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/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include "libuutil_common.h"
30
31#include <sys/time.h>
32
33#include <errno.h>
34#include <fcntl.h>
35#include <limits.h>
36#include <stdio.h>
37#include <unistd.h>
38
39#ifdef _LP64
40#define	TMPPATHFMT	"%s/uu%ld"
41#else /* _LP64 */
42#define	TMPPATHFMT	"%s/uu%lld"
43#endif /* _LP64 */
44
45/*ARGSUSED*/
46int
47uu_open_tmp(const char *dir, uint_t uflags)
48{
49	int f;
50	char *fname = uu_zalloc(PATH_MAX);
51
52	if (fname == NULL)
53		return (-1);
54
55	for (;;) {
56		(void) snprintf(fname, PATH_MAX, "%s/uu%lld", dir, gethrtime());
57
58		f = open(fname, O_CREAT | O_EXCL | O_RDWR, 0600);
59
60		if (f >= 0 || errno != EEXIST)
61			break;
62	}
63
64	if (f >= 0)
65		(void) unlink(fname);
66
67	uu_free(fname);
68
69	return (f);
70}
71