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 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