diff options
Diffstat (limited to 'winsup/cygwin/fcntl.cc')
| -rw-r--r-- | winsup/cygwin/fcntl.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/winsup/cygwin/fcntl.cc b/winsup/cygwin/fcntl.cc index bb41f05c5..78ce36569 100644 --- a/winsup/cygwin/fcntl.cc +++ b/winsup/cygwin/fcntl.cc @@ -1,6 +1,7 @@ /* fcntl.cc: fcntl syscall - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2008 Red Hat, Inc. + Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2008, + 2009 Red Hat, Inc. This file is part of Cygwin. @@ -40,7 +41,7 @@ fcntl64 (int fd, int cmd, ...) switch (cmd) { case F_DUPFD: - if ((int) arg >= 0) + if ((int) arg >= 0 && (int) arg < OPEN_MAX_MAX) res = dup2 (fd, cygheap_fdnew (((int) arg) - 1)); else { |