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96b6bae5bc
I.e. print the name of the function in BIND that called the system
function that returned an error. Since it was useful for pthreads
code, it seems worthwhile doing so everywhere.
(cherry picked from commit 26ed03a61e)
91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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/*! \file */
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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/print.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 *, const char *,
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va_list) ISC_FORMAT_PRINTF(4, 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 *, 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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}
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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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}
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void
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isc_error_unexpected(const char *file, int line, const char *func,
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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, func, 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 *func,
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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, func, format, args);
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va_end(args);
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abort();
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}
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static void
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default_unexpected_callback(const char *file, int line, const char *func,
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const char *format, va_list args) {
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fprintf(stderr, "%s:%d:%s(): ", file, line, func);
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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 *func,
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const char *format, va_list args) {
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fprintf(stderr, "%s:%d:%s(): fatal error: ", file, line, func);
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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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