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, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 #include "mail.h" 26 /* 27 Generic open routine. 28 Exits on error with passed error value. 29 Returns file pointer on success. 30 31 Note: This should be used only for critical files 32 as it will terminate mail(1) on failure. 33 */ 34 FILE * 35 doopen(char *file, char *type, int errnum) 36 { 37 static char pn[] = "doopen"; 38 FILE *fptr; 39 struct stat st; 40 41 if ((stat(file, &st) < 0 && errno == EOVERFLOW) || 42 (fptr = fopen(file, type)) == NULL) { 43 fprintf(stderr, 44 "%s: Can't open '%s' type: %s\n",program,file,type); 45 error = errnum; 46 sav_errno = errno; 47 Dout(pn, 0, "can't open '%s' type: %s\n",program,file,type); 48 Dout(pn, 0, "error set to %d\n", error); 49 done(0); 50 } 51 return(fptr); 52 } 53