1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1984 AT&T */
23 /* All Rights Reserved */
24
25 #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.3 */
26
27 /*LINTLIBRARY*/
28 /*
29 * tmpfile - return a pointer to an update file that can be
30 * used for scratch. The file will automatically
31 * go away if the program using it terminates.
32 */
33 #include <stdio.h>
34
35 extern FILE *fopen();
36 extern int unlink();
37 extern char *tmpnam();
38 extern void perror();
39
40 FILE *
tmpfile()41 tmpfile()
42 {
43 char tfname[L_tmpnam];
44 register FILE *p;
45
46 (void) tmpnam(tfname);
47 if((p = fopen(tfname, "w+")) == NULL)
48 return NULL;
49 else
50 (void) unlink(tfname);
51 return(p);
52 }
53