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Diffstat (limited to 'sysdeps/unix/sysv/linux/mkdirat.c')
-rw-r--r--sysdeps/unix/sysv/linux/mkdirat.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/mkdirat.c b/sysdeps/unix/sysv/linux/mkdirat.c
index 3c190085ce..aa89d08730 100644
--- a/sysdeps/unix/sysv/linux/mkdirat.c
+++ b/sysdeps/unix/sysv/linux/mkdirat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2006, 2009 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
@@ -57,6 +57,12 @@ mkdirat (fd, file, mode)
if (fd != AT_FDCWD && file[0] != '/')
{
size_t filelen = strlen (file);
+ if (__builtin_expect (filelen == 0, 0))
+ {
+ __set_errno (ENOENT);
+ return -1;
+ }
+
static const char procfd[] = "/proc/self/fd/%d/%s";
/* Buffer for the path name we are going to use. It consists of
- the string /proc/self/fd/