119304Speter/* 219304Speter * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 319304Speter * Copyright (C) 1998-2001 Internet Software Consortium. 419304Speter * 519304Speter * Permission to use, copy, modify, and/or distribute this software for any 619304Speter * purpose with or without fee is hereby granted, provided that the above 719304Speter * copyright notice and this permission notice appear in all copies. 819304Speter * 919304Speter * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 1019304Speter * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 1119304Speter * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 1219304Speter * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13254225Speter * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 1419304Speter * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 1519304Speter * PERFORMANCE OF THIS SOFTWARE. 1619304Speter */ 1719304Speter 1819304Speter/* $Id: error.c,v 1.21 2007/06/19 23:47:17 tbox Exp $ */ 1919304Speter 2019304Speter/*! \file */ 2119304Speter 2219304Speter#include <config.h> 2319304Speter 2419304Speter#include <stdio.h> 2519304Speter#include <stdlib.h> 2619304Speter 2719304Speter#include <isc/error.h> 2819304Speter#include <isc/msgs.h> 2919304Speter 3019304Speter/*% Default unexpected callback. */ 3119304Speterstatic void 3219304Speterdefault_unexpected_callback(const char *, int, const char *, va_list) 3319304Speter ISC_FORMAT_PRINTF(3, 0); 3419304Speter 3519304Speter/*% Default fatal callback. */ 3619304Speterstatic void 3719304Speterdefault_fatal_callback(const char *, int, const char *, va_list) 38254225Speter ISC_FORMAT_PRINTF(3, 0); 3919304Speter 4019304Speter/*% unexpected_callback */ 4119304Speterstatic isc_errorcallback_t unexpected_callback = default_unexpected_callback; 42254225Speterstatic isc_errorcallback_t fatal_callback = default_fatal_callback; 43254225Speter 44254225Spetervoid 45254225Speterisc_error_setunexpected(isc_errorcallback_t cb) { 46254225Speter if (cb == NULL) 47254225Speter unexpected_callback = default_unexpected_callback; 4819304Speter else 49254225Speter unexpected_callback = cb; 5019304Speter} 5119304Speter 5219304Spetervoid 5319304Speterisc_error_setfatal(isc_errorcallback_t cb) { 5419304Speter if (cb == NULL) 5519304Speter fatal_callback = default_fatal_callback; 5619304Speter else 5719304Speter fatal_callback = cb; 5819304Speter} 5919304Speter 6019304Spetervoid 6119304Speterisc_error_unexpected(const char *file, int line, const char *format, ...) { 6219304Speter va_list args; 6319304Speter 6419304Speter va_start(args, format); 6519304Speter (unexpected_callback)(file, line, format, args); 6619304Speter va_end(args); 6719304Speter} 6819304Speter 6919304Spetervoid 7019304Speterisc_error_fatal(const char *file, int line, const char *format, ...) { 7119304Speter va_list args; 7219304Speter 7319304Speter va_start(args, format); 7419304Speter (fatal_callback)(file, line, format, args); 7519304Speter va_end(args); 7619304Speter abort(); 7719304Speter} 7819304Speter 7919304Spetervoid 8019304Speterisc_error_runtimecheck(const char *file, int line, const char *expression) { 8119304Speter isc_error_fatal(file, line, "RUNTIME_CHECK(%s) %s", expression, 8219304Speter isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL, 8319304Speter ISC_MSG_FAILED, "failed")); 8419304Speter} 8519304Speter 86254225Speterstatic void 87254225Speterdefault_unexpected_callback(const char *file, int line, const char *format, 88254225Speter va_list args) 8919304Speter{ 90254225Speter fprintf(stderr, "%s:%d: ", file, line); 91254225Speter vfprintf(stderr, format, args); 92254225Speter fprintf(stderr, "\n"); 93254225Speter fflush(stderr); 94254225Speter} 9519304Speter 96static void 97default_fatal_callback(const char *file, int line, const char *format, 98 va_list args) 99{ 100 fprintf(stderr, "%s:%d: %s: ", file, line, 101 isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL, 102 ISC_MSG_FATALERROR, "fatal error")); 103 vfprintf(stderr, format, args); 104 fprintf(stderr, "\n"); 105 fflush(stderr); 106} 107