17c4dcc55Scasper /* 27c4dcc55Scasper * CDDL HEADER START 37c4dcc55Scasper * 47c4dcc55Scasper * The contents of this file are subject to the terms of the 57c4dcc55Scasper * Common Development and Distribution License (the "License"). 67c4dcc55Scasper * You may not use this file except in compliance with the License. 77c4dcc55Scasper * 87c4dcc55Scasper * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c4dcc55Scasper * or http://www.opensolaris.org/os/licensing. 107c4dcc55Scasper * See the License for the specific language governing permissions 117c4dcc55Scasper * and limitations under the License. 127c4dcc55Scasper * 137c4dcc55Scasper * When distributing Covered Code, include this CDDL HEADER in each 147c4dcc55Scasper * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c4dcc55Scasper * If applicable, add the following below this CDDL HEADER, with the 167c4dcc55Scasper * fields enclosed by brackets "[]" replaced with your own identifying 177c4dcc55Scasper * information: Portions Copyright [yyyy] [name of copyright owner] 187c4dcc55Scasper * 197c4dcc55Scasper * CDDL HEADER END 207c4dcc55Scasper */ 217c4dcc55Scasper 227c4dcc55Scasper /* 23*23a1cceaSRoger A. Faulkner * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 247c4dcc55Scasper */ 257c4dcc55Scasper 267c4dcc55Scasper /* 277c4dcc55Scasper * mkdtemp(3C) - create a directory with a unique name. 287c4dcc55Scasper */ 297c4dcc55Scasper 307257d1b4Sraf #include "lint.h" 317c4dcc55Scasper #include <errno.h> 327c4dcc55Scasper #include <stdlib.h> 337c4dcc55Scasper #include <string.h> 347c4dcc55Scasper #include <sys/stat.h> 357c4dcc55Scasper 367c4dcc55Scasper char * 377c4dcc55Scasper mkdtemp(char *template) 387c4dcc55Scasper { 39*23a1cceaSRoger A. Faulkner char *t; 407c4dcc55Scasper char *r; 417c4dcc55Scasper 427c4dcc55Scasper /* Save template */ 43*23a1cceaSRoger A. Faulkner t = strdupa(template); 447c4dcc55Scasper for (;;) { 457c4dcc55Scasper r = mktemp(template); 467c4dcc55Scasper 477c4dcc55Scasper if (*r == '\0') 487c4dcc55Scasper return (NULL); 497c4dcc55Scasper 507c4dcc55Scasper if (mkdir(template, 0700) == 0) 517c4dcc55Scasper return (r); 527c4dcc55Scasper 537c4dcc55Scasper /* Other errors indicate persistent conditions. */ 547c4dcc55Scasper if (errno != EEXIST) 557c4dcc55Scasper return (NULL); 567c4dcc55Scasper 577c4dcc55Scasper /* Reset template */ 587c4dcc55Scasper (void) strcpy(template, t); 597c4dcc55Scasper } 607c4dcc55Scasper } 61