glibc/misc/mktemp.c

36 lines
1.3 KiB
C

/* Copyright (C) 1998, 1999, 2000, 2007, 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
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 <stdio.h>
#include <stdlib.h>
/* Generate a unique temporary file name from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
they are replaced with a string that makes the filename unique. */
char *
mktemp (template)
char *template;
{
if (__gen_tempname (template, 0, 0, __GT_NOCREATE) < 0)
/* We return the null string if we can't find a unique file name. */
template[0] = '\0';
return template;
}
link_warning (mktemp, "the use of `mktemp' is dangerous, better use `mkstemp'")