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 2006 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 /* 30 * mkdtemp(3C) - create a directory with a unique name. 31 */ 32 33 #pragma weak mkdtemp = _mkdtemp 34 35 #include "synonyms.h" 36 37 #include <alloca.h> 38 #include <errno.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <sys/stat.h> 42 43 char * 44 mkdtemp(char *template) 45 { 46 char *t = alloca(strlen(template) + 1); 47 char *r; 48 49 /* Save template */ 50 (void) strcpy(t, template); 51 for (; ; ) { 52 r = mktemp(template); 53 54 if (*r == '\0') 55 return (NULL); 56 57 if (mkdir(template, 0700) == 0) 58 return (r); 59 60 /* Other errors indicate persistent conditions. */ 61 if (errno != EEXIST) 62 return (NULL); 63 64 /* Reset template */ 65 (void) strcpy(template, t); 66 } 67 } 68