/* * Copyright (c) 2000, 2005 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef HFS_DBG_H_ #define HFS_DBG_H_ #include <sys/cdefs.h> __BEGIN_DECLS #include <stdbool.h> // So that the analyzer acknowledges assertions... #if defined(__clang_analyzer__) || DEBUG #define panic_on_assert true #else extern bool panic_on_assert; #endif #if DEBUG extern bool hfs_corruption_panics; #else #define hfs_corruption_panics false #endif __attribute__((noreturn)) void hfs_assert_fail(const char *file, unsigned line, const char *expr); #define hfs_assert(expr) \ do { \ if (__builtin_expect(panic_on_assert, false) \ && __builtin_expect(!(expr), false)) { \ hfs_assert_fail(__FILE__, __LINE__, #expr); \ } \ } while (0) // On production, will printf rather than assert #define hfs_warn(format, ...) \ do { \ if (__builtin_expect(panic_on_assert, false)) { \ panic(format, ## __VA_ARGS__); \ __builtin_unreachable(); \ } else \ printf(format, ## __VA_ARGS__); \ } while (0) // Quiet on production #define hfs_debug(format, ...) \ do { \ if (__builtin_expect(panic_on_assert, false)) \ printf(format, ## __VA_ARGS__); \ } while (0) // Panic on debug unless boot-arg tells us not to #define hfs_corruption_debug(format, ...) \ do { \ if (__builtin_expect(hfs_corruption_panics, false)) { \ panic(format, ## __VA_ARGS__); \ __builtin_unreachable(); \ } \ else \ printf(format, ## __VA_ARGS__); \ } while (0) __END_DECLS #endif // HFS_DBG_H_