1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1996, by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate * MKS library
29*7c478bd9Sstevel@tonic-gate * Copyright 1985, 1992 by Mortice Kern Systems Inc. All rights reserved.
30*7c478bd9Sstevel@tonic-gate *
31*7c478bd9Sstevel@tonic-gate */
32*7c478bd9Sstevel@tonic-gate #ifdef M_RCSID
33*7c478bd9Sstevel@tonic-gate #ifndef lint
34*7c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/gen/rcs/eprintf.c 1.17 1994/06/17 19:42:34 hilary Exp $";
35*7c478bd9Sstevel@tonic-gate #endif
36*7c478bd9Sstevel@tonic-gate #endif
37*7c478bd9Sstevel@tonic-gate
38*7c478bd9Sstevel@tonic-gate #include <mks.h>
39*7c478bd9Sstevel@tonic-gate #include <stdio.h>
40*7c478bd9Sstevel@tonic-gate #include <stdarg.h>
41*7c478bd9Sstevel@tonic-gate #include <errno.h>
42*7c478bd9Sstevel@tonic-gate #include <string.h>
43*7c478bd9Sstevel@tonic-gate
44*7c478bd9Sstevel@tonic-gate char *_cmdname;
45*7c478bd9Sstevel@tonic-gate
46*7c478bd9Sstevel@tonic-gate /*f
47*7c478bd9Sstevel@tonic-gate * print error message followed by errno value.
48*7c478bd9Sstevel@tonic-gate * The value of errno is guaranteed to be restored on exit.
49*7c478bd9Sstevel@tonic-gate */
50*7c478bd9Sstevel@tonic-gate /* VARARGS0 */
51*7c478bd9Sstevel@tonic-gate LDEFN int
VARARG1(const char *,fmt)52*7c478bd9Sstevel@tonic-gate eprintf VARARG1(const char *, fmt)
53*7c478bd9Sstevel@tonic-gate {
54*7c478bd9Sstevel@tonic-gate va_list args;
55*7c478bd9Sstevel@tonic-gate register int saveerrno = errno;
56*7c478bd9Sstevel@tonic-gate register int nprf = 0;
57*7c478bd9Sstevel@tonic-gate char *str;
58*7c478bd9Sstevel@tonic-gate
59*7c478bd9Sstevel@tonic-gate if (_cmdname != NULL)
60*7c478bd9Sstevel@tonic-gate nprf += fprintf(stderr, "%s: ", _cmdname);
61*7c478bd9Sstevel@tonic-gate va_start(args, fmt);
62*7c478bd9Sstevel@tonic-gate nprf += vfprintf(stderr, fmt, args);
63*7c478bd9Sstevel@tonic-gate va_end(args);
64*7c478bd9Sstevel@tonic-gate str = strerror(saveerrno);
65*7c478bd9Sstevel@tonic-gate if (*str == '\0')
66*7c478bd9Sstevel@tonic-gate nprf += fprintf(stderr, ": error %d\n", saveerrno);
67*7c478bd9Sstevel@tonic-gate else
68*7c478bd9Sstevel@tonic-gate nprf += fprintf(stderr,": %s\n", str);
69*7c478bd9Sstevel@tonic-gate errno = saveerrno;
70*7c478bd9Sstevel@tonic-gate return (nprf);
71*7c478bd9Sstevel@tonic-gate }
72