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authorJakub Jelinek <jakub@redhat.com>2005-01-06 22:18:46 +0000
committerJakub Jelinek <jakub@redhat.com>2005-01-06 22:18:46 +0000
commite7cbcee4982d8caa809a91c9cfef5fda67445f0a (patch)
treef3bd1fe9ebe4f9bc6e776d531cd1d8852a7b5bae /misc/sys
parentf19db0eaff4a01856f67d58e2a07dbf63f8d132f (diff)
Updated to fedora-glibc-20050106T2203cvs/fedora-glibc-2_3_4-5
Diffstat (limited to 'misc/sys')
-rw-r--r--misc/sys/cdefs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 475cf62961..6ac21013cc 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -255,6 +255,14 @@
# define __nonnull(params)
#endif
+/* If fortification mode, we warn about unused results of certain
+ function calls which can lead to problems. */
+#if __GNUC_PREREQ (3,4) && __USE_FORTIFY_LEVEL > 0
+# define __wur __attribute__ ((__warn_unused_result__))
+#else
+# define __wur /* Ignore */
+#endif
+
/* It is possible to compile containing GCC extensions even if GCC is
run in pedantic mode if the uses are carefully marked using the
`__extension__' keyword. But this is not generally available before