155682Smarkm/* 255682Smarkm * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H�gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 555682Smarkm * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 955682Smarkm * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1455682Smarkm * notice, this list of conditions and the following disclaimer in the 1555682Smarkm * documentation and/or other materials provided with the distribution. 1655682Smarkm * 1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors 1855682Smarkm * may be used to endorse or promote products derived from this software 1955682Smarkm * without specific prior written permission. 2055682Smarkm * 2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455682Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155682Smarkm * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#ifdef HAVE_CONFIG_H 3555682Smarkm#include <config.h> 3655682Smarkm#endif 3755682Smarkm 3855682Smarkm#include <string.h> 3955682Smarkm#ifdef HAVE_UNISTD_H 4055682Smarkm#include <unistd.h> 4155682Smarkm#endif 4255682Smarkm#ifdef HAVE_FCNTL_H 4355682Smarkm#include <fcntl.h> 4455682Smarkm#endif 4555682Smarkm#include <errno.h> 4655682Smarkm 47178825SdfrRCSID("$Id: mkstemp.c 14773 2005-04-12 11:29:18Z lha $"); 4855682Smarkm 4955682Smarkm#ifndef HAVE_MKSTEMP 5055682Smarkm 51178825Sdfrint ROKEN_LIB_FUNCTION 5255682Smarkmmkstemp(char *template) 5355682Smarkm{ 5455682Smarkm int start, i; 5555682Smarkm pid_t val; 5655682Smarkm val = getpid(); 5755682Smarkm start = strlen(template) - 1; 5855682Smarkm while(template[start] == 'X') { 5955682Smarkm template[start] = '0' + val % 10; 6055682Smarkm val /= 10; 6155682Smarkm start--; 6255682Smarkm } 6355682Smarkm 6455682Smarkm do{ 6555682Smarkm int fd; 6655682Smarkm fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600); 6755682Smarkm if(fd >= 0 || errno != EEXIST) 6855682Smarkm return fd; 6955682Smarkm i = start + 1; 7055682Smarkm do{ 7155682Smarkm if(template[i] == 0) 7255682Smarkm return -1; 7355682Smarkm template[i]++; 7455682Smarkm if(template[i] == '9' + 1) 7555682Smarkm template[i] = 'a'; 7655682Smarkm if(template[i] <= 'z') 7755682Smarkm break; 7855682Smarkm template[i] = 'a'; 7955682Smarkm i++; 8055682Smarkm }while(1); 8155682Smarkm }while(1); 8255682Smarkm} 8355682Smarkm 8455682Smarkm#endif 85