/contrib/bind9/lib/isc/error.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 106 lines · 68 code · 17 blank · 21 comment · 4 complexity · c768bb36a943a693808b6067c5726237 MD5 · raw file
- /*
- * 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);
- }