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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,
- see <http://www.gnu.org/licenses/>. */
- #include <features.h>
- #include <stdio.h>
- #include <sys/stat.h>
- #include <unistd.h>
- #include "../misc/internals/tempname.h"
- #include <not-cancel.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, 0, S_IRUSR | S_IWUSR);
- 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_not_cancel (fd);
- return f;
- }
- #ifdef __UCLIBC_HAS_LFS__
- strong_alias(tmpfile,tmpfile64)
- #endif
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