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/* Copyright (C) 1991, 1993, 1996, 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include <unistd.h>
#ifdef _USE_IN_LIBIO
# define fdopen _IO_new_fdopen
#endif
/* This returns a new stream opened on a temporary file (generated
by tmpnam) The file is opened with mode "w+b" (binary read/write).
If we couldn't generate a unique filename or the file couldn't
be opened, NULL is returned. */
FILE *
tmpfile ()
{
char buf[FILENAME_MAX];
int fd;
FILE *f;
if (__path_search (buf, FILENAME_MAX, NULL, "tmpf"))
return NULL;
if ((fd = __gen_tempname (buf, 1, 0)) < 0)
return NULL;
/* Note that this relies on the Unix semantics that
a file is not really removed until it is closed. */
(void) remove (buf);
if ((f = fdopen (fd, "w+b")) == NULL)
close (fd);
return f;
}
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