Merge commit 'upstream/0.9.3'

36 files changed, 680 insertions, 1039 deletions

diff --git a/tests/unistdio/test-u16-asnprintf1.c b/tests/unistdio/test-u16-asnprintf1.c
index 53fedf3..3d4897c 100644
--- a/tests/unistdio/test-u16-asnprintf1.c
+++ b/tests/unistdio/test-u16-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_asnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u16-asnprintf1.h"
 
diff --git a/tests/unistdio/test-u16-asnprintf1.h b/tests/unistdio/test-u16-asnprintf1.h
index 34d4f82..9d557ba 100644
--- a/tests/unistdio/test-u16-asnprintf1.h
+++ b/tests/unistdio/test-u16-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of u16_[v]asnprintf() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -29,7 +29,7 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
       size_t length = size;
       uint16_t *result = my_asnprintf (NULL, &length, "%d", 12345);
       static const uint16_t expected[] =
-	{ '1', '2', '3', '4', '5', 0 };
+        { '1', '2', '3', '4', '5', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == 5);
@@ -39,9 +39,9 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
   for (size = 0; size <= 8; size++)
     {
       static const uint16_t initializer[] =
-	{ 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
+        { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
       static const uint16_t expected[] =
-	{ '1', '2', '3', '4', '5', 0 };
+        { '1', '2', '3', '4', '5', 0 };
       size_t length;
       uint16_t *result;
 
@@ -52,9 +52,9 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == 5);
       if (size < 6)
-	ASSERT (result != buf);
+        ASSERT (result != buf);
       ASSERT (u16_cmp (buf + size, initializer + size, 8 - size) == 0);
       if (result != buf)
-	free (result);
+        free (result);
     }
 }
diff --git a/tests/unistdio/test-u16-printf1.h b/tests/unistdio/test-u16-printf1.h
index 199ece9..1965ce9 100644
--- a/tests/unistdio/test-u16-printf1.h
+++ b/tests/unistdio/test-u16-printf1.h
@@ -1,5 +1,5 @@
 /* Test of u16_v[a]s[n]printf() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -67,36 +67,36 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Hello";
     {
       uint16_t *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint16_t *result =
-	my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint16_t *result =
-	my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint16_t *result =
-	my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
@@ -107,36 +107,36 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
     static const uint16_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       uint16_t *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint16_t *result =
-	my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint16_t *result =
-	my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint16_t *result =
-	my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
@@ -147,36 +147,36 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
     static const uint32_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       uint16_t *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint16_t *result =
-	my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint16_t *result =
-	my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint16_t *result =
-	my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
@@ -190,8 +190,8 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %s %d", "Ronald Reagan", 33, 44, 55);
     static const uint16_t expected[] =
       { 'M', 'r', '.', ' ', 'R', 'o', 'n', 'a', 'l', 'd',
-	' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', '3', '3',
-	0
+        ' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected) == 0);
@@ -203,8 +203,8 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %20s %d", "Ronald Reagan", 33, 44, 55);
     static const uint16_t expected[] =
       { 'M', 'r', '.', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
-	' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
-	'a', 'g', 'a', 'n', ' ', '3', '3', 0
+        ' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
+        'a', 'g', 'a', 'n', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected) == 0);
@@ -216,8 +216,8 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %-20s %d", "Ronald Reagan", 33, 44, 55);
     static const uint16_t expected[] =
       { 'M', 'r', '.', ' ', 'R', 'o', 'n', 'a', 'l', 'd',
-	' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', ' ', ' ',
-	' ', ' ', ' ', ' ', ' ', '3', '3', 0
+        ' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', ' ', ' ',
+        ' ', ' ', ' ', ' ', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected) == 0);
@@ -229,8 +229,8 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %020s %d", "Ronald Reagan", 33, 44, 55);
     static const uint16_t expected[] =
       { 'M', 'r', '.', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
-	' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
-	'a', 'g', 'a', 'n', ' ', '3', '3', 0
+        ' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
+        'a', 'g', 'a', 'n', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected) == 0);
@@ -253,9 +253,9 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       { '0', 'x', 'c', '.', '9', '1', 'p', '-', '2', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -272,9 +272,9 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       { ' ', ' ', ' ', ' ', '0', 'x', 'e', 'p', '-', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -283,29 +283,29 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.10a %d", 1.75, 33, 44, 55);
     static const uint16_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint16_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint16_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint16_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -314,45 +314,45 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.50a %d", 1.75, 33, 44, 55);
     static const uint16_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint16_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint16_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint16_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -361,25 +361,25 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%La %d", 3.1416015625L, 33, 44, 55);
     static const uint16_t expected1[] =
       { '0', 'x', '1', '.', '9', '2', '2', 'p', '+', '1',
-	' ', '3', '3', 0
+        ' ', '3', '3', 0
       };
     static const uint16_t expected2[] =
       { '0', 'x', '3', '.', '2', '4', '4', 'p', '+', '0',
-	' ', '3', '3', 0
+        ' ', '3', '3', 0
       };
     static const uint16_t expected3[] =
       { '0', 'x', '6', '.', '4', '8', '8', 'p', '-', '1',
-	' ', '3', '3', 0
+        ' ', '3', '3', 0
       };
     static const uint16_t expected4[] =
       { '0', 'x', 'c', '.', '9', '1', 'p', '-', '2', ' ',
-	'3', '3', 0
+        '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -396,9 +396,9 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       { ' ', ' ', ' ', ' ', '0', 'x', 'e', 'p', '-', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -407,29 +407,29 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.10La %d", 1.75L, 33, 44, 55);
     static const uint16_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint16_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint16_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint16_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -438,45 +438,45 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.50La %d", 1.75L, 33, 44, 55);
     static const uint16_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint16_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint16_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint16_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0
-	    || u16_strcmp (result, expected3) == 0
-	    || u16_strcmp (result, expected4) == 0);
+            || u16_strcmp (result, expected2) == 0
+            || u16_strcmp (result, expected3) == 0
+            || u16_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -591,15 +591,15 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%e %d", 12.75, 33, 44, 55);
     static const uint16_t expected1[] =
       { '1', '.', '2', '7', '5', '0', '0', '0', 'e', '+',
-	'0', '1', ' ', '3', '3', 0
+        '0', '1', ' ', '3', '3', 0
       };
     static const uint16_t expected2[] =
       { '1', '.', '2', '7', '5', '0', '0', '0', 'e', '+',
-	'0', '0', '1', ' ', '3', '3', 0
+        '0', '0', '1', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0);
+            || u16_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -608,15 +608,15 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%15e %d", 1.75, 33, 44, 55);
     static const uint16_t expected1[] =
       { ' ', ' ', ' ', '1', '.', '7', '5', '0', '0', '0',
-	'0', 'e', '+', '0', '0', ' ', '3', '3', 0
+        '0', 'e', '+', '0', '0', ' ', '3', '3', 0
       };
     static const uint16_t expected2[] =
       { ' ', ' ', '1', '.', '7', '5', '0', '0', '0', '0',
-	'e', '+', '0', '0', '0', ' ', '3', '3', 0
+        'e', '+', '0', '0', '0', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0);
+            || u16_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -629,7 +629,7 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       { '1', 'e', '+', '0', '0', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0);
+            || u16_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -638,7 +638,7 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%Le %d", 12.75L, 33, 44, 55);
     static const uint16_t expected[] =
       { '1', '.', '2', '7', '5', '0', '0', '0', 'e', '+',
-	'0', '1', ' ', '3', '3', 0
+        '0', '1', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected) == 0);
@@ -650,7 +650,7 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%15Le %d", 1.75L, 33, 44, 55);
     static const uint16_t expected[] =
       { ' ', ' ', ' ', '1', '.', '7', '5', '0', '0', '0',
-	'0', 'e', '+', '0', '0', ' ', '3', '3', 0
+        '0', 'e', '+', '0', '0', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected) == 0);
@@ -698,7 +698,7 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
       { '1', 'e', '+', '0', '0', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u16_strcmp (result, expected1) == 0
-	    || u16_strcmp (result, expected2) == 0);
+            || u16_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -774,47 +774,47 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Rafa\305\202 Maszkowski"; /* Rafał Maszkowski */
     {
       uint16_t *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint16_t *result =
-	my_xasprintf ("%20U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint16_t *result =
-	my_xasprintf ("%-20U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint16_t *result =
-	my_xasprintf ("%020U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020U %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
@@ -824,52 +824,52 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
   {
     static const uint16_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       uint16_t *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint16_t *result =
-	my_xasprintf ("%20lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint16_t *result =
-	my_xasprintf ("%-20lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint16_t *result =
-	my_xasprintf ("%020lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020lU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
@@ -879,52 +879,52 @@ test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...))
   {
     static const uint32_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       uint16_t *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint16_t *result =
-	my_xasprintf ("%20llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint16_t *result =
-	my_xasprintf ("%-20llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint16_t *result =
-	my_xasprintf ("%020llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020llU %d", unicode_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       free (result);
diff --git a/tests/unistdio/test-u16-vasnprintf1.c b/tests/unistdio/test-u16-vasnprintf1.c
index b236e3f..268b32c 100644
--- a/tests/unistdio/test-u16-vasnprintf1.c
+++ b/tests/unistdio/test-u16-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u16-asnprintf1.h"
 #include "test-u16-printf1.h"
diff --git a/tests/unistdio/test-u16-vasnprintf2.c b/tests/unistdio/test-u16-vasnprintf2.c
index 6f7b7cf..c43967c 100644
--- a/tests/unistdio/test-u16-vasnprintf2.c
+++ b/tests/unistdio/test-u16-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,25 +22,12 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, ...))
@@ -52,9 +39,9 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     {
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
@@ -63,11 +50,11 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     { /* Width.  */
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
@@ -76,11 +63,11 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     { /* FLAG_LEFT.  */
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
@@ -89,11 +76,11 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
diff --git a/tests/unistdio/test-u16-vasnprintf3.c b/tests/unistdio/test-u16-vasnprintf3.c
index 1402181..6e741c9 100644
--- a/tests/unistdio/test-u16-vasnprintf3.c
+++ b/tests/unistdio/test-u16-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,25 +22,12 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, ...))
@@ -52,9 +39,9 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     {
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
@@ -63,11 +50,11 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     { /* Width.  */
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
@@ -76,11 +63,11 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     { /* FLAG_LEFT.  */
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
@@ -89,11 +76,11 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       uint16_t *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       static const uint16_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u16_strcmp (result, expected) == 0);
       ASSERT (length == u16_strlen (result));
diff --git a/tests/unistdio/test-u16-vasprintf1.c b/tests/unistdio/test-u16-vasprintf1.c
index 8b96126..5b60248 100644
--- a/tests/unistdio/test-u16-vasprintf1.c
+++ b/tests/unistdio/test-u16-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u16-printf1.h"
 
diff --git a/tests/unistdio/test-u16-vsnprintf1.c b/tests/unistdio/test-u16-vsnprintf1.c
index 886e95b..5c2d86c 100644
--- a/tests/unistdio/test-u16-vsnprintf1.c
+++ b/tests/unistdio/test-u16-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vsnprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -31,19 +30,7 @@
 #include "unistr.h"
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u16-printf1.h"
 
diff --git a/tests/unistdio/test-u16-vsprintf1.c b/tests/unistdio/test-u16-vsprintf1.c
index e6b6eab..ad42e07 100644
--- a/tests/unistdio/test-u16-vsprintf1.c
+++ b/tests/unistdio/test-u16-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vsprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -31,19 +30,7 @@
 #include "unistr.h"
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u16-printf1.h"
 
diff --git a/tests/unistdio/test-u32-asnprintf1.c b/tests/unistdio/test-u32-asnprintf1.c
index 252e919..c17fcc6 100644
--- a/tests/unistdio/test-u32-asnprintf1.c
+++ b/tests/unistdio/test-u32-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_asnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u32-asnprintf1.h"
 
diff --git a/tests/unistdio/test-u32-asnprintf1.h b/tests/unistdio/test-u32-asnprintf1.h
index dfaed98..9f73116 100644
--- a/tests/unistdio/test-u32-asnprintf1.h
+++ b/tests/unistdio/test-u32-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of u32_[v]asnprintf() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -29,7 +29,7 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
       size_t length = size;
       uint32_t *result = my_asnprintf (NULL, &length, "%d", 12345);
       static const uint32_t expected[] =
-	{ '1', '2', '3', '4', '5', 0 };
+        { '1', '2', '3', '4', '5', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == 5);
@@ -39,9 +39,9 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
   for (size = 0; size <= 8; size++)
     {
       static const uint32_t initializer[] =
-	{ 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
+        { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
       static const uint32_t expected[] =
-	{ '1', '2', '3', '4', '5', 0 };
+        { '1', '2', '3', '4', '5', 0 };
       size_t length;
       uint32_t *result;
 
@@ -52,9 +52,9 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == 5);
       if (size < 6)
-	ASSERT (result != buf);
+        ASSERT (result != buf);
       ASSERT (u32_cmp (buf + size, initializer + size, 8 - size) == 0);
       if (result != buf)
-	free (result);
+        free (result);
     }
 }
diff --git a/tests/unistdio/test-u32-printf1.h b/tests/unistdio/test-u32-printf1.h
index 240232f..00b9a60 100644
--- a/tests/unistdio/test-u32-printf1.h
+++ b/tests/unistdio/test-u32-printf1.h
@@ -1,5 +1,5 @@
 /* Test of u32_v[a]s[n]printf() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -67,36 +67,36 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Hello";
     {
       uint32_t *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint32_t *result =
-	my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint32_t *result =
-	my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint32_t *result =
-	my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
@@ -107,36 +107,36 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
     static const uint16_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       uint32_t *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint32_t *result =
-	my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint32_t *result =
-	my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint32_t *result =
-	my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
@@ -147,36 +147,36 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
     static const uint32_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       uint32_t *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint32_t *result =
-	my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint32_t *result =
-	my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
+        { 'H', 'e', 'l', 'l', 'o', ' ', ' ', ' ', ' ', ' ', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint32_t *result =
-	my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
+        { ' ', ' ', ' ', ' ', ' ', 'H', 'e', 'l', 'l', 'o', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
@@ -190,8 +190,8 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %s %d", "Ronald Reagan", 33, 44, 55);
     static const uint32_t expected[] =
       { 'M', 'r', '.', ' ', 'R', 'o', 'n', 'a', 'l', 'd',
-	' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', '3', '3',
-	0
+        ' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected) == 0);
@@ -203,8 +203,8 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %20s %d", "Ronald Reagan", 33, 44, 55);
     static const uint32_t expected[] =
       { 'M', 'r', '.', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
-	' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
-	'a', 'g', 'a', 'n', ' ', '3', '3', 0
+        ' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
+        'a', 'g', 'a', 'n', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected) == 0);
@@ -216,8 +216,8 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %-20s %d", "Ronald Reagan", 33, 44, 55);
     static const uint32_t expected[] =
       { 'M', 'r', '.', ' ', 'R', 'o', 'n', 'a', 'l', 'd',
-	' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', ' ', ' ',
-	' ', ' ', ' ', ' ', ' ', '3', '3', 0
+        ' ', 'R', 'e', 'a', 'g', 'a', 'n', ' ', ' ', ' ',
+        ' ', ' ', ' ', ' ', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected) == 0);
@@ -229,8 +229,8 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("Mr. %020s %d", "Ronald Reagan", 33, 44, 55);
     static const uint32_t expected[] =
       { 'M', 'r', '.', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
-	' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
-	'a', 'g', 'a', 'n', ' ', '3', '3', 0
+        ' ', 'R', 'o', 'n', 'a', 'l', 'd', ' ', 'R', 'e',
+        'a', 'g', 'a', 'n', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected) == 0);
@@ -253,9 +253,9 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       { '0', 'x', 'c', '.', '9', '1', 'p', '-', '2', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -272,9 +272,9 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       { ' ', ' ', ' ', ' ', '0', 'x', 'e', 'p', '-', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -283,29 +283,29 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.10a %d", 1.75, 33, 44, 55);
     static const uint32_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint32_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint32_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint32_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -314,45 +314,45 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.50a %d", 1.75, 33, 44, 55);
     static const uint32_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint32_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint32_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint32_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -361,25 +361,25 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%La %d", 3.1416015625L, 33, 44, 55);
     static const uint32_t expected1[] =
       { '0', 'x', '1', '.', '9', '2', '2', 'p', '+', '1',
-	' ', '3', '3', 0
+        ' ', '3', '3', 0
       };
     static const uint32_t expected2[] =
       { '0', 'x', '3', '.', '2', '4', '4', 'p', '+', '0',
-	' ', '3', '3', 0
+        ' ', '3', '3', 0
       };
     static const uint32_t expected3[] =
       { '0', 'x', '6', '.', '4', '8', '8', 'p', '-', '1',
-	' ', '3', '3', 0
+        ' ', '3', '3', 0
       };
     static const uint32_t expected4[] =
       { '0', 'x', 'c', '.', '9', '1', 'p', '-', '2', ' ',
-	'3', '3', 0
+        '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -396,9 +396,9 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       { ' ', ' ', ' ', ' ', '0', 'x', 'e', 'p', '-', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -407,29 +407,29 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.10La %d", 1.75L, 33, 44, 55);
     static const uint32_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint32_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint32_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint32_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -438,45 +438,45 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.50La %d", 1.75L, 33, 44, 55);
     static const uint32_t expected1[] =
       { '0', 'x', '1', '.', 'c', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '+', '0', ' ', '3', '3',
+        0
       };
     static const uint32_t expected2[] =
       { '0', 'x', '3', '.', '8', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '1', ' ', '3', '3',
+        0
       };
     static const uint32_t expected3[] =
       { '0', 'x', '7', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '2', ' ', '3', '3',
+        0
       };
     static const uint32_t expected4[] =
       { '0', 'x', 'e', '.', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
-	'0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
-	0
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+        '0', '0', '0', '0', 'p', '-', '3', ' ', '3', '3',
+        0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0
-	    || u32_strcmp (result, expected3) == 0
-	    || u32_strcmp (result, expected4) == 0);
+            || u32_strcmp (result, expected2) == 0
+            || u32_strcmp (result, expected3) == 0
+            || u32_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -591,15 +591,15 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%e %d", 12.75, 33, 44, 55);
     static const uint32_t expected1[] =
       { '1', '.', '2', '7', '5', '0', '0', '0', 'e', '+',
-	'0', '1', ' ', '3', '3', 0
+        '0', '1', ' ', '3', '3', 0
       };
     static const uint32_t expected2[] =
       { '1', '.', '2', '7', '5', '0', '0', '0', 'e', '+',
-	'0', '0', '1', ' ', '3', '3', 0
+        '0', '0', '1', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0);
+            || u32_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -608,15 +608,15 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%15e %d", 1.75, 33, 44, 55);
     static const uint32_t expected1[] =
       { ' ', ' ', ' ', '1', '.', '7', '5', '0', '0', '0',
-	'0', 'e', '+', '0', '0', ' ', '3', '3', 0
+        '0', 'e', '+', '0', '0', ' ', '3', '3', 0
       };
     static const uint32_t expected2[] =
       { ' ', ' ', '1', '.', '7', '5', '0', '0', '0', '0',
-	'e', '+', '0', '0', '0', ' ', '3', '3', 0
+        'e', '+', '0', '0', '0', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0);
+            || u32_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -629,7 +629,7 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       { '1', 'e', '+', '0', '0', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0);
+            || u32_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -638,7 +638,7 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%Le %d", 12.75L, 33, 44, 55);
     static const uint32_t expected[] =
       { '1', '.', '2', '7', '5', '0', '0', '0', 'e', '+',
-	'0', '1', ' ', '3', '3', 0
+        '0', '1', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected) == 0);
@@ -650,7 +650,7 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%15Le %d", 1.75L, 33, 44, 55);
     static const uint32_t expected[] =
       { ' ', ' ', ' ', '1', '.', '7', '5', '0', '0', '0',
-	'0', 'e', '+', '0', '0', ' ', '3', '3', 0
+        '0', 'e', '+', '0', '0', ' ', '3', '3', 0
       };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected) == 0);
@@ -698,7 +698,7 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
       { '1', 'e', '+', '0', '0', '3', ' ', '3', '3', 0 };
     ASSERT (result != NULL);
     ASSERT (u32_strcmp (result, expected1) == 0
-	    || u32_strcmp (result, expected2) == 0);
+            || u32_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -774,47 +774,47 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Rafa\305\202 Maszkowski"; /* Rafał Maszkowski */
     {
       uint32_t *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint32_t *result =
-	my_xasprintf ("%20U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint32_t *result =
-	my_xasprintf ("%-20U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint32_t *result =
-	my_xasprintf ("%020U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020U %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
@@ -824,52 +824,52 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
   {
     static const uint16_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       uint32_t *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint32_t *result =
-	my_xasprintf ("%20lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint32_t *result =
-	my_xasprintf ("%-20lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint32_t *result =
-	my_xasprintf ("%020lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020lU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
@@ -879,52 +879,52 @@ test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...))
   {
     static const uint32_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       uint32_t *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* Width.  */
       uint32_t *result =
-	my_xasprintf ("%20llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       uint32_t *result =
-	my_xasprintf ("%-20llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
-	  'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z',
+          'k', 'o', 'w', 's', 'k', 'i', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       uint32_t *result =
-	my_xasprintf ("%020llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020llU %d", unicode_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
-	  'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', 'R', 'a', 'f', 'a', 0x0142, ' ',
+          'M', 'a', 's', 'z', 'k', 'o', 'w', 's', 'k', 'i',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       free (result);
diff --git a/tests/unistdio/test-u32-vasnprintf1.c b/tests/unistdio/test-u32-vasnprintf1.c
index 959bdab..d2aa879 100644
--- a/tests/unistdio/test-u32-vasnprintf1.c
+++ b/tests/unistdio/test-u32-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u32-asnprintf1.h"
 #include "test-u32-printf1.h"
diff --git a/tests/unistdio/test-u32-vasnprintf2.c b/tests/unistdio/test-u32-vasnprintf2.c
index 9d8ab00..c418e0a 100644
--- a/tests/unistdio/test-u32-vasnprintf2.c
+++ b/tests/unistdio/test-u32-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,25 +22,12 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, ...))
@@ -52,9 +39,9 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     {
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
@@ -63,11 +50,11 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     { /* Width.  */
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
@@ -76,11 +63,11 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     { /* FLAG_LEFT.  */
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
@@ -89,11 +76,11 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
diff --git a/tests/unistdio/test-u32-vasnprintf3.c b/tests/unistdio/test-u32-vasnprintf3.c
index 73f7c6c..f4b92d7 100644
--- a/tests/unistdio/test-u32-vasnprintf3.c
+++ b/tests/unistdio/test-u32-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,25 +22,12 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, ...))
@@ -52,9 +39,9 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     {
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', '3', '3', 0 };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
@@ -63,11 +50,11 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     { /* Width.  */
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
@@ -76,11 +63,11 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     { /* FLAG_LEFT.  */
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
-	  ' ', '3', '3', 0
-	};
+        { 0x00c4, 'r', 'g', 'e', 'r', ' ', ' ', ' ', ' ', ' ',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
@@ -89,11 +76,11 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       uint32_t *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       static const uint32_t expected[] =
-	{ ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
-	  ' ', '3', '3', 0
-	};
+        { ' ', ' ', ' ', ' ', ' ', 0x00c4, 'r', 'g', 'e', 'r',
+          ' ', '3', '3', 0
+        };
       ASSERT (result != NULL);
       ASSERT (u32_strcmp (result, expected) == 0);
       ASSERT (length == u32_strlen (result));
diff --git a/tests/unistdio/test-u32-vasprintf1.c b/tests/unistdio/test-u32-vasprintf1.c
index 39e68d2..41c3057 100644
--- a/tests/unistdio/test-u32-vasprintf1.c
+++ b/tests/unistdio/test-u32-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u32-printf1.h"
 
diff --git a/tests/unistdio/test-u32-vsnprintf1.c b/tests/unistdio/test-u32-vsnprintf1.c
index d772708..53317cf 100644
--- a/tests/unistdio/test-u32-vsnprintf1.c
+++ b/tests/unistdio/test-u32-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vsnprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -31,19 +30,7 @@
 #include "unistr.h"
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u32-printf1.h"
 
diff --git a/tests/unistdio/test-u32-vsprintf1.c b/tests/unistdio/test-u32-vsprintf1.c
index 8398b27..c9512e8 100644
--- a/tests/unistdio/test-u32-vsprintf1.c
+++ b/tests/unistdio/test-u32-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vsprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -31,19 +30,7 @@
 #include "unistr.h"
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u32-printf1.h"
 
diff --git a/tests/unistdio/test-u8-asnprintf1.c b/tests/unistdio/test-u8-asnprintf1.c
index 852d76b..983cddf 100644
--- a/tests/unistdio/test-u8-asnprintf1.c
+++ b/tests/unistdio/test-u8-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_asnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u8-asnprintf1.h"
 
diff --git a/tests/unistdio/test-u8-asnprintf1.h b/tests/unistdio/test-u8-asnprintf1.h
index 063f145..d4df3a3 100644
--- a/tests/unistdio/test-u8-asnprintf1.h
+++ b/tests/unistdio/test-u8-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of u8_[v]asnprintf() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -49,9 +49,9 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
       ASSERT (u8_strcmp (result, expected) == 0);
       ASSERT (length == 5);
       if (size < 6)
-	ASSERT (result != buf);
+        ASSERT (result != buf);
       ASSERT (u8_cmp (buf + size, initializer + size, 8 - size) == 0);
       if (result != buf)
-	free (result);
+        free (result);
     }
 }
diff --git a/tests/unistdio/test-u8-printf1.h b/tests/unistdio/test-u8-printf1.h
index 4ac6573..23dc5a6 100644
--- a/tests/unistdio/test-u8-printf1.h
+++ b/tests/unistdio/test-u8-printf1.h
@@ -1,5 +1,5 @@
 /* Test of u8_v[a]s[n]printf() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -63,7 +63,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Hello";
     {
       uint8_t *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -71,7 +71,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* Width.  */
       uint8_t *result =
-	my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "     Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -79,7 +79,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_LEFT.  */
       uint8_t *result =
-	my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Hello      33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -87,7 +87,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_ZERO: no effect.  */
       uint8_t *result =
-	my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "     Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -99,7 +99,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint16_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       uint8_t *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -107,7 +107,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* Width.  */
       uint8_t *result =
-	my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "     Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -115,7 +115,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_LEFT.  */
       uint8_t *result =
-	my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Hello      33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -123,7 +123,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_ZERO: no effect.  */
       uint8_t *result =
-	my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "     Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -135,7 +135,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint32_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       uint8_t *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -143,7 +143,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* Width.  */
       uint8_t *result =
-	my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "     Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -151,7 +151,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_LEFT.  */
       uint8_t *result =
-	my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Hello      33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -159,7 +159,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_ZERO: no effect.  */
       uint8_t *result =
-	my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "     Hello 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -217,9 +217,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "0xc.91p-2 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -232,9 +232,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "    0xep-3 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -247,9 +247,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "0xe.0000000000p-3 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -262,9 +262,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "0xe.00000000000000000000000000000000000000000000000000p-3 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -277,9 +277,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "0xc.91p-2 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -292,9 +292,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "    0xep-3 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -307,9 +307,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "0xe.0000000000p-3 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -322,9 +322,9 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected4[] = "0xe.00000000000000000000000000000000000000000000000000p-3 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0
-	    || u8_strcmp (result, expected3) == 0
-	    || u8_strcmp (result, expected4) == 0);
+            || u8_strcmp (result, expected2) == 0
+            || u8_strcmp (result, expected3) == 0
+            || u8_strcmp (result, expected4) == 0);
     free (result);
   }
 
@@ -431,7 +431,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected2[] = "1.275000e+001 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0);
+            || u8_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -442,7 +442,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected2[] = "  1.750000e+000 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0);
+            || u8_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -453,7 +453,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected2[] = "1e+003 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0);
+            || u8_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -511,7 +511,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t expected2[] = "1e+003 33";
     ASSERT (result != NULL);
     ASSERT (u8_strcmp (result, expected1) == 0
-	    || u8_strcmp (result, expected2) == 0);
+            || u8_strcmp (result, expected2) == 0);
     free (result);
   }
 
@@ -582,7 +582,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Rafa\305\202 Maszkowski"; /* Rafał Maszkowski */
     {
       uint8_t *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -590,7 +590,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* Width.  */
       uint8_t *result =
-	my_xasprintf ("%20U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "    Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -598,7 +598,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_LEFT.  */
       uint8_t *result =
-	my_xasprintf ("%-20U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Rafa\305\202 Maszkowski     33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -606,7 +606,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_ZERO: no effect.  */
       uint8_t *result =
-	my_xasprintf ("%020U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020U %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "    Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -617,12 +617,12 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
   {
     static const uint16_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       uint8_t *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -630,7 +630,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* Width.  */
       uint8_t *result =
-	my_xasprintf ("%20lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "    Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -638,7 +638,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_LEFT.  */
       uint8_t *result =
-	my_xasprintf ("%-20lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Rafa\305\202 Maszkowski     33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -646,7 +646,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_ZERO: no effect.  */
       uint8_t *result =
-	my_xasprintf ("%020lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020lU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "    Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -657,12 +657,12 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
   {
     static const uint32_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       uint8_t *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -670,7 +670,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* Width.  */
       uint8_t *result =
-	my_xasprintf ("%20llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%20llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "    Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -678,7 +678,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_LEFT.  */
       uint8_t *result =
-	my_xasprintf ("%-20llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-20llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "Rafa\305\202 Maszkowski     33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -686,7 +686,7 @@ test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...))
     }
     { /* FLAG_ZERO: no effect.  */
       uint8_t *result =
-	my_xasprintf ("%020llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%020llU %d", unicode_string, 33, 44, 55);
       static const uint8_t expected[] = "    Rafa\305\202 Maszkowski 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
diff --git a/tests/unistdio/test-u8-vasnprintf1.c b/tests/unistdio/test-u8-vasnprintf1.c
index 3329df4..03c73a0 100644
--- a/tests/unistdio/test-u8-vasnprintf1.c
+++ b/tests/unistdio/test-u8-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u8-asnprintf1.h"
 #include "test-u8-printf1.h"
diff --git a/tests/unistdio/test-u8-vasnprintf2.c b/tests/unistdio/test-u8-vasnprintf2.c
index 4283be6..d801ee6 100644
--- a/tests/unistdio/test-u8-vasnprintf2.c
+++ b/tests/unistdio/test-u8-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,25 +22,12 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...))
@@ -52,7 +39,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     {
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "\303\204rger 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -62,7 +49,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     { /* Width.  */
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "     \303\204rger 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -72,7 +59,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     { /* FLAG_LEFT.  */
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "\303\204rger      33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -82,7 +69,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "     \303\204rger 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
diff --git a/tests/unistdio/test-u8-vasnprintf3.c b/tests/unistdio/test-u8-vasnprintf3.c
index fc645bc..752c4c5 100644
--- a/tests/unistdio/test-u8-vasnprintf3.c
+++ b/tests/unistdio/test-u8-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,25 +22,12 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...))
@@ -52,7 +39,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     {
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "\303\204rger 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -62,7 +49,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     { /* Width.  */
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "     \303\204rger 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -72,7 +59,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     { /* FLAG_LEFT.  */
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "\303\204rger      33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
@@ -82,7 +69,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       uint8_t *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       static const uint8_t expected[] = "     \303\204rger 33";
       ASSERT (result != NULL);
       ASSERT (u8_strcmp (result, expected) == 0);
diff --git a/tests/unistdio/test-u8-vasprintf1.c b/tests/unistdio/test-u8-vasprintf1.c
index 8a2caae..4076db5 100644
--- a/tests/unistdio/test-u8-vasprintf1.c
+++ b/tests/unistdio/test-u8-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,25 +23,12 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "unistr.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u8-printf1.h"
 
diff --git a/tests/unistdio/test-u8-vsnprintf1.c b/tests/unistdio/test-u8-vsnprintf1.c
index 6dd7439..1ae5876 100644
--- a/tests/unistdio/test-u8-vsnprintf1.c
+++ b/tests/unistdio/test-u8-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vsnprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -31,19 +30,7 @@
 #include "unistr.h"
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u8-printf1.h"
 
diff --git a/tests/unistdio/test-u8-vsprintf1.c b/tests/unistdio/test-u8-vsprintf1.c
index 9559df0..3e13fec 100644
--- a/tests/unistdio/test-u8-vsprintf1.c
+++ b/tests/unistdio/test-u8-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vsprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -31,19 +30,7 @@
 #include "unistr.h"
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-u8-printf1.h"
 
diff --git a/tests/unistdio/test-ulc-asnprintf1.c b/tests/unistdio/test-ulc-asnprintf1.c
index 591ae26..b9bd2ef 100644
--- a/tests/unistdio/test-ulc-asnprintf1.c
+++ b/tests/unistdio/test-ulc-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_asnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,23 +22,11 @@
 
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-ulc-asnprintf1.h"
 
diff --git a/tests/unistdio/test-ulc-asnprintf1.h b/tests/unistdio/test-ulc-asnprintf1.h
index 285a406..eb68248 100644
--- a/tests/unistdio/test-ulc-asnprintf1.h
+++ b/tests/unistdio/test-ulc-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of ulc_[v]asnprintf() functions.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -46,9 +46,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
       ASSERT (strcmp (result, "12345") == 0);
       ASSERT (length == 5);
       if (size < 6)
-	ASSERT (result != buf);
+        ASSERT (result != buf);
       ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
       if (result != buf)
-	free (result);
+        free (result);
     }
 }
diff --git a/tests/unistdio/test-ulc-printf1.h b/tests/unistdio/test-ulc-printf1.h
index 77516d6..12149a4 100644
--- a/tests/unistdio/test-ulc-printf1.h
+++ b/tests/unistdio/test-ulc-printf1.h
@@ -1,5 +1,5 @@
 /* Test of ulc_v[a]s[n]printf() functions.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -59,28 +59,28 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
     static const uint8_t unicode_string[] = "Hello";
     {
       char *result =
-	my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Hello 33") == 0);
       free (result);
     }
     { /* Width.  */
       char *result =
-	my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     Hello 33") == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       char *result =
-	my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Hello      33") == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       char *result =
-	my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     Hello 33") == 0);
       free (result);
@@ -91,28 +91,28 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
     static const uint16_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       char *result =
-	my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Hello 33") == 0);
       free (result);
     }
     { /* Width.  */
       char *result =
-	my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     Hello 33") == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       char *result =
-	my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Hello      33") == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       char *result =
-	my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     Hello 33") == 0);
       free (result);
@@ -123,28 +123,28 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
     static const uint32_t unicode_string[] = { 'H', 'e', 'l', 'l', 'o', 0 };
     {
       char *result =
-	my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Hello 33") == 0);
       free (result);
     }
     { /* Width.  */
       char *result =
-	my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%10llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     Hello 33") == 0);
       free (result);
     }
     { /* FLAG_LEFT.  */
       char *result =
-	my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%-10llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Hello      33") == 0);
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       char *result =
-	my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
+        my_xasprintf ("%010llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     Hello 33") == 0);
       free (result);
@@ -193,9 +193,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%a %d", 3.1416015625, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "0x1.922p+1 33") == 0
-	    || strcmp (result, "0x3.244p+0 33") == 0
-	    || strcmp (result, "0x6.488p-1 33") == 0
-	    || strcmp (result, "0xc.91p-2 33") == 0);
+            || strcmp (result, "0x3.244p+0 33") == 0
+            || strcmp (result, "0x6.488p-1 33") == 0
+            || strcmp (result, "0xc.91p-2 33") == 0);
     free (result);
   }
 
@@ -204,9 +204,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%10a %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "  0x1.cp+0 33") == 0
-	    || strcmp (result, "  0x3.8p-1 33") == 0
-	    || strcmp (result, "    0x7p-2 33") == 0
-	    || strcmp (result, "    0xep-3 33") == 0);
+            || strcmp (result, "  0x3.8p-1 33") == 0
+            || strcmp (result, "    0x7p-2 33") == 0
+            || strcmp (result, "    0xep-3 33") == 0);
     free (result);
   }
 
@@ -215,9 +215,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.10a %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
-	    || strcmp (result, "0x3.8000000000p-1 33") == 0
-	    || strcmp (result, "0x7.0000000000p-2 33") == 0
-	    || strcmp (result, "0xe.0000000000p-3 33") == 0);
+            || strcmp (result, "0x3.8000000000p-1 33") == 0
+            || strcmp (result, "0x7.0000000000p-2 33") == 0
+            || strcmp (result, "0xe.0000000000p-3 33") == 0);
     free (result);
   }
 
@@ -226,9 +226,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.50a %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
-	    || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
-	    || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
-	    || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
+            || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
+            || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
+            || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
     free (result);
   }
 
@@ -237,9 +237,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%La %d", 3.1416015625L, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "0x1.922p+1 33") == 0
-	    || strcmp (result, "0x3.244p+0 33") == 0
-	    || strcmp (result, "0x6.488p-1 33") == 0
-	    || strcmp (result, "0xc.91p-2 33") == 0);
+            || strcmp (result, "0x3.244p+0 33") == 0
+            || strcmp (result, "0x6.488p-1 33") == 0
+            || strcmp (result, "0xc.91p-2 33") == 0);
     free (result);
   }
 
@@ -248,9 +248,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%10La %d", 1.75L, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "  0x1.cp+0 33") == 0
-	    || strcmp (result, "  0x3.8p-1 33") == 0
-	    || strcmp (result, "    0x7p-2 33") == 0
-	    || strcmp (result, "    0xep-3 33") == 0);
+            || strcmp (result, "  0x3.8p-1 33") == 0
+            || strcmp (result, "    0x7p-2 33") == 0
+            || strcmp (result, "    0xep-3 33") == 0);
     free (result);
   }
 
@@ -259,9 +259,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.10La %d", 1.75L, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
-	    || strcmp (result, "0x3.8000000000p-1 33") == 0
-	    || strcmp (result, "0x7.0000000000p-2 33") == 0
-	    || strcmp (result, "0xe.0000000000p-3 33") == 0);
+            || strcmp (result, "0x3.8000000000p-1 33") == 0
+            || strcmp (result, "0x7.0000000000p-2 33") == 0
+            || strcmp (result, "0xe.0000000000p-3 33") == 0);
     free (result);
   }
 
@@ -270,9 +270,9 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.50La %d", 1.75L, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
-	    || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
-	    || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
-	    || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
+            || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
+            || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
+            || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
     free (result);
   }
 
@@ -367,7 +367,7 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%e %d", 12.75, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "1.275000e+01 33") == 0
-	    || strcmp (result, "1.275000e+001 33") == 0);
+            || strcmp (result, "1.275000e+001 33") == 0);
     free (result);
   }
 
@@ -376,7 +376,7 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%15e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "   1.750000e+00 33") == 0
-	    || strcmp (result, "  1.750000e+000 33") == 0);
+            || strcmp (result, "  1.750000e+000 33") == 0);
     free (result);
   }
 
@@ -385,7 +385,7 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.e %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "1e+03 33") == 0
-	    || strcmp (result, "1e+003 33") == 0);
+            || strcmp (result, "1e+003 33") == 0);
     free (result);
   }
 
@@ -436,7 +436,7 @@ test_xfunction (char * (*my_xasprintf) (const char *, ...))
       my_xasprintf ("%.g %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "1e+03 33") == 0
-	    || strcmp (result, "1e+003 33") == 0);
+            || strcmp (result, "1e+003 33") == 0);
     free (result);
   }
 
diff --git a/tests/unistdio/test-ulc-vasnprintf1.c b/tests/unistdio/test-ulc-vasnprintf1.c
index e2f8be6..fa4a2c9 100644
--- a/tests/unistdio/test-ulc-vasnprintf1.c
+++ b/tests/unistdio/test-ulc-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasnprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,23 +22,11 @@
 
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-ulc-asnprintf1.h"
 #include "test-ulc-printf1.h"
diff --git a/tests/unistdio/test-ulc-vasnprintf2.c b/tests/unistdio/test-ulc-vasnprintf2.c
index 9022975..d61c1cf 100644
--- a/tests/unistdio/test-ulc-vasnprintf2.c
+++ b/tests/unistdio/test-ulc-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,23 +22,11 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
@@ -50,40 +38,40 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "Rafal Maszkowski 33") == 0);
+              || strcmp (result, "Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%20U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%20U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "    Rafal Maszkowski 33") == 0);
+              || strcmp (result, "    Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-20U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-20U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa? Maszkowski     33") == 0
-	      || strcmp (result, "Rafal Maszkowski     33") == 0);
+              || strcmp (result, "Rafal Maszkowski     33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%020U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%020U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "    Rafal Maszkowski 33") == 0);
+              || strcmp (result, "    Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
@@ -92,46 +80,46 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   {
     static const uint16_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "Rafal Maszkowski 33") == 0);
+              || strcmp (result, "Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%20lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%20lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "    Rafal Maszkowski 33") == 0);
+              || strcmp (result, "    Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-20lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-20lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa? Maszkowski     33") == 0
-	      || strcmp (result, "Rafal Maszkowski     33") == 0);
+              || strcmp (result, "Rafal Maszkowski     33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%020lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%020lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "    Rafal Maszkowski 33") == 0);
+              || strcmp (result, "    Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
@@ -140,46 +128,46 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   {
     static const uint32_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "Rafal Maszkowski 33") == 0);
+              || strcmp (result, "Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%20llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%20llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "    Rafal Maszkowski 33") == 0);
+              || strcmp (result, "    Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-20llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-20llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa? Maszkowski     33") == 0
-	      || strcmp (result, "Rafal Maszkowski     33") == 0);
+              || strcmp (result, "Rafal Maszkowski     33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%020llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%020llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa? Maszkowski 33") == 0
-	      || strcmp (result, "    Rafal Maszkowski 33") == 0);
+              || strcmp (result, "    Rafal Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
       free (result);
     }
@@ -192,7 +180,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "\304rger 33") == 0);
       ASSERT (length == strlen (result));
@@ -201,7 +189,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     \304rger 33") == 0);
       ASSERT (length == strlen (result));
@@ -210,7 +198,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "\304rger      33") == 0);
       ASSERT (length == strlen (result));
@@ -219,7 +207,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     \304rger 33") == 0);
       ASSERT (length == strlen (result));
diff --git a/tests/unistdio/test-ulc-vasnprintf3.c b/tests/unistdio/test-ulc-vasnprintf3.c
index 1fbd925..5a3cd0d 100644
--- a/tests/unistdio/test-ulc-vasnprintf3.c
+++ b/tests/unistdio/test-ulc-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,23 +22,11 @@
 
 #include <locale.h>
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static void
 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
@@ -50,7 +38,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -59,7 +47,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%20U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%20U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -68,7 +56,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-20U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-20U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa\305\202 Maszkowski     33") == 0);
       ASSERT (length == strlen (result));
@@ -77,7 +65,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%020U %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%020U %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -88,13 +76,13 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   {
     static const uint16_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -103,7 +91,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%20lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%20lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -112,7 +100,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-20lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-20lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa\305\202 Maszkowski     33") == 0);
       ASSERT (length == strlen (result));
@@ -121,7 +109,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%020lU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%020lU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -132,13 +120,13 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   {
     static const uint32_t unicode_string[] = /* Rafał Maszkowski */
       {
-	'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
-	's', 'k', 'i', 0
+        'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
+        's', 'k', 'i', 0
       };
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -147,7 +135,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%20llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%20llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -156,7 +144,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-20llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-20llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "Rafa\305\202 Maszkowski     33") == 0);
       ASSERT (length == strlen (result));
@@ -165,7 +153,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%020llU %d", unicode_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%020llU %d", unicode_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "    Rafa\305\202 Maszkowski 33") == 0);
       ASSERT (length == strlen (result));
@@ -180,7 +168,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     {
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "\303\204rger 33") == 0);
       ASSERT (length == strlen (result));
@@ -189,7 +177,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* Width.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     \303\204rger 33") == 0);
       ASSERT (length == strlen (result));
@@ -198,7 +186,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_LEFT.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "\303\204rger      33") == 0);
       ASSERT (length == strlen (result));
@@ -207,7 +195,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     { /* FLAG_ZERO: no effect.  */
       size_t length;
       char *result =
-	my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
+        my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "     \303\204rger 33") == 0);
       ASSERT (length == strlen (result));
diff --git a/tests/unistdio/test-ulc-vasprintf1.c b/tests/unistdio/test-ulc-vasprintf1.c
index d8ed67c..0db01c9 100644
--- a/tests/unistdio/test-ulc-vasprintf1.c
+++ b/tests/unistdio/test-ulc-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasprintf() function.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,23 +22,11 @@
 
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-ulc-printf1.h"
 
diff --git a/tests/unistdio/test-ulc-vsnprintf1.c b/tests/unistdio/test-ulc-vsnprintf1.c
index 7701c21..7b6de1c 100644
--- a/tests/unistdio/test-ulc-vsnprintf1.c
+++ b/tests/unistdio/test-ulc-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vsnprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,26 +22,13 @@
 
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-ulc-printf1.h"
 
diff --git a/tests/unistdio/test-ulc-vsprintf1.c b/tests/unistdio/test-ulc-vsprintf1.c
index 76b85b2..51ea024 100644
--- a/tests/unistdio/test-ulc-vsprintf1.c
+++ b/tests/unistdio/test-ulc-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vsprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,26 +22,13 @@
 
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "xalloc.h"
 #include "progname.h"
-
-#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 #include "test-ulc-printf1.h"