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git.saurik.com Git - apple/libc.git/blob - stdio/tempnam-fbsd.c
83b45753e04356b9b2bfe3a63cb4b68f1104e405
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #if defined(LIBC_SCCS) && !defined(lint)
35 static char sccsid
[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93";
36 #endif /* LIBC_SCCS and not lint */
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD: src/lib/libc/stdio/tempnam.c,v 1.10 2002/03/22 21:53:04 obrien Exp $");
40 #include <sys/param.h>
49 __warn_references(tempnam
,
50 "warning: tempnam() possibly used unsafely; consider using mkstemp()");
52 extern char *_mktemp(char *);
56 const char *dir
, *pfx
;
63 #endif /* __DARWIN_UNIX03 */
64 if (!(name
= malloc(MAXPATHLEN
))) {
72 if (issetugid() == 0 && (f
= getenv("TMPDIR"))) {
73 (void)snprintf(name
, MAXPATHLEN
, "%s%s%sXXXXXX", f
,
74 *(f
+ strlen(f
) - 1) == '/'? "": "/", pfx
);
75 if ((f
= _mktemp(name
))) {
79 #endif /* !__DARWIN_UNIX03 */
80 if ((f
= (char *)dir
)) {
82 if (!access(dir
, W_OK
)) {
83 #endif /* __DARWIN_UNIX03 */
84 (void)snprintf(name
, MAXPATHLEN
, "%s%s%sXXXXXX", f
,
85 *(f
+ strlen(f
) - 1) == '/'? "": "/", pfx
);
86 if ((f
= _mktemp(name
))) {
91 #endif /* __DARWIN_UNIX03 */
96 if (stat(f
, &sb
) == 0) { /* directory accessible? */
97 #endif /* __DARWIN_UNIX03 */
98 (void)snprintf(name
, MAXPATHLEN
, "%s%sXXXXXX", f
, pfx
);
99 if ((f
= _mktemp(name
))) {
105 #endif /* __DARWIN_UNIX03 */
108 if (stat(f
, &sb
) < 0) {
109 f
= "./"; /* directory inaccessible */
111 #endif /* __DARWIN_UNIX03 */
112 (void)snprintf(name
, MAXPATHLEN
, "%s%sXXXXXX", f
, pfx
);
113 if ((f
= _mktemp(name
))) {