1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright 1996-1998 John D. Polstra. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 /* 31 * Support for printing debugging messages. 32 */ 33 34 #ifndef DEBUG_H 35 #define DEBUG_H 1 36 37 #include <sys/cdefs.h> 38 39 #include <string.h> 40 #include <unistd.h> 41 42 extern void debug_printf(const char *, ...) __printflike(1, 2); 43 extern int debug; 44 45 #ifdef DEBUG 46 #define dbg(...) debug_printf(__VA_ARGS__) 47 #else 48 #define dbg(...) ((void) 0) 49 #endif 50 51 #ifndef COMPAT_32BIT 52 #define _MYNAME "ld-elf.so.1" 53 #else 54 #define _MYNAME "ld-elf32.so.1" 55 #endif 56 57 #define assert(cond) ((cond) ? (void) 0 : \ 58 (msg(_MYNAME ": assert failed: " __FILE__ ":" \ 59 __XSTRING(__LINE__) "\n"), abort())) 60 #define msg(s) write(STDOUT_FILENO, s, strlen(s)) 61 #define trace() msg(_MYNAME ": " __XSTRING(__LINE__) "\n") 62 63 64 #endif /* DEBUG_H */ 65