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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 /* 27 * mkdtemp(3C) - create a directory with a unique name. 28 */ 29 30 #include "lint.h" 31 #include <errno.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <sys/stat.h> 35 36 char * 37 mkdtemp(char *template) 38 { 39 char *t; 40 char *r; 41 42 /* Save template */ 43 t = strdupa(template); 44 for (;;) { 45 r = mktemp(template); 46 47 if (*r == '\0') 48 return (NULL); 49 50 if (mkdir(template, 0700) == 0) 51 return (r); 52 53 /* Other errors indicate persistent conditions. */ 54 if (errno != EEXIST) 55 return (NULL); 56 57 /* Reset template */ 58 (void) strcpy(template, t); 59 } 60 } 61