Merge branch 'feature/upstream' into develop

131 files changed, 142 insertions, 133 deletions

diff --git a/tests/unistr/test-chr.h b/tests/unistr/test-chr.h
index 1805212a..0282b109 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 58b39662..a9aa0ae7 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 536ee0b8..ed630896 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 db5b528e..16741629 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 4ced8b28..3d2c5b32 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 80924a86..6cf59ed5 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 3ee93f03..9320868e 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 193d253e..42ec2393 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 80fb1a8f..686a704c 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 cdb9743f..6eecccb1 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 b6d54e70..b5d0a1f4 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 df1a5429..66d4a8c1 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 5ba290d8..c16305a3 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 73b78efd..456c2416 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 4f3d20e6..3b470076 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 7b90d2cf..ab3ee21a 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 99afabbc..11cbf980 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 e11510cf..6b3211db 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 134a57bf..bbc66821 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 41e46cd6..72756c2e 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 2b3713fc..4c96f672 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 b808fc29..eeefc067 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 a1cf45c9..7d44d999 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 b734de3a..37cdf2e2 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 ea4981fa..1ca76b5d 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 aa8a4c4a..d3c6a63f 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 460e2118..88919999 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 3f583974..cbce6819 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 c5e5705c..17b12eaa 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 7bdee7ab..c8d434ee 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 770f542a..32e3af48 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 ca9658fc..17d94654 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 ca67b378..e36518eb 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 7e01ebdd..ced2cb6c 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 a86fb991..960bd3f7 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 db7c347b..3656f289 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 1207ca6a..2512bde1 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 8ae9713e..901b0ef0 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 b595584c..51ee87e7 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 e0904aba..b5bc38da 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 7eaa61e7..cad915ed 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 ce092745..221cb164 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 ee3d323c..f7da67f6 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 8ac396aa..eac03db1 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 4cc99183..5c67f731 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 39d17414..bfb67d6b 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 240277d5..59a0e7c7 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 3608e31d..75d83493 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 f1303dbd..6aac125c 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 c15b150f..9bd95aea 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 28b1fdcb..81fe8697 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 471542a3..86411df4 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 f099fd26..b300986b 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 bf08e868..31041b07 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 439d0ab6..96217f54 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 6247114f..f87d543f 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 589ad784..69256bc1 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 4c6f7d10..456b7381 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 9117c02a..23bf82f0 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 1371102c..891cc124 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 60f03fb6..db63a1d5 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 26728af0..21af0c15 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 61fbf856..fda511bb 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 06a2053b..963de068 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 a3c261c4..4492d245 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 235db377..babcb016 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 5c30000a..6d752e57 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 1ccfa9df..b76cbb7a 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 ca261dcd..06ebfb55 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 a4831a58..5810e5ad 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 c4921066..cbbb411e 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 59dd2371..8558184c 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 5e06b857..b02e9357 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 13ee11bb..176b7db2 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 f8de30b2..16db556b 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 5e84624b..0ef0f4bb 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 d0c48743..25426780 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 82b995ed..a2b2bbcd 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 e4832e9e..22ab321a 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 9c6a9d9b..e9b9f2e2 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 8d82d92e..cb44401d 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 fbecf55e..4841a1aa 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 e7509a70..0f780b76 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 72a01d8f..6b848720 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 28841404..67c8a0e7 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 c57b8b74..210667a9 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 225b1201..7f48beef 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 cb2622f8..c1b71447 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 39fa7520..9948db6c 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 e5b7f617..f017d650 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 f0e4e436..d5134754 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 b67a768f..de17bc36 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 68538e9c..829d9bef 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 1aa767ce..02129cdf 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 bc486a02..0087eb98 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 2d953335..86e0d028 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 91d800d7..6f18a7e5 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 d0a2d7b2..482684b3 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 9b28ec59..ec0aec40 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 5be03e67..821b60ca 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 447bec0d..af41fb42 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 5c6a8261..94c10112 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 49c28a84..382d4c05 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 e3e238e8..6327bb22 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 6c946313..cce6f7e2 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 ee25a659..9b96e000 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 fb33c563..d926d4b7 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 79e6aa18..6222deab 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 227204e4..9d2ea149 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 083d8b6f..5aad7c40 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 f00c7d19..371e445e 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 4bda3ce9..30a8ff8f 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 65034fdf..2da8de4a 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 136855de..0141fc32 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 7e285cb9..fb71d138 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 30ed1cab..1c1e4e77 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 747986c2..e11494b8 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 53f2f0f2..535df3f3 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 bac9739b..7ed0465a 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 cd0e6ce7..533ef38a 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 fdd0cd1e..21041d36 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 6013bf36..f947cc57 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 9c7c440c..b4b320bf 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 e1d8d892..a482a4b2 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 8ba7b5de..6557b148 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 6f542fff..24ecb0fc 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 9fbf28e6..50fa87b3 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 d18cf5c5..78ede075 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 bd1eea71..311452d8 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 41bb1299..e4b4045a 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 91c3deaa..4e777028 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