/* Invoke dup, but avoid some glitches.
- Copyright (C) 2001, 2004, 2005, 2006, 2009 Free Software
- Foundation, Inc.
+ Copyright (C) 2001, 2004-2006, 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "unistd-safer.h"
#include <fcntl.h>
-
#include <unistd.h>
/* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or
int
dup_safer (int fd)
{
-#if defined F_DUPFD && !REPLACE_FCHDIR
return fcntl (fd, F_DUPFD, STDERR_FILENO + 1);
-#else
- /* fd_safer calls us back, but eventually the recursion unwinds and
- does the right thing. */
- return fd_safer (dup (fd));
-#endif
}