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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)tempnam.c 8.1 (Berkeley) 6/4/93
30 * $FreeBSD: src/lib/libc/stdio/tempnam.c,v 1.11 2007/01/09 00:28:07 imp Exp $
31 * $DragonFly: src/lib/libc/stdio/tempnam.c,v 1.5 2005/11/20 11:07:30 swildner Exp $
34 #include <sys/param.h>
42 __warn_references(tempnam
,
43 "warning: tempnam() possibly used unsafely; consider using mkstemp()");
45 extern char *_mktemp(char *);
48 tempnam(const char *dir
, const char *pfx
)
53 if (!(name
= malloc(MAXPATHLEN
)))
59 if (issetugid() == 0 && (f
= getenv("TMPDIR"))) {
60 snprintf(name
, MAXPATHLEN
, "%s%s%sXXXXXX", f
,
61 *(f
+ strlen(f
) - 1) == '/'? "": "/", pfx
);
62 if ((f
= _mktemp(name
)))
66 if ((f
= (char *)dir
)) {
67 snprintf(name
, MAXPATHLEN
, "%s%s%sXXXXXX", f
,
68 *(f
+ strlen(f
) - 1) == '/'? "": "/", pfx
);
69 if ((f
= _mktemp(name
)))
74 snprintf(name
, MAXPATHLEN
, "%s%sXXXXXX", f
, pfx
);
75 if ((f
= _mktemp(name
)))
79 snprintf(name
, MAXPATHLEN
, "%s%sXXXXXX", f
, pfx
);
80 if ((f
= _mktemp(name
)))