11475Scasper /* 21475Scasper * CDDL HEADER START 31475Scasper * 41475Scasper * The contents of this file are subject to the terms of the 51475Scasper * Common Development and Distribution License (the "License"). 61475Scasper * You may not use this file except in compliance with the License. 71475Scasper * 81475Scasper * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 91475Scasper * or http://www.opensolaris.org/os/licensing. 101475Scasper * See the License for the specific language governing permissions 111475Scasper * and limitations under the License. 121475Scasper * 131475Scasper * When distributing Covered Code, include this CDDL HEADER in each 141475Scasper * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 151475Scasper * If applicable, add the following below this CDDL HEADER, with the 161475Scasper * fields enclosed by brackets "[]" replaced with your own identifying 171475Scasper * information: Portions Copyright [yyyy] [name of copyright owner] 181475Scasper * 191475Scasper * CDDL HEADER END 201475Scasper */ 211475Scasper 221475Scasper /* 23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 241475Scasper * Use is subject to license terms. 251475Scasper */ 261475Scasper 271475Scasper #pragma ident "%Z%%M% %I% %E% SMI" 281475Scasper 291475Scasper /* 301475Scasper * mkdtemp(3C) - create a directory with a unique name. 311475Scasper */ 321475Scasper 33*6812Sraf #include "lint.h" 341475Scasper #include <alloca.h> 351475Scasper #include <errno.h> 361475Scasper #include <stdlib.h> 371475Scasper #include <string.h> 381475Scasper #include <sys/stat.h> 391475Scasper 401475Scasper char * 411475Scasper mkdtemp(char *template) 421475Scasper { 431475Scasper char *t = alloca(strlen(template) + 1); 441475Scasper char *r; 451475Scasper 461475Scasper /* Save template */ 471475Scasper (void) strcpy(t, template); 48*6812Sraf for (;;) { 491475Scasper r = mktemp(template); 501475Scasper 511475Scasper if (*r == '\0') 521475Scasper return (NULL); 531475Scasper 541475Scasper if (mkdir(template, 0700) == 0) 551475Scasper return (r); 561475Scasper 571475Scasper /* Other errors indicate persistent conditions. */ 581475Scasper if (errno != EEXIST) 591475Scasper return (NULL); 601475Scasper 611475Scasper /* Reset template */ 621475Scasper (void) strcpy(template, t); 631475Scasper } 641475Scasper } 65