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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 <features.h>

#include <stdio.h>

#include <unistd.h>

#include "../misc/internals/tempname.h"

/* 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 (void)

{

    char buf[FILENAME_MAX];

    int fd;

    FILE *f;

    if (__path_search (buf, FILENAME_MAX, NULL, "tmpf", 0))

        return NULL;

    fd = __gen_tempname (buf, __GT_FILE);

    if (fd < 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;

}

#ifdef __UCLIBC_HAS_LFS__

weak_alias(tmpfile, tmpfile64);

#endif