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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include <stdio.h>
#include <stdlib.h>
#include <isc/error.h>
#include <isc/print.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) failed", expression);
}
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: fatal error: ", file, line);
vfprintf(stderr, format, args);
fprintf(stderr, "\n");
fflush(stderr);
}
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