summaryrefslogtreecommitdiff
path: root/lib/hash.h
diff options
context:
space:
mode:
authorBruno Haible <bruno@clisp.org>2011-02-13 23:21:20 +0100
committerBruno Haible <bruno@clisp.org>2011-02-15 02:31:02 +0100
commitf6a5a124d0cb326acd4dfa9ce3276baa26734b16 (patch)
tree51c769d136f2dc11801b2191686cd03955c2d82b /lib/hash.h
parente7a3c769e98d9054d3d9f6983e678397b0b7cb94 (diff)
downloadgnulib-f6a5a124d0cb326acd4dfa9ce3276baa26734b16.tar.gz
Don't interfere with a program's definition of __attribute__.
* lib/argp.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (argp_error, __argp_error, argp_failure, __argp_failure): Use it. * lib/argp-fmtstream.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (__argp_fmtstream_printf, argp_fmtstream_printf): Use it. * lib/argp-help.c (hol_entry_long_iterate): Use __attribute__ only for GCC 3 or newer. * lib/error.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (error, error_at_line): Use it. * lib/hash.h (__attribute__): Remove definition. (ATTRIBUTE_WUR): Update definition. Define always. * lib/openat.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/sigpipe-die.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/vasnprintf.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (asnprintf, vasnprintf): Use it. * lib/xalloc.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. (ATTRIBUTE_MALLOC, ATTRIBUTE_ALLOC_SIZE): Define always. * lib/xmemdup0.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/xprintf.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (xprintf, xvprintf, xfprintf, xvfprintf): Use it. * lib/xstrtol.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/xvasprintf.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (xasprintf, xvasprintf): Use it. * tests/test-argmatch.c (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * tests/test-exclude.c (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. Reported by Paul Eggert.
Diffstat (limited to 'lib/hash.h')
-rw-r--r--lib/hash.h13
1 files changed, 5 insertions, 8 deletions
diff --git a/lib/hash.h b/lib/hash.h
index 9c2f5b781f..19671f68d4 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -27,15 +27,12 @@
# include <stdio.h>
# include <stdbool.h>
-/* The warn_unused_result attribute appeared first in gcc-3.4.0 */
-# ifndef __attribute__
-# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
-# define __attribute__(x)
-# endif
-# endif
-
-# ifndef ATTRIBUTE_WUR
+/* The __attribute__ feature is available in gcc versions 2.5 and later.
+ The warn_unused_result attribute appeared first in gcc-3.4.0. */
+# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
# define ATTRIBUTE_WUR __attribute__ ((__warn_unused_result__))
+# else
+# define ATTRIBUTE_WUR /* empty */
# endif
typedef size_t (*Hash_hasher) (const void *, size_t);