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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1989 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984 AT&T */ 28 /* All Rights Reserved */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.2 */ 31 32 /*LINTLIBRARY*/ 33 #include <stdio.h> 34 35 extern char *mktemp(), *strcpy(), *strcat(); 36 static char str[L_tmpnam], seed[] = { 'a', 'a', 'a', '\0' }; 37 38 char * 39 tmpnam(s) 40 char *s; 41 { 42 register char *p, *q; 43 register int cnt = 0; 44 45 p = (s == NULL)? str: s; 46 (void) strcpy(p, P_tmpdir); 47 (void) strcat(p, seed); 48 (void) strcat(p, "XXXXXX"); 49 50 q = seed; 51 while(*q == 'z') { 52 *q++ = 'a'; 53 cnt++; 54 } 55 if (cnt < 3) 56 ++*q; 57 58 (void) mktemp(p); 59 return(p); 60 } 61