104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/* $Id: compat_err.c,v 1.5 2020/06/15 01:37:14 schwarze Exp $ */
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/*
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* Copyright (c) 1993
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* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "config.h"
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void vwarni(const char *, va_list);
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static void vwarnxi(const char *, va_list);
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static void
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vwarnxi(const char *fmt, va_list ap)
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{
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fprintf(stderr, "%s: ", getprogname());
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if (fmt != NULL)
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vfprintf(stderr, fmt, ap);
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}
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static void
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vwarni(const char *fmt, va_list ap)
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{
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int sverrno;
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sverrno = errno;
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vwarnxi(fmt, ap);
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if (fmt != NULL)
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fputs(": ", stderr);
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fprintf(stderr, "%s\n", strerror(sverrno));
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}
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void
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err(int eval, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarni(fmt, ap);
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va_end(ap);
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exit(eval);
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}
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void
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errx(int eval, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnxi(fmt, ap);
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va_end(ap);
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fputc('\n', stderr);
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exit(eval);
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}
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void
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warn(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarni(fmt, ap);
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va_end(ap);
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}
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void
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warnx(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnxi(fmt, ap);
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va_end(ap);
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fputc('\n', stderr);
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}
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