(M68*:*:R3V[567]*:*): Use uppercase 'M'.
[glibc.git] / stdio-common / tmpfile.c
blob2cc03d6b89e42eeea79b09144d45af313938f8ed
1 /* Copyright (C) 1991, 1993, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <stdio.h>
22 /* This returns a new stream opened on a temporary file (generated
23 by tmpnam) The file is opened with mode "w+b" (binary read/write).
24 If we couldn't generate a unique filename or the file couldn't
25 be opened, NULL is returned. */
26 FILE *
27 tmpfile ()
29 char buf[FILENAME_MAX];
30 char *filename;
31 FILE *f;
33 filename = __stdio_gen_tempname (buf, sizeof (buf), (char *) NULL, "tmpf", 0,
34 (size_t *) NULL, &f);
35 if (filename == NULL)
36 return NULL;
38 /* Note that this relies on the Unix semantics that
39 a file is not really removed until it is closed. */
40 (void) remove (filename);
42 return f;