Update upstream source from tag 'upstream/1.0'

Update to upstream version '1.0'
with Debian dir 4875e7dc9f7277205f0086a63ee21ccdb1d54593

131 files changed, 142 insertions, 133 deletions

diff --git a/tests/unistr/test-chr.h b/tests/unistr/test-chr.h
index 1805212..0282b10 100644
--- a/tests/unistr/test-chr.h
+++ b/tests/unistr/test-chr.h
@@ -1,5 +1,5 @@
 /* Test of uN_chr() functions.
-   Copyright (C) 2008-2018 Free Software Foundation, Inc.
+   Copyright (C) 2008-2022 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
@@ -48,7 +48,9 @@ main (void)
   ASSERT (U_CHR (input, length, 'a') == input);
 
   ASSERT (U_CHR (input, 0, 'a') == NULL);
-  ASSERT (U_CHR (zerosize_ptr (), 0, 'a') == NULL);
+  void *page_boundary = zerosize_ptr ();
+  if (page_boundary)
+    ASSERT (U_CHR (page_boundary, 0, 'a') == NULL);
 
   ASSERT (U_CHR (input, length, 'b') == input + 1);
   ASSERT (U_CHR (input, length, 'c') == input + 2);
@@ -132,6 +134,8 @@ main (void)
   }
 
   free (input);
+  if (sizeof (UNIT) != sizeof (uint32_t))
+    free (input32);
 
   return 0;
 }
diff --git a/tests/unistr/test-cmp.h b/tests/unistr/test-cmp.h
index 58b3966..a9aa0ae 100644
--- a/tests/unistr/test-cmp.h
+++ b/tests/unistr/test-cmp.h
@@ -1,5 +1,5 @@
 /* Test of uN_cmp() functions.
-   Copyright (C) 2008-2018 Free Software Foundation, Inc.
+   Copyright (C) 2008-2022 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
@@ -20,7 +20,10 @@ static void
 test_cmp (void)
 {
   /* Test equal / not equal distinction.  */
-  ASSERT (U_CMP (zerosize_ptr (), zerosize_ptr (), 0) == 0);
+  void *page_boundary1 = zerosize_ptr ();
+  void *page_boundary2 = zerosize_ptr ();
+  if (page_boundary1 && page_boundary2)
+    ASSERT (U_CMP (page_boundary1, page_boundary2, 0) == 0);
   {
     static const UNIT input1[] = { 'f', 'o', 'o', 0 };
     static const UNIT input2[] = { 'f', 'o', 'o', 'b', 'a', 'r', 0 };
diff --git a/tests/unistr/test-cmp2.h b/tests/unistr/test-cmp2.h
index 536ee0b..ed63089 100644
--- a/tests/unistr/test-cmp2.h
+++ b/tests/unistr/test-cmp2.h
@@ -1,5 +1,5 @@
 /* Test of uN_cmp2() functions.
-   Copyright (C) 2008-2018 Free Software Foundation, Inc.
+   Copyright (C) 2008-2022 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
diff --git a/tests/unistr/test-cpy-alloc.h b/tests/unistr/test-cpy-alloc.h
index db5b528..1674162 100644
--- a/tests/unistr/test-cpy-alloc.h
+++ b/tests/unistr/test-cpy-alloc.h
@@ -1,5 +1,5 @@
 /* Test of uN_cpy_alloc() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-cpy.h b/tests/unistr/test-cpy.h
index 4ced8b2..3d2c5b3 100644
--- a/tests/unistr/test-cpy.h
+++ b/tests/unistr/test-cpy.h
@@ -1,5 +1,5 @@
 /* Test of uN_cpy() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-move.h b/tests/unistr/test-move.h
index 80924a8..6cf59ed 100644
--- a/tests/unistr/test-move.h
+++ b/tests/unistr/test-move.h
@@ -1,5 +1,5 @@
 /* Test of uN_move() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-set.h b/tests/unistr/test-set.h
index 3ee93f0..9320868 100644
--- a/tests/unistr/test-set.h
+++ b/tests/unistr/test-set.h
@@ -1,5 +1,5 @@
 /* Test of uN_set() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-stpcpy.h b/tests/unistr/test-stpcpy.h
index 193d253..42ec239 100644
--- a/tests/unistr/test-stpcpy.h
+++ b/tests/unistr/test-stpcpy.h
@@ -1,5 +1,5 @@
 /* Test of uN_stpcpy() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-stpncpy.h b/tests/unistr/test-stpncpy.h
index 80fb1a8..686a704 100644
--- a/tests/unistr/test-stpncpy.h
+++ b/tests/unistr/test-stpncpy.h
@@ -1,5 +1,5 @@
 /* Test of uN_stpncpy() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strcat.h b/tests/unistr/test-strcat.h
index cdb9743..6eecccb 100644
--- a/tests/unistr/test-strcat.h
+++ b/tests/unistr/test-strcat.h
@@ -1,5 +1,5 @@
 /* Test of uN_strcat() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strchr.h b/tests/unistr/test-strchr.h
index b6d54e7..b5d0a1f 100644
--- a/tests/unistr/test-strchr.h
+++ b/tests/unistr/test-strchr.h
@@ -1,5 +1,5 @@
 /* Test of uN_strchr() functions.
-   Copyright (C) 2008-2018 Free Software Foundation, Inc.
+   Copyright (C) 2008-2022 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
@@ -158,4 +158,6 @@ test_strchr (void)
 #endif
 
   free (input);
+  if (sizeof (UNIT) != sizeof (uint32_t))
+    free (input32);
 }
diff --git a/tests/unistr/test-strcmp.h b/tests/unistr/test-strcmp.h
index df1a542..66d4a8c 100644
--- a/tests/unistr/test-strcmp.h
+++ b/tests/unistr/test-strcmp.h
@@ -1,5 +1,5 @@
 /* Test of uN_strcmp() and uN_strcoll() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strcpy.h b/tests/unistr/test-strcpy.h
index 5ba290d..c16305a 100644
--- a/tests/unistr/test-strcpy.h
+++ b/tests/unistr/test-strcpy.h
@@ -1,5 +1,5 @@
 /* Test of uN_strcpy() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strdup.h b/tests/unistr/test-strdup.h
index 73b78ef..456c241 100644
--- a/tests/unistr/test-strdup.h
+++ b/tests/unistr/test-strdup.h
@@ -1,5 +1,5 @@
 /* Test of uN_strdup() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strncat.h b/tests/unistr/test-strncat.h
index 4f3d20e..3b47007 100644
--- a/tests/unistr/test-strncat.h
+++ b/tests/unistr/test-strncat.h
@@ -1,5 +1,5 @@
 /* Test of uN_strncat() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strncmp.h b/tests/unistr/test-strncmp.h
index 7b90d2c..ab3ee21 100644
--- a/tests/unistr/test-strncmp.h
+++ b/tests/unistr/test-strncmp.h
@@ -1,5 +1,5 @@
 /* Test of uN_strncmp() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strncpy.h b/tests/unistr/test-strncpy.h
index 99afabb..11cbf98 100644
--- a/tests/unistr/test-strncpy.h
+++ b/tests/unistr/test-strncpy.h
@@ -1,5 +1,5 @@
 /* Test of uN_strncpy() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-strnlen.h b/tests/unistr/test-strnlen.h
index e11510c..6b3211d 100644
--- a/tests/unistr/test-strnlen.h
+++ b/tests/unistr/test-strnlen.h
@@ -1,5 +1,5 @@
 /* Test of uN_strnlen() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u-strstr.h b/tests/unistr/test-u-strstr.h
index 134a57b..bbc6682 100644
--- a/tests/unistr/test-u-strstr.h
+++ b/tests/unistr/test-u-strstr.h
@@ -1,5 +1,5 @@
 /* Test of uN_strstr() functions.
-   Copyright (C) 2004, 2007-2018 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007-2022 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
diff --git a/tests/unistr/test-u-strtok.h b/tests/unistr/test-u-strtok.h
index 41e46cd..72756c2 100644
--- a/tests/unistr/test-u-strtok.h
+++ b/tests/unistr/test-u-strtok.h
@@ -1,5 +1,5 @@
 /* Test of uN_strtok() functions.
-   Copyright (C) 2015-2018 Free Software Foundation, Inc.
+   Copyright (C) 2015-2022 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
diff --git a/tests/unistr/test-u16-check.c b/tests/unistr/test-u16-check.c
index 2b3713f..4c96f67 100644
--- a/tests/unistr/test-u16-check.c
+++ b/tests/unistr/test-u16-check.c
@@ -1,5 +1,5 @@
 /* Test of u16_check() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-chr.c b/tests/unistr/test-u16-chr.c
index b808fc2..eeefc06 100644
--- a/tests/unistr/test-u16-chr.c
+++ b/tests/unistr/test-u16-chr.c
@@ -1,5 +1,5 @@
 /* Test of u16_chr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-cmp.c b/tests/unistr/test-u16-cmp.c
index a1cf45c..7d44d99 100644
--- a/tests/unistr/test-u16-cmp.c
+++ b/tests/unistr/test-u16-cmp.c
@@ -1,5 +1,5 @@
 /* Test of u16_cmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-cmp2.c b/tests/unistr/test-u16-cmp2.c
index b734de3..37cdf2e 100644
--- a/tests/unistr/test-u16-cmp2.c
+++ b/tests/unistr/test-u16-cmp2.c
@@ -1,5 +1,5 @@
 /* Test of u16_cmp2() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-cpy-alloc.c b/tests/unistr/test-u16-cpy-alloc.c
index ea4981f..1ca76b5 100644
--- a/tests/unistr/test-u16-cpy-alloc.c
+++ b/tests/unistr/test-u16-cpy-alloc.c
@@ -1,5 +1,5 @@
 /* Test of u16_cpy_alloc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-cpy.c b/tests/unistr/test-u16-cpy.c
index aa8a4c4..d3c6a63 100644
--- a/tests/unistr/test-u16-cpy.c
+++ b/tests/unistr/test-u16-cpy.c
@@ -1,5 +1,5 @@
 /* Test of u16_cpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-mblen.c b/tests/unistr/test-u16-mblen.c
index 460e211..8891999 100644
--- a/tests/unistr/test-u16-mblen.c
+++ b/tests/unistr/test-u16-mblen.c
@@ -1,5 +1,5 @@
 /* Test of u16_mblen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-mbsnlen.c b/tests/unistr/test-u16-mbsnlen.c
index 3f58397..cbce681 100644
--- a/tests/unistr/test-u16-mbsnlen.c
+++ b/tests/unistr/test-u16-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Test of u16_mbsnlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-mbtouc-unsafe.c b/tests/unistr/test-u16-mbtouc-unsafe.c
index c5e5705..17b12ea 100644
--- a/tests/unistr/test-u16-mbtouc-unsafe.c
+++ b/tests/unistr/test-u16-mbtouc-unsafe.c
@@ -1,5 +1,5 @@
 /* Test of u16_mbtouc_unsafe() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-mbtouc.c b/tests/unistr/test-u16-mbtouc.c
index 7bdee7a..c8d434e 100644
--- a/tests/unistr/test-u16-mbtouc.c
+++ b/tests/unistr/test-u16-mbtouc.c
@@ -1,5 +1,5 @@
 /* Test of u16_mbtouc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-mbtouc.h b/tests/unistr/test-u16-mbtouc.h
index 770f542..32e3af4 100644
--- a/tests/unistr/test-u16-mbtouc.h
+++ b/tests/unistr/test-u16-mbtouc.h
@@ -1,5 +1,5 @@
 /* Test of u16_mbtouc() and u16_mbtouc_unsafe() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-mbtoucr.c b/tests/unistr/test-u16-mbtoucr.c
index ca9658f..17d9465 100644
--- a/tests/unistr/test-u16-mbtoucr.c
+++ b/tests/unistr/test-u16-mbtoucr.c
@@ -1,5 +1,5 @@
 /* Test of u16_mbtoucr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-move.c b/tests/unistr/test-u16-move.c
index ca67b37..e36518e 100644
--- a/tests/unistr/test-u16-move.c
+++ b/tests/unistr/test-u16-move.c
@@ -1,5 +1,5 @@
 /* Test of u16_move() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-next.c b/tests/unistr/test-u16-next.c
index 7e01ebd..ced2cb6 100644
--- a/tests/unistr/test-u16-next.c
+++ b/tests/unistr/test-u16-next.c
@@ -1,5 +1,5 @@
 /* Test of u16_next() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-prev.c b/tests/unistr/test-u16-prev.c
index a86fb99..960bd3f 100644
--- a/tests/unistr/test-u16-prev.c
+++ b/tests/unistr/test-u16-prev.c
@@ -1,5 +1,5 @@
 /* Test of u16_prev() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-set.c b/tests/unistr/test-u16-set.c
index db7c347..3656f28 100644
--- a/tests/unistr/test-u16-set.c
+++ b/tests/unistr/test-u16-set.c
@@ -1,5 +1,5 @@
 /* Test of u16_set() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-stpcpy.c b/tests/unistr/test-u16-stpcpy.c
index 1207ca6..2512bde 100644
--- a/tests/unistr/test-u16-stpcpy.c
+++ b/tests/unistr/test-u16-stpcpy.c
@@ -1,5 +1,5 @@
 /* Test of u16_stpcpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-stpncpy.c b/tests/unistr/test-u16-stpncpy.c
index 8ae9713..901b0ef 100644
--- a/tests/unistr/test-u16-stpncpy.c
+++ b/tests/unistr/test-u16-stpncpy.c
@@ -1,5 +1,5 @@
 /* Test of u16_stpncpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strcat.c b/tests/unistr/test-u16-strcat.c
index b595584..51ee87e 100644
--- a/tests/unistr/test-u16-strcat.c
+++ b/tests/unistr/test-u16-strcat.c
@@ -1,5 +1,5 @@
 /* Test of u16_strcat() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strchr.c b/tests/unistr/test-u16-strchr.c
index e0904ab..b5bc38d 100644
--- a/tests/unistr/test-u16-strchr.c
+++ b/tests/unistr/test-u16-strchr.c
@@ -1,5 +1,5 @@
 /* Test of u16_strchr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strcmp.c b/tests/unistr/test-u16-strcmp.c
index 7eaa61e..cad915e 100644
--- a/tests/unistr/test-u16-strcmp.c
+++ b/tests/unistr/test-u16-strcmp.c
@@ -1,5 +1,5 @@
 /* Test of u16_strcmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strcmp.h b/tests/unistr/test-u16-strcmp.h
index ce09274..221cb16 100644
--- a/tests/unistr/test-u16-strcmp.h
+++ b/tests/unistr/test-u16-strcmp.h
@@ -1,5 +1,5 @@
 /* Test of u16_strcmp() and u16_strcoll() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strcoll.c b/tests/unistr/test-u16-strcoll.c
index ee3d323..f7da67f 100644
--- a/tests/unistr/test-u16-strcoll.c
+++ b/tests/unistr/test-u16-strcoll.c
@@ -1,5 +1,5 @@
 /* Test of u16_strcoll() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strcpy.c b/tests/unistr/test-u16-strcpy.c
index 8ac396a..eac03db 100644
--- a/tests/unistr/test-u16-strcpy.c
+++ b/tests/unistr/test-u16-strcpy.c
@@ -1,5 +1,5 @@
 /* Test of u16_strcpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strdup.c b/tests/unistr/test-u16-strdup.c
index 4cc9918..5c67f73 100644
--- a/tests/unistr/test-u16-strdup.c
+++ b/tests/unistr/test-u16-strdup.c
@@ -1,5 +1,5 @@
 /* Test of u16_strdup() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strlen.c b/tests/unistr/test-u16-strlen.c
index 39d1741..bfb67d6 100644
--- a/tests/unistr/test-u16-strlen.c
+++ b/tests/unistr/test-u16-strlen.c
@@ -1,5 +1,5 @@
 /* Test of u16_strlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strmblen.c b/tests/unistr/test-u16-strmblen.c
index 240277d..59a0e7c 100644
--- a/tests/unistr/test-u16-strmblen.c
+++ b/tests/unistr/test-u16-strmblen.c
@@ -1,5 +1,5 @@
 /* Test of u16_strmblen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strmbtouc.c b/tests/unistr/test-u16-strmbtouc.c
index 3608e31..75d8349 100644
--- a/tests/unistr/test-u16-strmbtouc.c
+++ b/tests/unistr/test-u16-strmbtouc.c
@@ -1,5 +1,5 @@
 /* Test of u16_strmbtouc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strncat.c b/tests/unistr/test-u16-strncat.c
index f1303db..6aac125 100644
--- a/tests/unistr/test-u16-strncat.c
+++ b/tests/unistr/test-u16-strncat.c
@@ -1,5 +1,5 @@
 /* Test of u16_strncat() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strncmp.c b/tests/unistr/test-u16-strncmp.c
index c15b150..9bd95ae 100644
--- a/tests/unistr/test-u16-strncmp.c
+++ b/tests/unistr/test-u16-strncmp.c
@@ -1,5 +1,5 @@
 /* Test of u16_strncmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strncpy.c b/tests/unistr/test-u16-strncpy.c
index 28b1fdc..81fe869 100644
--- a/tests/unistr/test-u16-strncpy.c
+++ b/tests/unistr/test-u16-strncpy.c
@@ -1,5 +1,5 @@
 /* Test of u16_strncpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strnlen.c b/tests/unistr/test-u16-strnlen.c
index 471542a..86411df 100644
--- a/tests/unistr/test-u16-strnlen.c
+++ b/tests/unistr/test-u16-strnlen.c
@@ -1,5 +1,5 @@
 /* Test of u16_strnlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-strstr.c b/tests/unistr/test-u16-strstr.c
index f099fd2..b300986 100644
--- a/tests/unistr/test-u16-strstr.c
+++ b/tests/unistr/test-u16-strstr.c
@@ -1,5 +1,5 @@
 /* Test of u16_strstr() function.
-   Copyright (C) 2011-2018 Free Software Foundation, Inc.
+   Copyright (C) 2011-2022 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
diff --git a/tests/unistr/test-u16-strtok.c b/tests/unistr/test-u16-strtok.c
index bf08e86..31041b0 100644
--- a/tests/unistr/test-u16-strtok.c
+++ b/tests/unistr/test-u16-strtok.c
@@ -1,5 +1,5 @@
 /* Test of u16_strtok() function.
-   Copyright (C) 2015-2018 Free Software Foundation, Inc.
+   Copyright (C) 2015-2022 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
diff --git a/tests/unistr/test-u16-to-u32.c b/tests/unistr/test-u16-to-u32.c
index 439d0ab..96217f5 100644
--- a/tests/unistr/test-u16-to-u32.c
+++ b/tests/unistr/test-u16-to-u32.c
@@ -1,5 +1,5 @@
 /* Test of u16_to_u32() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-to-u8.c b/tests/unistr/test-u16-to-u8.c
index 6247114..f87d543 100644
--- a/tests/unistr/test-u16-to-u8.c
+++ b/tests/unistr/test-u16-to-u8.c
@@ -1,5 +1,5 @@
 /* Test of u16_to_u8() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u16-uctomb.c b/tests/unistr/test-u16-uctomb.c
index 589ad78..69256bc 100644
--- a/tests/unistr/test-u16-uctomb.c
+++ b/tests/unistr/test-u16-uctomb.c
@@ -1,5 +1,5 @@
 /* Test of u16_uctomb() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-check.c b/tests/unistr/test-u32-check.c
index 4c6f7d1..456b738 100644
--- a/tests/unistr/test-u32-check.c
+++ b/tests/unistr/test-u32-check.c
@@ -1,5 +1,5 @@
 /* Test of u32_check() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-chr.c b/tests/unistr/test-u32-chr.c
index 9117c02..23bf82f 100644
--- a/tests/unistr/test-u32-chr.c
+++ b/tests/unistr/test-u32-chr.c
@@ -1,5 +1,5 @@
 /* Test of u32_chr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-cmp.c b/tests/unistr/test-u32-cmp.c
index 1371102..891cc12 100644
--- a/tests/unistr/test-u32-cmp.c
+++ b/tests/unistr/test-u32-cmp.c
@@ -1,5 +1,5 @@
 /* Test of u32_cmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-cmp2.c b/tests/unistr/test-u32-cmp2.c
index 60f03fb..db63a1d 100644
--- a/tests/unistr/test-u32-cmp2.c
+++ b/tests/unistr/test-u32-cmp2.c
@@ -1,5 +1,5 @@
 /* Test of u32_cmp2() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-cpy-alloc.c b/tests/unistr/test-u32-cpy-alloc.c
index 26728af..21af0c1 100644
--- a/tests/unistr/test-u32-cpy-alloc.c
+++ b/tests/unistr/test-u32-cpy-alloc.c
@@ -1,5 +1,5 @@
 /* Test of u32_cpy_alloc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-cpy.c b/tests/unistr/test-u32-cpy.c
index 61fbf85..fda511b 100644
--- a/tests/unistr/test-u32-cpy.c
+++ b/tests/unistr/test-u32-cpy.c
@@ -1,5 +1,5 @@
 /* Test of u32_cpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-mblen.c b/tests/unistr/test-u32-mblen.c
index 06a2053..963de06 100644
--- a/tests/unistr/test-u32-mblen.c
+++ b/tests/unistr/test-u32-mblen.c
@@ -1,5 +1,5 @@
 /* Test of u32_mblen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-mbsnlen.c b/tests/unistr/test-u32-mbsnlen.c
index a3c261c..4492d24 100644
--- a/tests/unistr/test-u32-mbsnlen.c
+++ b/tests/unistr/test-u32-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Test of u32_mbsnlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-mbtouc-unsafe.c b/tests/unistr/test-u32-mbtouc-unsafe.c
index 235db37..babcb01 100644
--- a/tests/unistr/test-u32-mbtouc-unsafe.c
+++ b/tests/unistr/test-u32-mbtouc-unsafe.c
@@ -1,5 +1,5 @@
 /* Test of u32_mbtouc_unsafe() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-mbtouc.c b/tests/unistr/test-u32-mbtouc.c
index 5c30000..6d752e5 100644
--- a/tests/unistr/test-u32-mbtouc.c
+++ b/tests/unistr/test-u32-mbtouc.c
@@ -1,5 +1,5 @@
 /* Test of u32_mbtouc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-mbtouc.h b/tests/unistr/test-u32-mbtouc.h
index 1ccfa9d..b76cbb7 100644
--- a/tests/unistr/test-u32-mbtouc.h
+++ b/tests/unistr/test-u32-mbtouc.h
@@ -1,5 +1,5 @@
 /* Test of u32_mbtouc() and u32_mbtouc_unsafe() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-mbtoucr.c b/tests/unistr/test-u32-mbtoucr.c
index ca261dc..06ebfb5 100644
--- a/tests/unistr/test-u32-mbtoucr.c
+++ b/tests/unistr/test-u32-mbtoucr.c
@@ -1,5 +1,5 @@
 /* Test of u32_mbtoucr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-move.c b/tests/unistr/test-u32-move.c
index a4831a5..5810e5a 100644
--- a/tests/unistr/test-u32-move.c
+++ b/tests/unistr/test-u32-move.c
@@ -1,5 +1,5 @@
 /* Test of u32_move() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-next.c b/tests/unistr/test-u32-next.c
index c492106..cbbb411 100644
--- a/tests/unistr/test-u32-next.c
+++ b/tests/unistr/test-u32-next.c
@@ -1,5 +1,5 @@
 /* Test of u32_next() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-prev.c b/tests/unistr/test-u32-prev.c
index 59dd237..8558184 100644
--- a/tests/unistr/test-u32-prev.c
+++ b/tests/unistr/test-u32-prev.c
@@ -1,5 +1,5 @@
 /* Test of u32_prev() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-set.c b/tests/unistr/test-u32-set.c
index 5e06b85..b02e935 100644
--- a/tests/unistr/test-u32-set.c
+++ b/tests/unistr/test-u32-set.c
@@ -1,5 +1,5 @@
 /* Test of u32_set() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-stpcpy.c b/tests/unistr/test-u32-stpcpy.c
index 13ee11b..176b7db 100644
--- a/tests/unistr/test-u32-stpcpy.c
+++ b/tests/unistr/test-u32-stpcpy.c
@@ -1,5 +1,5 @@
 /* Test of u32_stpcpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-stpncpy.c b/tests/unistr/test-u32-stpncpy.c
index f8de30b..16db556 100644
--- a/tests/unistr/test-u32-stpncpy.c
+++ b/tests/unistr/test-u32-stpncpy.c
@@ -1,5 +1,5 @@
 /* Test of u32_stpncpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strcat.c b/tests/unistr/test-u32-strcat.c
index 5e84624..0ef0f4b 100644
--- a/tests/unistr/test-u32-strcat.c
+++ b/tests/unistr/test-u32-strcat.c
@@ -1,5 +1,5 @@
 /* Test of u32_strcat() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strchr.c b/tests/unistr/test-u32-strchr.c
index d0c4874..2542678 100644
--- a/tests/unistr/test-u32-strchr.c
+++ b/tests/unistr/test-u32-strchr.c
@@ -1,5 +1,5 @@
 /* Test of u32_strchr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strcmp.c b/tests/unistr/test-u32-strcmp.c
index 82b995e..a2b2bbc 100644
--- a/tests/unistr/test-u32-strcmp.c
+++ b/tests/unistr/test-u32-strcmp.c
@@ -1,5 +1,5 @@
 /* Test of u32_strcmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strcmp.h b/tests/unistr/test-u32-strcmp.h
index e4832e9..22ab321 100644
--- a/tests/unistr/test-u32-strcmp.h
+++ b/tests/unistr/test-u32-strcmp.h
@@ -1,5 +1,5 @@
 /* Test of u32_strcmp() and u32_strcoll() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strcoll.c b/tests/unistr/test-u32-strcoll.c
index 9c6a9d9..e9b9f2e 100644
--- a/tests/unistr/test-u32-strcoll.c
+++ b/tests/unistr/test-u32-strcoll.c
@@ -1,5 +1,5 @@
 /* Test of u32_strcoll() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strcpy.c b/tests/unistr/test-u32-strcpy.c
index 8d82d92..cb44401 100644
--- a/tests/unistr/test-u32-strcpy.c
+++ b/tests/unistr/test-u32-strcpy.c
@@ -1,5 +1,5 @@
 /* Test of u32_strcpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strdup.c b/tests/unistr/test-u32-strdup.c
index fbecf55..4841a1a 100644
--- a/tests/unistr/test-u32-strdup.c
+++ b/tests/unistr/test-u32-strdup.c
@@ -1,5 +1,5 @@
 /* Test of u32_strdup() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strlen.c b/tests/unistr/test-u32-strlen.c
index e7509a7..0f780b7 100644
--- a/tests/unistr/test-u32-strlen.c
+++ b/tests/unistr/test-u32-strlen.c
@@ -1,5 +1,5 @@
 /* Test of u32_strlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strmblen.c b/tests/unistr/test-u32-strmblen.c
index 72a01d8..6b84872 100644
--- a/tests/unistr/test-u32-strmblen.c
+++ b/tests/unistr/test-u32-strmblen.c
@@ -1,5 +1,5 @@
 /* Test of u32_strmblen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strmbtouc.c b/tests/unistr/test-u32-strmbtouc.c
index 2884140..67c8a0e 100644
--- a/tests/unistr/test-u32-strmbtouc.c
+++ b/tests/unistr/test-u32-strmbtouc.c
@@ -1,5 +1,5 @@
 /* Test of u32_strmbtouc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strncat.c b/tests/unistr/test-u32-strncat.c
index c57b8b7..210667a 100644
--- a/tests/unistr/test-u32-strncat.c
+++ b/tests/unistr/test-u32-strncat.c
@@ -1,5 +1,5 @@
 /* Test of u32_strncat() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strncmp.c b/tests/unistr/test-u32-strncmp.c
index 225b120..7f48bee 100644
--- a/tests/unistr/test-u32-strncmp.c
+++ b/tests/unistr/test-u32-strncmp.c
@@ -1,5 +1,5 @@
 /* Test of u32_strncmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strncpy.c b/tests/unistr/test-u32-strncpy.c
index cb2622f..c1b7144 100644
--- a/tests/unistr/test-u32-strncpy.c
+++ b/tests/unistr/test-u32-strncpy.c
@@ -1,5 +1,5 @@
 /* Test of u32_strncpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strnlen.c b/tests/unistr/test-u32-strnlen.c
index 39fa752..9948db6 100644
--- a/tests/unistr/test-u32-strnlen.c
+++ b/tests/unistr/test-u32-strnlen.c
@@ -1,5 +1,5 @@
 /* Test of u32_strnlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-strstr.c b/tests/unistr/test-u32-strstr.c
index e5b7f61..f017d65 100644
--- a/tests/unistr/test-u32-strstr.c
+++ b/tests/unistr/test-u32-strstr.c
@@ -1,5 +1,5 @@
 /* Test of u32_strstr() function.
-   Copyright (C) 2011-2018 Free Software Foundation, Inc.
+   Copyright (C) 2011-2022 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
diff --git a/tests/unistr/test-u32-strtok.c b/tests/unistr/test-u32-strtok.c
index f0e4e43..d513475 100644
--- a/tests/unistr/test-u32-strtok.c
+++ b/tests/unistr/test-u32-strtok.c
@@ -1,5 +1,5 @@
 /* Test of u32_strtok() function.
-   Copyright (C) 2015-2018 Free Software Foundation, Inc.
+   Copyright (C) 2015-2022 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
diff --git a/tests/unistr/test-u32-to-u16.c b/tests/unistr/test-u32-to-u16.c
index b67a768..de17bc3 100644
--- a/tests/unistr/test-u32-to-u16.c
+++ b/tests/unistr/test-u32-to-u16.c
@@ -1,5 +1,5 @@
 /* Test of u32_to_u16() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-to-u8.c b/tests/unistr/test-u32-to-u8.c
index 68538e9..829d9be 100644
--- a/tests/unistr/test-u32-to-u8.c
+++ b/tests/unistr/test-u32-to-u8.c
@@ -1,5 +1,5 @@
 /* Test of u32_to_u8() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u32-uctomb.c b/tests/unistr/test-u32-uctomb.c
index 1aa767c..02129cd 100644
--- a/tests/unistr/test-u32-uctomb.c
+++ b/tests/unistr/test-u32-uctomb.c
@@ -1,5 +1,5 @@
 /* Test of u32_uctomb() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-check.c b/tests/unistr/test-u8-check.c
index bc486a0..0087eb9 100644
--- a/tests/unistr/test-u8-check.c
+++ b/tests/unistr/test-u8-check.c
@@ -1,5 +1,5 @@
 /* Test of u8_check() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-chr.c b/tests/unistr/test-u8-chr.c
index 2d95333..86e0d02 100644
--- a/tests/unistr/test-u8-chr.c
+++ b/tests/unistr/test-u8-chr.c
@@ -1,5 +1,5 @@
 /* Test of u8_chr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-cmp.c b/tests/unistr/test-u8-cmp.c
index 91d800d..6f18a7e 100644
--- a/tests/unistr/test-u8-cmp.c
+++ b/tests/unistr/test-u8-cmp.c
@@ -1,5 +1,5 @@
 /* Test of u8_cmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-cmp2.c b/tests/unistr/test-u8-cmp2.c
index d0a2d7b..482684b 100644
--- a/tests/unistr/test-u8-cmp2.c
+++ b/tests/unistr/test-u8-cmp2.c
@@ -1,5 +1,5 @@
 /* Test of u8_cmp2() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-cpy-alloc.c b/tests/unistr/test-u8-cpy-alloc.c
index 9b28ec5..ec0aec4 100644
--- a/tests/unistr/test-u8-cpy-alloc.c
+++ b/tests/unistr/test-u8-cpy-alloc.c
@@ -1,5 +1,5 @@
 /* Test of u8_cpy_alloc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-cpy.c b/tests/unistr/test-u8-cpy.c
index 5be03e6..821b60c 100644
--- a/tests/unistr/test-u8-cpy.c
+++ b/tests/unistr/test-u8-cpy.c
@@ -1,5 +1,5 @@
 /* Test of u8_cpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-mblen.c b/tests/unistr/test-u8-mblen.c
index 447bec0..af41fb4 100644
--- a/tests/unistr/test-u8-mblen.c
+++ b/tests/unistr/test-u8-mblen.c
@@ -1,5 +1,5 @@
 /* Test of u8_mblen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-mbsnlen.c b/tests/unistr/test-u8-mbsnlen.c
index 5c6a826..94c1011 100644
--- a/tests/unistr/test-u8-mbsnlen.c
+++ b/tests/unistr/test-u8-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Test of u8_mbsnlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-mbtouc-unsafe.c b/tests/unistr/test-u8-mbtouc-unsafe.c
index 49c28a8..382d4c0 100644
--- a/tests/unistr/test-u8-mbtouc-unsafe.c
+++ b/tests/unistr/test-u8-mbtouc-unsafe.c
@@ -1,5 +1,5 @@
 /* Test of u8_mbtouc_unsafe() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-mbtouc.c b/tests/unistr/test-u8-mbtouc.c
index e3e238e..6327bb2 100644
--- a/tests/unistr/test-u8-mbtouc.c
+++ b/tests/unistr/test-u8-mbtouc.c
@@ -1,5 +1,5 @@
 /* Test of u8_mbtouc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-mbtouc.h b/tests/unistr/test-u8-mbtouc.h
index 6c94631..cce6f7e 100644
--- a/tests/unistr/test-u8-mbtouc.h
+++ b/tests/unistr/test-u8-mbtouc.h
@@ -1,5 +1,5 @@
 /* Test of u8_mbtouc() and u8_mbtouc_unsafe() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-mbtoucr.c b/tests/unistr/test-u8-mbtoucr.c
index ee25a65..9b96e00 100644
--- a/tests/unistr/test-u8-mbtoucr.c
+++ b/tests/unistr/test-u8-mbtoucr.c
@@ -1,5 +1,5 @@
 /* Test of u8_mbtoucr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-move.c b/tests/unistr/test-u8-move.c
index fb33c56..d926d4b 100644
--- a/tests/unistr/test-u8-move.c
+++ b/tests/unistr/test-u8-move.c
@@ -1,5 +1,5 @@
 /* Test of u8_move() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-next.c b/tests/unistr/test-u8-next.c
index 79e6aa1..6222dea 100644
--- a/tests/unistr/test-u8-next.c
+++ b/tests/unistr/test-u8-next.c
@@ -1,5 +1,5 @@
 /* Test of u8_next() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-prev.c b/tests/unistr/test-u8-prev.c
index 227204e..9d2ea14 100644
--- a/tests/unistr/test-u8-prev.c
+++ b/tests/unistr/test-u8-prev.c
@@ -1,5 +1,5 @@
 /* Test of u8_prev() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-set.c b/tests/unistr/test-u8-set.c
index 083d8b6..5aad7c4 100644
--- a/tests/unistr/test-u8-set.c
+++ b/tests/unistr/test-u8-set.c
@@ -1,5 +1,5 @@
 /* Test of u8_set() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-stpcpy.c b/tests/unistr/test-u8-stpcpy.c
index f00c7d1..371e445 100644
--- a/tests/unistr/test-u8-stpcpy.c
+++ b/tests/unistr/test-u8-stpcpy.c
@@ -1,5 +1,5 @@
 /* Test of u8_stpcpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-stpncpy.c b/tests/unistr/test-u8-stpncpy.c
index 4bda3ce..30a8ff8 100644
--- a/tests/unistr/test-u8-stpncpy.c
+++ b/tests/unistr/test-u8-stpncpy.c
@@ -1,5 +1,5 @@
 /* Test of u8_stpncpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strcat.c b/tests/unistr/test-u8-strcat.c
index 65034fd..2da8de4 100644
--- a/tests/unistr/test-u8-strcat.c
+++ b/tests/unistr/test-u8-strcat.c
@@ -1,5 +1,5 @@
 /* Test of u8_strcat() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strchr.c b/tests/unistr/test-u8-strchr.c
index 136855d..0141fc3 100644
--- a/tests/unistr/test-u8-strchr.c
+++ b/tests/unistr/test-u8-strchr.c
@@ -1,5 +1,5 @@
 /* Test of u8_strchr() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strcmp.c b/tests/unistr/test-u8-strcmp.c
index 7e285cb..fb71d13 100644
--- a/tests/unistr/test-u8-strcmp.c
+++ b/tests/unistr/test-u8-strcmp.c
@@ -1,5 +1,5 @@
 /* Test of u8_strcmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strcmp.h b/tests/unistr/test-u8-strcmp.h
index 30ed1ca..1c1e4e7 100644
--- a/tests/unistr/test-u8-strcmp.h
+++ b/tests/unistr/test-u8-strcmp.h
@@ -1,5 +1,5 @@
 /* Test of u8_strcmp() and u8_strcoll() functions.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strcoll.c b/tests/unistr/test-u8-strcoll.c
index 747986c..e11494b 100644
--- a/tests/unistr/test-u8-strcoll.c
+++ b/tests/unistr/test-u8-strcoll.c
@@ -1,5 +1,5 @@
 /* Test of u8_strcoll() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strcpy.c b/tests/unistr/test-u8-strcpy.c
index 53f2f0f..535df3f 100644
--- a/tests/unistr/test-u8-strcpy.c
+++ b/tests/unistr/test-u8-strcpy.c
@@ -1,5 +1,5 @@
 /* Test of u8_strcpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strdup.c b/tests/unistr/test-u8-strdup.c
index bac9739..7ed0465 100644
--- a/tests/unistr/test-u8-strdup.c
+++ b/tests/unistr/test-u8-strdup.c
@@ -1,5 +1,5 @@
 /* Test of u8_strdup() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strlen.c b/tests/unistr/test-u8-strlen.c
index cd0e6ce..533ef38 100644
--- a/tests/unistr/test-u8-strlen.c
+++ b/tests/unistr/test-u8-strlen.c
@@ -1,5 +1,5 @@
 /* Test of u8_strlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strmblen.c b/tests/unistr/test-u8-strmblen.c
index fdd0cd1..21041d3 100644
--- a/tests/unistr/test-u8-strmblen.c
+++ b/tests/unistr/test-u8-strmblen.c
@@ -1,5 +1,5 @@
 /* Test of u8_strmblen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strmbtouc.c b/tests/unistr/test-u8-strmbtouc.c
index 6013bf3..f947cc5 100644
--- a/tests/unistr/test-u8-strmbtouc.c
+++ b/tests/unistr/test-u8-strmbtouc.c
@@ -1,5 +1,5 @@
 /* Test of u8_strmbtouc() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strncat.c b/tests/unistr/test-u8-strncat.c
index 9c7c440..b4b320b 100644
--- a/tests/unistr/test-u8-strncat.c
+++ b/tests/unistr/test-u8-strncat.c
@@ -1,5 +1,5 @@
 /* Test of u8_strncat() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strncmp.c b/tests/unistr/test-u8-strncmp.c
index e1d8d89..a482a4b 100644
--- a/tests/unistr/test-u8-strncmp.c
+++ b/tests/unistr/test-u8-strncmp.c
@@ -1,5 +1,5 @@
 /* Test of u8_strncmp() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strncpy.c b/tests/unistr/test-u8-strncpy.c
index 8ba7b5d..6557b14 100644
--- a/tests/unistr/test-u8-strncpy.c
+++ b/tests/unistr/test-u8-strncpy.c
@@ -1,5 +1,5 @@
 /* Test of u8_strncpy() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strnlen.c b/tests/unistr/test-u8-strnlen.c
index 6f542ff..24ecb0f 100644
--- a/tests/unistr/test-u8-strnlen.c
+++ b/tests/unistr/test-u8-strnlen.c
@@ -1,5 +1,5 @@
 /* Test of u8_strnlen() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-strstr.c b/tests/unistr/test-u8-strstr.c
index 9fbf28e..50fa87b 100644
--- a/tests/unistr/test-u8-strstr.c
+++ b/tests/unistr/test-u8-strstr.c
@@ -1,5 +1,5 @@
 /* Test of u8_strstr() function.
-   Copyright (C) 2011-2018 Free Software Foundation, Inc.
+   Copyright (C) 2011-2022 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
diff --git a/tests/unistr/test-u8-strtok.c b/tests/unistr/test-u8-strtok.c
index d18cf5c..78ede07 100644
--- a/tests/unistr/test-u8-strtok.c
+++ b/tests/unistr/test-u8-strtok.c
@@ -1,5 +1,5 @@
 /* Test of u8_strtok() function.
-   Copyright (C) 2015-2018 Free Software Foundation, Inc.
+   Copyright (C) 2015-2022 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
diff --git a/tests/unistr/test-u8-to-u16.c b/tests/unistr/test-u8-to-u16.c
index bd1eea7..311452d 100644
--- a/tests/unistr/test-u8-to-u16.c
+++ b/tests/unistr/test-u8-to-u16.c
@@ -1,5 +1,5 @@
 /* Test of u8_to_u16() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-to-u32.c b/tests/unistr/test-u8-to-u32.c
index 41bb129..e4b4045 100644
--- a/tests/unistr/test-u8-to-u32.c
+++ b/tests/unistr/test-u8-to-u32.c
@@ -1,5 +1,5 @@
 /* Test of u8_to_u32() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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
diff --git a/tests/unistr/test-u8-uctomb.c b/tests/unistr/test-u8-uctomb.c
index 91c3dea..4e77702 100644
--- a/tests/unistr/test-u8-uctomb.c
+++ b/tests/unistr/test-u8-uctomb.c
@@ -1,5 +1,5 @@
 /* Test of u8_uctomb() function.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 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