100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/* $NetBSD: tempnam.c,v 1.13 1998/11/15 17:19:53 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
#if 0
|
|
static char sccsid[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93";
|
|
#else
|
|
__RCSID("$NetBSD: tempnam.c,v 1.13 1998/11/15 17:19:53 christos Exp $");
|
|
#endif
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "namespace.h"
|
|
#include <sys/param.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <paths.h>
|
|
#include "local.h"
|
|
|
|
__warn_references(tempnam,
|
|
"warning: tempnam() possibly used unsafely, use mkstemp() or mkdtemp()")
|
|
|
|
char *
|
|
tempnam(dir, pfx)
|
|
const char *dir, *pfx;
|
|
{
|
|
int sverrno;
|
|
char *f, *name;
|
|
|
|
if (!(name = malloc(MAXPATHLEN)))
|
|
return(NULL);
|
|
|
|
if (!pfx)
|
|
pfx = "tmp.";
|
|
|
|
if ((f = getenv("TMPDIR")) != NULL) {
|
|
(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXXX", f,
|
|
*(f + strlen(f) - 1) == '/'? "": "/", pfx);
|
|
if ((f = _mktemp(name)) != NULL)
|
|
return(f);
|
|
}
|
|
|
|
if ((/* LINTED */f = (char *)dir) != NULL) {
|
|
(void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXXX", f,
|
|
*(f + strlen(f) - 1) == '/'? "": "/", pfx);
|
|
if ((f = _mktemp(name)) != NULL)
|
|
return(f);
|
|
}
|
|
|
|
f = P_tmpdir;
|
|
(void)snprintf(name, MAXPATHLEN, "%s%sXXXXXXX", f, pfx);
|
|
if ((f = _mktemp(name)) != NULL)
|
|
return(f);
|
|
|
|
f = _PATH_TMP;
|
|
(void)snprintf(name, MAXPATHLEN, "%s%sXXXXXXX", f, pfx);
|
|
if ((f = _mktemp(name)) != NULL)
|
|
return(f);
|
|
|
|
sverrno = errno;
|
|
free(name);
|
|
errno = sverrno;
|
|
return(NULL);
|
|
}
|