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 #pragma ident "%Z%%M% %I% %E% SMI" 23 24 /* 25 * Copyright 1989-2003 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #include <stdio.h> 30 #include <stdarg.h> 31 #include <errno.h> 32 33 #define NO_PERROR 0 34 #define PERROR 1 35 36 char *progname; 37 38 void 39 setprogname(char *name) 40 { 41 register char *p = name, c; 42 43 if (p) 44 while (c = *p++) 45 if (c == '/') 46 name = p; 47 48 progname = name; 49 } 50 51 /* _error([no_perror, ] fmt [, arg ...]) */ 52 /*VARARGS*/ 53 int 54 _error(int do_perror, char *fmt, ...) 55 { 56 int saved_errno; 57 va_list ap; 58 59 saved_errno = errno; 60 61 /* 62 * flush all buffers 63 */ 64 (void) fflush(NULL); 65 if (progname) 66 (void) fprintf(stderr, "%s: ", progname); 67 68 va_start(ap, fmt); 69 (void) vfprintf(stderr, fmt, ap); 70 va_end(ap); 71 72 if (do_perror == NO_PERROR) 73 (void) fprintf(stderr, "\n"); 74 else { 75 (void) fprintf(stderr, ": "); 76 errno = saved_errno; 77 perror(""); 78 } 79 80 return (1); 81 } 82