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