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 (c) 1996, by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* 28 * Copyright 1993 by Mortice Kern Systems Inc. All rights reserved. 29 * 30 */ 31 32 #ifdef M_RCSID 33 #ifndef lint 34 static char rcsID[] = "$Id: m_errorx.c 1.9 1995/02/08 15:03:16 rob Exp $"; 35 #endif 36 #endif 37 38 #include <mks.h> 39 #include <errno.h> 40 #include <string.h> 41 42 #ifndef ERRORFN 43 44 #define ERRORFN m_errorexit 45 #define DONE exit(1) 46 47 /* Default error msg routine in library */ 48 M_ERROR(m_errorexit); 49 50 #endif /* ERRORFN */ 51 52 /*f 53 * Print error message with command name and trailing newline. 54 * Leading ! indicates format errno on the end. 55 * The value of errno is restored on completion. 56 */ 57 void 58 ERRORFN(const char *fmt, va_list args) 59 { 60 int saveerrno = errno; 61 int syserr = 0; 62 63 if (_cmdname != NULL) 64 fprintf(stderr, "%s: ", _cmdname); 65 fmt = m_strmsg(fmt); 66 if (*fmt == '!') { 67 fmt++; 68 syserr++; 69 } 70 vfprintf(stderr, fmt, args); 71 if (syserr) { 72 char *str; 73 74 /* Do eprintf-like stuff */ 75 str = strerror(saveerrno); 76 if (*str == '\0') 77 fprintf(stderr, ": errno = %d", saveerrno); 78 else 79 fprintf(stderr,": %s", str); 80 } 81 fputc('\n', stderr); 82 errno = saveerrno; 83 DONE; 84 } 85 86 87