glibc/misc/mkstemps.c

46 lines
1.4 KiB
C

/* Copyright (C) 2009-2017 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
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef __GT_FILE
# define __GT_FILE 0
#endif
/* Generate a unique temporary file name from TEMPLATE. The last six
characters before a suffix of length SUFFIXLEN of TEMPLATE must be
"XXXXXX"; they are replaced with a string that makes the filename
unique. Then open the file and return a fd. */
int
mkstemps (char *template, int suffixlen)
{
if (suffixlen < 0)
{
__set_errno (EINVAL);
return -1;
}
return __gen_tempname (template, suffixlen, 0, __GT_FILE);
}
#if !defined O_LARGEFILE || O_LARGEFILE == 0
weak_alias (mkstemps, mkstemps64)
#endif