1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include "libuutil_common.h"
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #include <sys/time.h>
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate #include <errno.h>
34*0Sstevel@tonic-gate #include <fcntl.h>
35*0Sstevel@tonic-gate #include <limits.h>
36*0Sstevel@tonic-gate #include <stdio.h>
37*0Sstevel@tonic-gate #include <unistd.h>
38*0Sstevel@tonic-gate
39*0Sstevel@tonic-gate #ifdef _LP64
40*0Sstevel@tonic-gate #define TMPPATHFMT "%s/uu%ld"
41*0Sstevel@tonic-gate #else /* _LP64 */
42*0Sstevel@tonic-gate #define TMPPATHFMT "%s/uu%lld"
43*0Sstevel@tonic-gate #endif /* _LP64 */
44*0Sstevel@tonic-gate
45*0Sstevel@tonic-gate /*ARGSUSED*/
46*0Sstevel@tonic-gate int
uu_open_tmp(const char * dir,uint_t uflags)47*0Sstevel@tonic-gate uu_open_tmp(const char *dir, uint_t uflags)
48*0Sstevel@tonic-gate {
49*0Sstevel@tonic-gate int f;
50*0Sstevel@tonic-gate char *fname = uu_zalloc(PATH_MAX);
51*0Sstevel@tonic-gate
52*0Sstevel@tonic-gate if (fname == NULL)
53*0Sstevel@tonic-gate return (-1);
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate for (;;) {
56*0Sstevel@tonic-gate (void) snprintf(fname, PATH_MAX, "%s/uu%lld", dir, gethrtime());
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate f = open(fname, O_CREAT | O_EXCL | O_RDWR, 0600);
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate if (f >= 0 || errno != EEXIST)
61*0Sstevel@tonic-gate break;
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate if (f >= 0)
65*0Sstevel@tonic-gate (void) unlink(fname);
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate uu_free(fname);
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate return (f);
70*0Sstevel@tonic-gate }
71