From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 12 Jul 2007 15:22:47 +0000 (+0000)
Subject: 2007-05-10  Ulrich Drepper  <drepper@redhat.com>
X-Git-Tag: cvs/fedora-glibc-2_5-20070712T1701~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acf33246a354dae234916567f4ec13ab7605f363;p=thirdparty%2Fglibc.git

2007-05-10  Ulrich Drepper  <drepper@redhat.com>

	* include/sys/cdefs.h: Redefine __nonnull so that test for
	incorrect parameters in the libc code itself are not omitted.
---

diff --git a/ChangeLog b/ChangeLog
index d0a7d682875..a54da6b92fe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-05-10  Ulrich Drepper  <drepper@redhat.com>
+
+	* include/sys/cdefs.h: Redefine __nonnull so that test for
+	incorrect parameters in the libc code itself are not omitted.
+
 2007-05-07  Ulrich Drepper  <drepper@redhat.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index 8ba980477d3..cd0750b4524 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -2,6 +2,12 @@
 
 #include <misc/sys/cdefs.h>
 
+/* The compiler will optimize based on the knowledge the parameter is
+   not NULL.  This will omit tests.  A robust implementation cannot allow
+   this so when compiling glibc itself we ignore this attribute.  */
+#undef __nonnull
+#define __nonnull(params)
+
 extern void __chk_fail (void) __attribute__ ((__noreturn__));
 libc_hidden_proto (__chk_fail)
 rtld_hidden_proto (__chk_fail)