/* $NetBSD: error.c,v 1.1.4.2 2024/02/29 11:39:00 martin Exp $ */ /* * 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 #include #include #include /*% 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); }