/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * 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 1.5 2020/02/25 05:00:43 jsg Exp $ */ /*! \file */ #include #include #include /*% Default unexpected callback. */ static void default_unexpected_callback(const char *, int, const char *, va_list) __attribute__((__format__(__printf__, 3, 0))); /*% Default fatal callback. */ static void default_fatal_callback(const char *, int, const char *, va_list) __attribute__((__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_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, "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, "fatal error"); vfprintf(stderr, format, args); fprintf(stderr, "\n"); fflush(stderr); }