Mercurial > molko
view libmlk-core/mlk/core/panic.c @ 646:7e1eb7f6c049 default tip @
misc: remove .clang
author | David Demelier <markand@malikania.fr> |
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date | Sun, 04 Feb 2024 15:24:37 +0100 |
parents | 4349b591c3ac |
children |
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/* * panic.c -- unrecoverable error handling * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * 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 THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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. */ #include <assert.h> #include <stdio.h> #include <stdlib.h> #include "core_p.h" #include "err.h" #include "panic.h" static void terminate(const char *what) { fprintf(stderr, _("abort: %s\n"), what); abort(); exit(1); } void (*mlk_panic_handler)(const char *) = terminate; static void alive(void) { /* * This should not happen, if it does it means the user did not fully * satisfied the constraint of mlk_panic_handler. */ fprintf(stderr, _("abort: panic handler returned\n")); exit(1); } void mlk_panicf(const char *fmt, ...) { assert(fmt); va_list ap; char buf[PANIC_LINE_MAX]; /* * We can't use mlk_panicva directly because we won't be able to call * va_end then. */ va_start(ap, fmt); vsnprintf(buf, sizeof (buf), fmt, ap); va_end(ap); mlk_panic_handler(buf); alive(); } void mlk_panicva(const char *fmt, va_list ap) { assert(fmt); assert(mlk_panic_handler); char buf[PANIC_LINE_MAX]; vsnprintf(buf, sizeof (buf), fmt, ap); mlk_panic_handler(buf); alive(); } void mlk_panic(void) { mlk_panicf("%s", mlk_err()); }