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authorUlrich Drepper <drepper@redhat.com>2004-09-17 08:44:34 +0000
committerUlrich Drepper <drepper@redhat.com>2004-09-17 08:44:34 +0000
commit8a1f658bd783e625d947933b6603dbcedb31f75b (patch)
tree1e2bf5a9043e42bf3c51e9f0402e3c430e222cc4 /misc/sys/cdefs.h
parent5032f494227c2a080ed3034ef1b7490472fbafcc (diff)
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Update.
2004-09-17  Ulrich Drepper  <drepper@redhat.com>

	* misc/sys/cdefs.h: Define __nonnull using nonnull function attribute
	for gcc 3.3 and higher.
	* io/fcntl.h: Add __nonnull where appropriate.
	* io/ftw.h: Likewise.
	* io/utime.h: Likewise.
	* io/sys/poll.h: Likewise.
	* io/sys/sendfile.h: Likewise.
	* io/sys/stat.h: Likewise.
	* io/sys/statfs.h: Likewise.
	* io/sys/statvfs.h: Likewise.
	* posix/unistd.h: Likewise.
Diffstat (limited to 'misc/sys/cdefs.h')
-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 1a9b0e78a1..8894d0d5fc 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -242,6 +242,14 @@
 # define __attribute_format_strfmon__(a,b) /* Ignore */
 #endif
 
+/* The nonull function attribute allows to mark pointer parameters which
+   must not be NULL.  */
+#if __GNUC_PREREQ (3,3)
+# define __nonnull(params) __attribute__ ((__nonnull__ params))
+#else
+# define __nonnull(params)
+#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