Imported Debian patch 0.9.6+really0.9.3-0.1debian/0.9.6+really0.9.3-0.1

1 files changed, 47 insertions, 278 deletions

diff --git a/gnulib-m4/mbrtowc.m4 b/gnulib-m4/mbrtowc.m4
index c0d751d..606de5c 100644
--- a/gnulib-m4/mbrtowc.m4
+++ b/gnulib-m4/mbrtowc.m4
@@ -1,5 +1,5 @@
-# mbrtowc.m4 serial 26
-dnl Copyright (C) 2001-2002, 2004-2005, 2008-2015 Free Software Foundation,
+# mbrtowc.m4 serial 17
+dnl Copyright (C) 2001-2002, 2004-2005, 2008-2010 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -15,41 +15,16 @@ AC_DEFUN([gl_FUNC_MBRTOWC],
   AC_CHECK_FUNCS_ONCE([mbrtowc])
   if test $ac_cv_func_mbrtowc = no; then
     HAVE_MBRTOWC=0
-    AC_CHECK_DECLS([mbrtowc],,, [[
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-]])
-    if test $ac_cv_have_decl_mbrtowc = yes; then
-      dnl On Minix 3.1.8, the system's <wchar.h> declares mbrtowc() although
-      dnl it does not have the function. Avoid a collision with gnulib's
-      dnl replacement.
-      REPLACE_MBRTOWC=1
-    fi
   else
     if test $REPLACE_MBSTATE_T = 1; then
       REPLACE_MBRTOWC=1
     else
-      gl_MBRTOWC_NULL_ARG1
-      gl_MBRTOWC_NULL_ARG2
+      gl_MBRTOWC_NULL_ARG
       gl_MBRTOWC_RETVAL
       gl_MBRTOWC_NUL_RETVAL
-      gl_MBRTOWC_EMPTY_INPUT
-      case "$gl_cv_func_mbrtowc_null_arg1" in
-        *yes) ;;
-        *) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1],
-             [Define if the mbrtowc function has the NULL pwc argument bug.])
-           REPLACE_MBRTOWC=1
-           ;;
-      esac
-      case "$gl_cv_func_mbrtowc_null_arg2" in
+      case "$gl_cv_func_mbrtowc_null_arg" in
         *yes) ;;
-        *) AC_DEFINE([MBRTOWC_NULL_ARG2_BUG], [1],
+        *) AC_DEFINE([MBRTOWC_NULL_ARG_BUG], [1],
              [Define if the mbrtowc function has the NULL string argument bug.])
            REPLACE_MBRTOWC=1
            ;;
@@ -68,16 +43,13 @@ AC_DEFUN([gl_FUNC_MBRTOWC],
            REPLACE_MBRTOWC=1
            ;;
       esac
-      case "$gl_cv_func_mbrtowc_empty_input" in
-        *yes) ;;
-        *) AC_DEFINE([MBRTOWC_EMPTY_INPUT_BUG], [1],
-             [Define if the mbrtowc function does not return (size_t) -2
-              for empty input.])
-           REPLACE_MBRTOWC=1
-           ;;
-      esac
     fi
   fi
+  if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then
+    gl_REPLACE_WCHAR_H
+    AC_LIBOBJ([mbrtowc])
+    gl_PREREQ_MBRTOWC
+  fi
 ])
 
 dnl Test whether mbsinit() and mbrtowc() need to be overridden in a way that
@@ -108,6 +80,9 @@ AC_DEFUN([gl_MBSTATE_T_BROKEN],
   else
     REPLACE_MBSTATE_T=1
   fi
+  if test $REPLACE_MBSTATE_T = 1; then
+    gl_REPLACE_WCHAR_H
+  fi
 ])
 
 dnl Test whether mbrtowc puts the state into non-initial state when parsing an
@@ -126,24 +101,16 @@ AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE],
       dnl is present.
 changequote(,)dnl
       case "$host_os" in
-                     # Guess no on AIX and OSF/1.
-        aix* | osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;;
-                     # Guess yes otherwise.
-        *)           gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;;
+              # Guess no on AIX and OSF/1.
+        osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;;
+              # Guess yes otherwise.
+        *)    gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;;
       esac
 changequote([,])dnl
       if test $LOCALE_JA != none; then
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
+        AC_TRY_RUN([
 #include <locale.h>
 #include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 #include <wchar.h>
 int main ()
 {
@@ -159,7 +126,7 @@ int main ()
           return 1;
     }
   return 0;
-}]])],
+}],
           [gl_cv_func_mbrtowc_incomplete_state=yes],
           [gl_cv_func_mbrtowc_incomplete_state=no],
           [:])
@@ -189,18 +156,10 @@ changequote(,)dnl
       esac
 changequote([,])dnl
       if test $LOCALE_ZH_CN != none; then
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
+        AC_TRY_RUN([
 #include <locale.h>
 #include <stdlib.h>
 #include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 #include <wchar.h>
 int main ()
 {
@@ -219,7 +178,7 @@ int main ()
         return 1;
     }
   return 0;
-}]])],
+}],
           [gl_cv_func_mbrtowc_sanitycheck=yes],
           [gl_cv_func_mbrtowc_sanitycheck=no],
           [:])
@@ -227,109 +186,31 @@ int main ()
     ])
 ])
 
-dnl Test whether mbrtowc supports a NULL pwc argument correctly.
-dnl Result is gl_cv_func_mbrtowc_null_arg1.
-
-AC_DEFUN([gl_MBRTOWC_NULL_ARG1],
-[
-  AC_REQUIRE([AC_PROG_CC])
-  AC_REQUIRE([gt_LOCALE_FR_UTF8])
-  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
-  AC_CACHE_CHECK([whether mbrtowc handles a NULL pwc argument],
-    [gl_cv_func_mbrtowc_null_arg1],
-    [
-      dnl Initial guess, used when cross-compiling or when no suitable locale
-      dnl is present.
-changequote(,)dnl
-      case "$host_os" in
-                  # Guess no on Solaris.
-        solaris*) gl_cv_func_mbrtowc_null_arg1="guessing no" ;;
-                  # Guess yes otherwise.
-        *)        gl_cv_func_mbrtowc_null_arg1="guessing yes" ;;
-      esac
-changequote([,])dnl
-      if test $LOCALE_FR_UTF8 != none; then
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
-#include <locale.h>
-#include <stdlib.h>
-#include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-int main ()
-{
-  int result = 0;
-
-  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
-    {
-      char input[] = "\303\237er";
-      mbstate_t state;
-      wchar_t wc;
-      size_t ret;
-
-      memset (&state, '\0', sizeof (mbstate_t));
-      wc = (wchar_t) 0xBADFACE;
-      ret = mbrtowc (&wc, input, 5, &state);
-      if (ret != 2)
-        result |= 1;
-      if (!mbsinit (&state))
-        result |= 2;
-
-      memset (&state, '\0', sizeof (mbstate_t));
-      ret = mbrtowc (NULL, input, 5, &state);
-      if (ret != 2) /* Solaris 7 fails here: ret is -1.  */
-        result |= 4;
-      if (!mbsinit (&state))
-        result |= 8;
-    }
-  return result;
-}]])],
-          [gl_cv_func_mbrtowc_null_arg1=yes],
-          [gl_cv_func_mbrtowc_null_arg1=no],
-          [:])
-      fi
-    ])
-])
-
 dnl Test whether mbrtowc supports a NULL string argument correctly.
-dnl Result is gl_cv_func_mbrtowc_null_arg2.
+dnl Result is gl_cv_func_mbrtowc_null_arg.
 
-AC_DEFUN([gl_MBRTOWC_NULL_ARG2],
+AC_DEFUN([gl_MBRTOWC_NULL_ARG],
 [
   AC_REQUIRE([AC_PROG_CC])
   AC_REQUIRE([gt_LOCALE_FR_UTF8])
   AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
   AC_CACHE_CHECK([whether mbrtowc handles a NULL string argument],
-    [gl_cv_func_mbrtowc_null_arg2],
+    [gl_cv_func_mbrtowc_null_arg],
     [
       dnl Initial guess, used when cross-compiling or when no suitable locale
       dnl is present.
 changequote(,)dnl
       case "$host_os" in
               # Guess no on OSF/1.
-        osf*) gl_cv_func_mbrtowc_null_arg2="guessing no" ;;
+        osf*) gl_cv_func_mbrtowc_null_arg="guessing no" ;;
               # Guess yes otherwise.
-        *)    gl_cv_func_mbrtowc_null_arg2="guessing yes" ;;
+        *)    gl_cv_func_mbrtowc_null_arg="guessing yes" ;;
       esac
 changequote([,])dnl
       if test $LOCALE_FR_UTF8 != none; then
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
+        AC_TRY_RUN([
 #include <locale.h>
 #include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 #include <wchar.h>
 int main ()
 {
@@ -347,10 +228,7 @@ int main ()
         return 1;
     }
   return 0;
-}]])],
-          [gl_cv_func_mbrtowc_null_arg2=yes],
-          [gl_cv_func_mbrtowc_null_arg2=no],
-          [:])
+}], [gl_cv_func_mbrtowc_null_arg=yes], [gl_cv_func_mbrtowc_null_arg=no], [:])
       fi
     ])
 ])
@@ -365,7 +243,7 @@ AC_DEFUN([gl_MBRTOWC_RETVAL],
   AC_REQUIRE([AC_PROG_CC])
   AC_REQUIRE([gt_LOCALE_FR_UTF8])
   AC_REQUIRE([gt_LOCALE_JA])
-  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
   AC_CACHE_CHECK([whether mbrtowc has a correct return value],
     [gl_cv_func_mbrtowc_retval],
     [
@@ -373,30 +251,19 @@ AC_DEFUN([gl_MBRTOWC_RETVAL],
       dnl is present.
 changequote(,)dnl
       case "$host_os" in
-                                   # Guess no on HP-UX, Solaris, native Windows.
-        hpux* | solaris* | mingw*) gl_cv_func_mbrtowc_retval="guessing no" ;;
-                                   # Guess yes otherwise.
-        *)                         gl_cv_func_mbrtowc_retval="guessing yes" ;;
+                          # Guess no on HP-UX and Solaris.
+        hpux* | solaris*) gl_cv_func_mbrtowc_retval="guessing no" ;;
+                          # Guess yes otherwise.
+        *)                gl_cv_func_mbrtowc_retval="guessing yes" ;;
       esac
 changequote([,])dnl
-      if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none \
-         || { case "$host_os" in mingw*) true;; *) false;; esac; }; then
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
+      if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none; then
+        AC_TRY_RUN([
 #include <locale.h>
 #include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 #include <wchar.h>
 int main ()
 {
-  int result = 0;
-  int found_some_locale = 0;
   /* This fails on Solaris.  */
   if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
     {
@@ -409,9 +276,8 @@ int main ()
         {
           input[1] = '\0';
           if (mbrtowc (&wc, input + 2, 5, &state) != 1)
-            result |= 1;
+            return 1;
         }
-      found_some_locale = 1;
     }
   /* This fails on HP-UX 11.11.  */
   if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
@@ -425,63 +291,13 @@ int main ()
         {
           input[1] = '\0';
           if (mbrtowc (&wc, input + 2, 5, &state) != 2)
-            result |= 2;
+            return 1;
         }
-      found_some_locale = 1;
     }
-  /* This fails on native Windows.  */
-  if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL)
-    {
-      char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */
-      mbstate_t state;
-      wchar_t wc;
-
-      memset (&state, '\0', sizeof (mbstate_t));
-      if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
-        {
-          input[3] = '\0';
-          if (mbrtowc (&wc, input + 4, 4, &state) != 1)
-            result |= 4;
-        }
-      found_some_locale = 1;
-    }
-  if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL)
-    {
-      char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */
-      mbstate_t state;
-      wchar_t wc;
-
-      memset (&state, '\0', sizeof (mbstate_t));
-      if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
-        {
-          input[3] = '\0';
-          if (mbrtowc (&wc, input + 4, 4, &state) != 1)
-            result |= 8;
-        }
-      found_some_locale = 1;
-    }
-  if (setlocale (LC_ALL, "Chinese_China.936") != NULL)
-    {
-      char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */
-      mbstate_t state;
-      wchar_t wc;
-
-      memset (&state, '\0', sizeof (mbstate_t));
-      if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
-        {
-          input[3] = '\0';
-          if (mbrtowc (&wc, input + 4, 4, &state) != 1)
-            result |= 16;
-        }
-      found_some_locale = 1;
-    }
-  return (found_some_locale ? result : 77);
-}]])],
+  return 0;
+}],
           [gl_cv_func_mbrtowc_retval=yes],
-          [if test $? != 77; then
-             gl_cv_func_mbrtowc_retval=no
-           fi
-          ],
+          [gl_cv_func_mbrtowc_retval=no],
           [:])
       fi
     ])
@@ -509,17 +325,9 @@ changequote(,)dnl
       esac
 changequote([,])dnl
       if test $LOCALE_ZH_CN != none; then
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
+        AC_TRY_RUN([
 #include <locale.h>
 #include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 #include <wchar.h>
 int main ()
 {
@@ -534,7 +342,7 @@ int main ()
         return 1;
     }
   return 0;
-}]])],
+}],
           [gl_cv_func_mbrtowc_nul_retval=yes],
           [gl_cv_func_mbrtowc_nul_retval=no],
           [:])
@@ -542,41 +350,6 @@ int main ()
     ])
 ])
 
-dnl Test whether mbrtowc returns the correct value on empty input.
-
-AC_DEFUN([gl_MBRTOWC_EMPTY_INPUT],
-[
-  AC_REQUIRE([AC_PROG_CC])
-  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
-  AC_CACHE_CHECK([whether mbrtowc works on empty input],
-    [gl_cv_func_mbrtowc_empty_input],
-    [
-      dnl Initial guess, used when cross-compiling or when no suitable locale
-      dnl is present.
-changequote(,)dnl
-      case "$host_os" in
-                     # Guess no on AIX and glibc systems.
-        aix* | *-gnu*)
-                    gl_cv_func_mbrtowc_empty_input="guessing no" ;;
-        *)          gl_cv_func_mbrtowc_empty_input="guessing yes" ;;
-      esac
-changequote([,])dnl
-      AC_RUN_IFELSE(
-        [AC_LANG_SOURCE([[
-           #include <wchar.h>
-           static wchar_t wc;
-           static mbstate_t mbs;
-           int
-           main (void)
-           {
-             return mbrtowc (&wc, "", 0, &mbs) == (size_t) -2;
-           }]])],
-        [gl_cv_func_mbrtowc_empty_input=no],
-        [gl_cv_func_mbrtowc_empty_input=yes],
-        [:])
-    ])
-])
-
 # Prerequisites of lib/mbrtowc.c.
 AC_DEFUN([gl_PREREQ_MBRTOWC], [
   :
@@ -585,8 +358,10 @@ AC_DEFUN([gl_PREREQ_MBRTOWC], [
 
 dnl From Paul Eggert
 
-dnl This is an override of an autoconf macro.
+dnl This override of an autoconf macro can be removed when autoconf 2.60 or
+dnl newer can be assumed everywhere.
 
+m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.60]),[-1],[
 AC_DEFUN([AC_FUNC_MBRTOWC],
 [
   dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
@@ -594,14 +369,7 @@ AC_DEFUN([AC_FUNC_MBRTOWC],
     gl_cv_func_mbrtowc,
     [AC_LINK_IFELSE(
        [AC_LANG_PROGRAM(
-            [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
-                 included before <wchar.h>.
-                 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
-                 must be included before <wchar.h>.  */
-              #include <stddef.h>
-              #include <stdio.h>
-              #include <time.h>
-              #include <wchar.h>]],
+            [[#include <wchar.h>]],
             [[wchar_t wc;
               char const s[] = "";
               size_t n = 1;
@@ -614,3 +382,4 @@ AC_DEFUN([AC_FUNC_MBRTOWC],
       [Define to 1 if mbrtowc and mbstate_t are properly declared.])
   fi
 ])
+])