* posix/bits/unistd.h (__readlinkat_chk): New prototype.

	(__readlinkat_alias): New alias.
	(readlinkat): New inline function.
	* include/unistd.h (readlinkat): Add libc_hidden_proto.
	* sysdeps/unix/sysv/linux/readlinkat.c (readlinkat): Add
	libc_hidden_def.
	* io/readlinkat.c (readlinkat): Likewise.
	* debug/readlinkat_chk.c: New file.
	* debug/Makefile (routines): Add readlinkat_chk.
	* debug/Versions (libc): Export __readlinkat_chk@@GLIBC_2.5.
	* debug/tst-chk1.c (do_test): Add readlinkat tests.

	* nis/nss_nisplus/nisplus-netgrp.c: Cleanups.
	code is possible.  Move compatibility code in .text.compat section.
	over gaih array.  There is only one function to call in the moment.

1 files changed, 3 insertions, 0 deletions

diff --git a/debug/Versions b/debug/Versions
index 683eb17d09..5c87af27c1 100644
--- a/debug/Versions
+++ b/debug/Versions
@@ -36,4 +36,7 @@ libc {
 
     __stack_chk_fail;
   }
+  GLIBC_2.5 {
+    __readlinkat_chk;
+  }
 }