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authorJakub Jelinek <jakub@redhat.com>2005-03-03 13:34:35 +0000
committerJakub Jelinek <jakub@redhat.com>2005-03-03 13:34:35 +0000
commitd0fec8d06cc2234c8114b51f630466eff9d5f841 (patch)
tree223a7fdae69137bd5670e59249442bc6a2db1ad1 /debug/readlink_chk.c
parent00e4559b612f179492ff3721f86c92498894432f (diff)
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Updated to fedora-glibc-20050302T1820
Diffstat (limited to 'debug/readlink_chk.c')
-rw-r--r--debug/readlink_chk.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/debug/readlink_chk.c b/debug/readlink_chk.c
new file mode 100644
index 0000000000..ac18ee2c29
--- /dev/null
+++ b/debug/readlink_chk.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <unistd.h>
+#include <sys/param.h>
+#ifdef HAVE_INLINED_SYSCALLS
+# include <errno.h>
+# include <sysdep.h>
+#endif
+
+
+ssize_t
+__readlink_chk (const char *path, void *buf, size_t len, size_t buflen)
+{
+  if (len > buflen)
+    __chk_fail ();
+
+#ifdef HAVE_INLINED_SYSCALLS
+  return INLINE_SYSCALL (readlink, 3, path, buf, len);
+#else
+  return __readlink (path, buf, len);
+#endif
+}