diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/renameat.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/renameat.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/renameat.c b/sysdeps/unix/sysv/linux/renameat.c index 86bb75a7b0..160bdc4903 100644 --- a/sysdeps/unix/sysv/linux/renameat.c +++ b/sysdeps/unix/sysv/linux/renameat.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 @@ -135,6 +135,12 @@ renameat (oldfd, old, newfd, new) if (oldfd != AT_FDCWD && old[0] != '/') { size_t filelen = strlen (old); + if (__builtin_expect (filelen == 0, 0)) + { + __set_errno (ENOENT); + return -1; + } + /* Buffer for the path name we are going to use. It consists of - the string /proc/self/fd/ - the file descriptor number @@ -154,6 +160,12 @@ renameat (oldfd, old, newfd, new) if (newfd != AT_FDCWD && new[0] != '/') { size_t filelen = strlen (new); + if (__builtin_expect (filelen == 0, 0)) + { + __set_errno (ENOENT); + return -1; + } + /* Buffer for the path name we are going to use. It consists of - the string /proc/self/fd/ - the file descriptor number |