106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/* $NetBSD: error.c,v 1.1.1.1 1996/01/07 21:50:49 leo Exp $ */
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/*
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* Copyright (c) 1995 Waldi Ravens.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Waldi Ravens.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <osbind.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "libtos.h"
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static void errmsg PROTO((int, char *, va_list));
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const char *program_name;
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void
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init_toslib(arg0)
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char *arg0;
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{
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char *p;
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if (isatty(STDERR_FILENO) && (!*arg0 || !getenv("STDERR")))
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Fforce(STDERR_FILENO, -1);
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if (!(p = strrchr(arg0, '/')))
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p = strrchr(arg0, '\\');
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program_name = p ? ++p : arg0;
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}
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void
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error(err, frm)
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int err;
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char *frm;
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{
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va_list args;
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va_start(args, frm);
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errmsg(err, frm, args);
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va_end(args);
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}
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void
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fatal(err, frm)
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int err;
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char *frm;
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{
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va_list args;
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va_start(args, frm);
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errmsg(err, frm, args);
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va_end(args);
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xexit(EXIT_FAILURE);
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}
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static void
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errmsg(err, frm, args)
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int err;
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char *frm;
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va_list args;
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{
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extern const char *program_name;
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eprintf("%s: ", program_name);
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veprintf(frm, args);
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if (err != -1) {
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char *es = strerror(err);
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if (es)
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eprintf(": %s", es);
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else
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eprintf(": unknown error %d", err);
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}
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eprintf("\n");
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}
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