00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/* $NetBSD: error.c,v 1.4 2014/12/10 04:37:59 christos Exp $ */
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/*
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* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1998-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Id: error.c,v 1.21 2007/06/19 23:47:17 tbox Exp */
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/*! \file */
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <isc/error.h>
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#include <isc/msgs.h>
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/*% Default unexpected callback. */
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static void
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default_unexpected_callback(const char *, int, const char *, va_list)
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ISC_FORMAT_PRINTF(3, 0);
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/*% Default fatal callback. */
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static void
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default_fatal_callback(const char *, int, const char *, va_list)
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ISC_FORMAT_PRINTF(3, 0);
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/*% unexpected_callback */
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static isc_errorcallback_t unexpected_callback = default_unexpected_callback;
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static isc_errorcallback_t fatal_callback = default_fatal_callback;
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void
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isc_error_setunexpected(isc_errorcallback_t cb) {
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if (cb == NULL)
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unexpected_callback = default_unexpected_callback;
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else
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unexpected_callback = cb;
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}
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void
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isc_error_setfatal(isc_errorcallback_t cb) {
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if (cb == NULL)
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fatal_callback = default_fatal_callback;
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else
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fatal_callback = cb;
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}
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void
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isc_error_unexpected(const char *file, int line, const char *format, ...) {
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va_list args;
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va_start(args, format);
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(unexpected_callback)(file, line, format, args);
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va_end(args);
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}
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void
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isc_error_fatal(const char *file, int line, const char *format, ...) {
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va_list args;
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va_start(args, format);
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(fatal_callback)(file, line, format, args);
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va_end(args);
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abort();
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}
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void
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isc_error_runtimecheck(const char *file, int line, const char *expression) {
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isc_error_fatal(file, line, "RUNTIME_CHECK(%s) %s", expression,
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isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
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ISC_MSG_FAILED, "failed"));
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}
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static void
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default_unexpected_callback(const char *file, int line, const char *format,
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va_list args)
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{
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fprintf(stderr, "%s:%d: ", file, line);
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vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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fflush(stderr);
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}
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static void
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default_fatal_callback(const char *file, int line, const char *format,
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va_list args)
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{
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fprintf(stderr, "%s:%d: %s: ", file, line,
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isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
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ISC_MSG_FATALERROR, "fatal error"));
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vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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fflush(stderr);
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}
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