| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License, Version 1.0 only |
| * (the "License"). You may not use this file except in compliance |
| * with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| /* |
| * Copyright 2004 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| |
| |
| |
| #include "libuutil_common.h" |
| |
| #include <sys/time.h> |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <limits.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| |
| #ifdef _LP64 |
| #define TMPPATHFMT "%s/uu%ld" |
| #else /* _LP64 */ |
| #define TMPPATHFMT "%s/uu%lld" |
| #endif /* _LP64 */ |
| |
| /*ARGSUSED*/ |
| int |
| uu_open_tmp(const char *dir, uint_t uflags) |
| { |
| int f; |
| char *fname = uu_zalloc(PATH_MAX); |
| |
| if (fname == NULL) |
| return (-1); |
| |
| for (;;) { |
| (void) snprintf(fname, PATH_MAX, "%s/uu%lld", dir, gethrtime()); |
| |
| f = open(fname, O_CREAT | O_EXCL | O_RDWR, 0600); |
| |
| if (f >= 0 || errno != EEXIST) |
| break; |
| } |
| |
| if (f >= 0) |
| (void) unlink(fname); |
| |
| uu_free(fname); |
| |
| return (f); |
| } |