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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * MKS library 31 * Copyright 1985, 1992 by Mortice Kern Systems Inc. All rights reserved. 32 * 33 */ 34 #ifdef M_RCSID 35 #ifndef lint 36 static char rcsID[] = "$Header: /rd/src/libc/gen/rcs/eprintf.c 1.17 1994/06/17 19:42:34 hilary Exp $"; 37 #endif 38 #endif 39 40 #include <mks.h> 41 #include <stdio.h> 42 #include <stdarg.h> 43 #include <errno.h> 44 #include <string.h> 45 46 char *_cmdname; 47 48 /*f 49 * print error message followed by errno value. 50 * The value of errno is guaranteed to be restored on exit. 51 */ 52 /* VARARGS0 */ 53 LDEFN int 54 eprintf VARARG1(const char *, fmt) 55 { 56 va_list args; 57 register int saveerrno = errno; 58 register int nprf = 0; 59 char *str; 60 61 if (_cmdname != NULL) 62 nprf += fprintf(stderr, "%s: ", _cmdname); 63 va_start(args, fmt); 64 nprf += vfprintf(stderr, fmt, args); 65 va_end(args); 66 str = strerror(saveerrno); 67 if (*str == '\0') 68 nprf += fprintf(stderr, ": error %d\n", saveerrno); 69 else 70 nprf += fprintf(stderr,": %s\n", str); 71 errno = saveerrno; 72 return (nprf); 73 } 74