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 /* Copyright (c) 1984 AT&T */ 23 /* All Rights Reserved */ 24 25 #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.3 */ 26 27 /*LINTLIBRARY*/ 28 /* 29 * tmpfile - return a pointer to an update file that can be 30 * used for scratch. The file will automatically 31 * go away if the program using it terminates. 32 */ 33 #include <stdio.h> 34 35 extern FILE *fopen(); 36 extern int unlink(); 37 extern char *tmpnam(); 38 extern void perror(); 39 40 FILE * 41 tmpfile() 42 { 43 char tfname[L_tmpnam]; 44 register FILE *p; 45 46 (void) tmpnam(tfname); 47 if((p = fopen(tfname, "w+")) == NULL) 48 return NULL; 49 else 50 (void) unlink(tfname); 51 return(p); 52 } 53