diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/unlinkat.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/unlinkat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/unlinkat.c b/sysdeps/unix/sysv/linux/unlinkat.c index 0a07a8a875..bb5f89810b 100644 --- a/sysdeps/unix/sysv/linux/unlinkat.c +++ b/sysdeps/unix/sysv/linux/unlinkat.c @@ -1,5 +1,5 @@ /* unlinkat -- Remove a link by relative name. - 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 @@ -64,6 +64,12 @@ unlinkat (fd, file, flag) 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/ |