maint: update copyright

[gnulib.git] / lib / xvasprintf.h

diff --git a/lib/xvasprintf.h b/lib/xvasprintf.h
index b371251..407a5e0 100644 (file)
--- a/lib/xvasprintf.h
+++ b/lib/xvasprintf.h
@@ -1,5 +1,5 @@
 /* vasprintf and asprintf with out-of-memory checking.
-   Copyright (C) 2002-2004, 2006-2007 Free Software Foundation, Inc.
+   Copyright (C) 2002-2004, 2006-2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,17 +20,16 @@
 /* Get va_list.  */
 #include <stdarg.h>
 
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
-#  define __attribute__(Spec) /* empty */
-# endif
-/* The __-protected variants of `format' and `printf' attributes
-   are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
-#  define __format__ format
-#  define __printf__ printf
-# endif
+/* The __attribute__ feature is available in gcc versions 2.5 and later.
+   The __-protected variants of the attributes 'format' and 'printf' are
+   accepted by gcc versions 2.6.4 (effectively 2.7) and later.
+   We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
+   gnulib and libintl do '#define printf __printf__' when they override
+   the 'printf' function.  */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
+#else
+# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
 #endif
 
 #ifdef __cplusplus
@@ -45,9 +44,9 @@ extern "C" {
      - [EILSEQ] error during conversion between wide and multibyte characters,
    return NULL.  */
 extern char *xasprintf (const char *format, ...)
-       __attribute__ ((__format__ (__printf__, 1, 2)));
+       _GL_ATTRIBUTE_FORMAT ((__printf__, 1, 2));
 extern char *xvasprintf (const char *format, va_list args)
-       __attribute__ ((__format__ (__printf__, 1, 0)));
+       _GL_ATTRIBUTE_FORMAT ((__printf__, 1, 0));
 
 #ifdef __cplusplus
 }