Merge branch 'release/debian/1.4.2-1'HEADdebian/1.4.2-1master

37 files changed, 70 insertions, 48 deletions

diff --git a/tests/unistdio/test-u16-asnprintf1.c b/tests/unistdio/test-u16-asnprintf1.c
index 6eac3a3b..672b4662 100644
--- a/tests/unistdio/test-u16-asnprintf1.c
+++ b/tests/unistdio/test-u16-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_asnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-asnprintf1.h b/tests/unistdio/test-u16-asnprintf1.h
index 2b1a9ab3..79d53293 100644
--- a/tests/unistdio/test-u16-asnprintf1.h
+++ b/tests/unistdio/test-u16-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of u16_[v]asnprintf() function.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,11 +20,10 @@ static void
 test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, ...))
 {
   uint16_t buf[8];
-  int size;
 
   /* Test return value convention.  */
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       size_t length = size;
       uint16_t *result = my_asnprintf (NULL, &length, "%d", 12345);
@@ -36,7 +35,7 @@ test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, .
       free (result);
     }
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       static const uint16_t initializer[] =
         { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
diff --git a/tests/unistdio/test-u16-printf1.h b/tests/unistdio/test-u16-printf1.h
index d2a71153..020b4d59 100644
--- a/tests/unistdio/test-u16-printf1.h
+++ b/tests/unistdio/test-u16-printf1.h
@@ -1,5 +1,5 @@
 /* Test of u16_v[a]s[n]printf() function.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-vasnprintf1.c b/tests/unistdio/test-u16-vasnprintf1.c
index b9965683..c17d6e63 100644
--- a/tests/unistdio/test-u16-vasnprintf1.c
+++ b/tests/unistdio/test-u16-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-vasnprintf2.c b/tests/unistdio/test-u16-vasnprintf2.c
index 4c061c66..cef1b654 100644
--- a/tests/unistdio/test-u16-vasnprintf2.c
+++ b/tests/unistdio/test-u16-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-vasnprintf3.c b/tests/unistdio/test-u16-vasnprintf3.c
index d5924f8b..44604a00 100644
--- a/tests/unistdio/test-u16-vasnprintf3.c
+++ b/tests/unistdio/test-u16-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-vasprintf1.c b/tests/unistdio/test-u16-vasprintf1.c
index 43cc6e22..f43bebd5 100644
--- a/tests/unistdio/test-u16-vasprintf1.c
+++ b/tests/unistdio/test-u16-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vasprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-vsnprintf1.c b/tests/unistdio/test-u16-vsnprintf1.c
index 9cf40eac..e2b35fc5 100644
--- a/tests/unistdio/test-u16-vsnprintf1.c
+++ b/tests/unistdio/test-u16-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vsnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u16-vsprintf1.c b/tests/unistdio/test-u16-vsprintf1.c
index 63f68a79..0fee1c04 100644
--- a/tests/unistdio/test-u16-vsprintf1.c
+++ b/tests/unistdio/test-u16-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u16_vsprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-asnprintf1.c b/tests/unistdio/test-u32-asnprintf1.c
index 428460fe..c899e488 100644
--- a/tests/unistdio/test-u32-asnprintf1.c
+++ b/tests/unistdio/test-u32-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_asnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-asnprintf1.h b/tests/unistdio/test-u32-asnprintf1.h
index af786848..da619725 100644
--- a/tests/unistdio/test-u32-asnprintf1.h
+++ b/tests/unistdio/test-u32-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of u32_[v]asnprintf() function.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,11 +20,10 @@ static void
 test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, ...))
 {
   uint32_t buf[8];
-  int size;
 
   /* Test return value convention.  */
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       size_t length = size;
       uint32_t *result = my_asnprintf (NULL, &length, "%d", 12345);
@@ -36,7 +35,7 @@ test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, .
       free (result);
     }
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       static const uint32_t initializer[] =
         { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
diff --git a/tests/unistdio/test-u32-printf1.h b/tests/unistdio/test-u32-printf1.h
index d7ba2e09..0bc80288 100644
--- a/tests/unistdio/test-u32-printf1.h
+++ b/tests/unistdio/test-u32-printf1.h
@@ -1,5 +1,5 @@
 /* Test of u32_v[a]s[n]printf() function.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-vasnprintf1.c b/tests/unistdio/test-u32-vasnprintf1.c
index 7392294a..91e9a5f0 100644
--- a/tests/unistdio/test-u32-vasnprintf1.c
+++ b/tests/unistdio/test-u32-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-vasnprintf2.c b/tests/unistdio/test-u32-vasnprintf2.c
index 70336c7c..6c52352f 100644
--- a/tests/unistdio/test-u32-vasnprintf2.c
+++ b/tests/unistdio/test-u32-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-vasnprintf3.c b/tests/unistdio/test-u32-vasnprintf3.c
index 816eb9fd..361a2e1d 100644
--- a/tests/unistdio/test-u32-vasnprintf3.c
+++ b/tests/unistdio/test-u32-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-vasprintf1.c b/tests/unistdio/test-u32-vasprintf1.c
index d4624725..52d62242 100644
--- a/tests/unistdio/test-u32-vasprintf1.c
+++ b/tests/unistdio/test-u32-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vasprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-vsnprintf1.c b/tests/unistdio/test-u32-vsnprintf1.c
index bb73ca80..3c6713f8 100644
--- a/tests/unistdio/test-u32-vsnprintf1.c
+++ b/tests/unistdio/test-u32-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vsnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u32-vsprintf1.c b/tests/unistdio/test-u32-vsprintf1.c
index ae2ff722..af9ea173 100644
--- a/tests/unistdio/test-u32-vsprintf1.c
+++ b/tests/unistdio/test-u32-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u32_vsprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-asnprintf1.c b/tests/unistdio/test-u8-asnprintf1.c
index 2a8c9ce4..2939e719 100644
--- a/tests/unistdio/test-u8-asnprintf1.c
+++ b/tests/unistdio/test-u8-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_asnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-asnprintf1.h b/tests/unistdio/test-u8-asnprintf1.h
index 7c2c3622..6e9759ce 100644
--- a/tests/unistdio/test-u8-asnprintf1.h
+++ b/tests/unistdio/test-u8-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of u8_[v]asnprintf() function.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,11 +20,10 @@ static void
 test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...))
 {
   uint8_t buf[8];
-  int size;
 
   /* Test return value convention.  */
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       size_t length = size;
       uint8_t *result = my_asnprintf (NULL, &length, "%d", 12345);
@@ -35,7 +34,7 @@ test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...
       free (result);
     }
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       static const uint8_t initializer[] = "DEADBEEF";
       static const uint8_t expected[] = "12345";
diff --git a/tests/unistdio/test-u8-printf1.h b/tests/unistdio/test-u8-printf1.h
index 3963adb6..e12500de 100644
--- a/tests/unistdio/test-u8-printf1.h
+++ b/tests/unistdio/test-u8-printf1.h
@@ -1,5 +1,5 @@
 /* Test of u8_v[a]s[n]printf() function.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-vasnprintf1.c b/tests/unistdio/test-u8-vasnprintf1.c
index b808b186..2be743e1 100644
--- a/tests/unistdio/test-u8-vasnprintf1.c
+++ b/tests/unistdio/test-u8-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-vasnprintf2.c b/tests/unistdio/test-u8-vasnprintf2.c
index 3c0a00f1..6ad7b368 100644
--- a/tests/unistdio/test-u8-vasnprintf2.c
+++ b/tests/unistdio/test-u8-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-vasnprintf3.c b/tests/unistdio/test-u8-vasnprintf3.c
index 72efa60a..44539d52 100644
--- a/tests/unistdio/test-u8-vasnprintf3.c
+++ b/tests/unistdio/test-u8-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-vasprintf1.c b/tests/unistdio/test-u8-vasprintf1.c
index 24512276..a9b9bc44 100644
--- a/tests/unistdio/test-u8-vasprintf1.c
+++ b/tests/unistdio/test-u8-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vasprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-vsnprintf1.c b/tests/unistdio/test-u8-vsnprintf1.c
index 7cd55288..2bf41b26 100644
--- a/tests/unistdio/test-u8-vsnprintf1.c
+++ b/tests/unistdio/test-u8-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vsnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-u8-vsprintf1.c b/tests/unistdio/test-u8-vsprintf1.c
index 3300677f..e1e597b8 100644
--- a/tests/unistdio/test-u8-vsprintf1.c
+++ b/tests/unistdio/test-u8-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of u8_vsprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-asnprintf1.c b/tests/unistdio/test-ulc-asnprintf1.c
index 8fb91da0..2127d2e3 100644
--- a/tests/unistdio/test-ulc-asnprintf1.c
+++ b/tests/unistdio/test-ulc-asnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_asnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-asnprintf1.h b/tests/unistdio/test-ulc-asnprintf1.h
index 8ede282f..ab7e0d89 100644
--- a/tests/unistdio/test-ulc-asnprintf1.h
+++ b/tests/unistdio/test-ulc-asnprintf1.h
@@ -1,5 +1,5 @@
 /* Test of ulc_[v]asnprintf() functions.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,11 +20,10 @@ static void
 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
 {
   char buf[8];
-  int size;
 
   /* Test return value convention.  */
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       size_t length = size;
       char *result = my_asnprintf (NULL, &length, "%d", 12345);
@@ -34,7 +33,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
       free (result);
     }
 
-  for (size = 0; size <= 8; size++)
+  for (int size = 0; size <= 8; size++)
     {
       size_t length;
       char *result;
diff --git a/tests/unistdio/test-ulc-printf1.h b/tests/unistdio/test-ulc-printf1.h
index 49089c1b..0b13116e 100644
--- a/tests/unistdio/test-ulc-printf1.h
+++ b/tests/unistdio/test-ulc-printf1.h
@@ -1,5 +1,5 @@
 /* Test of ulc_v[a]s[n]printf() functions.
-   Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-vasnprintf1.c b/tests/unistdio/test-ulc-vasnprintf1.c
index 4352ff03..32d2c1c5 100644
--- a/tests/unistdio/test-ulc-vasnprintf1.c
+++ b/tests/unistdio/test-ulc-vasnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-vasnprintf2.c b/tests/unistdio/test-ulc-vasnprintf2.c
index ba14e612..bbd50512 100644
--- a/tests/unistdio/test-ulc-vasnprintf2.c
+++ b/tests/unistdio/test-ulc-vasnprintf2.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasnprintf() function in an ISO-8859-1 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-vasnprintf3.c b/tests/unistdio/test-ulc-vasnprintf3.c
index f73b4539..b35aefc9 100644
--- a/tests/unistdio/test-ulc-vasnprintf3.c
+++ b/tests/unistdio/test-ulc-vasnprintf3.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasnprintf() function in an UTF-8 locale.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-vasprintf1.c b/tests/unistdio/test-ulc-vasprintf1.c
index b91376ca..3a449796 100644
--- a/tests/unistdio/test-ulc-vasprintf1.c
+++ b/tests/unistdio/test-ulc-vasprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vasprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-vsnprintf1.c b/tests/unistdio/test-ulc-vsnprintf1.c
index 2c1e38d7..66a391fd 100644
--- a/tests/unistdio/test-ulc-vsnprintf1.c
+++ b/tests/unistdio/test-ulc-vsnprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vsnprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-ulc-vsprintf1.c b/tests/unistdio/test-ulc-vsprintf1.c
index 1e3633a5..7c5deb0d 100644
--- a/tests/unistdio/test-ulc-vsprintf1.c
+++ b/tests/unistdio/test-ulc-vsprintf1.c
@@ -1,5 +1,5 @@
 /* Test of ulc_vsprintf() function.
-   Copyright (C) 2007-2024 Free Software Foundation, Inc.
+   Copyright (C) 2007-2026 Free Software Foundation, Inc.
 
    This 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/unistdio/test-unistdio-h.c b/tests/unistdio/test-unistdio-h.c
new file mode 100644
index 00000000..a4fef93f
--- /dev/null
+++ b/tests/unistdio/test-unistdio-h.c
@@ -0,0 +1,26 @@
+/* Test of <unistdio.h>.
+   Copyright (C) 2025-2026 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <unistdio.h>
+
+int
+main (void)
+{
+  return 0;
+}