1 /* $NetBSD: debug.c,v 1.2 1999/03/01 16:40:07 christos Exp $ */ 2 3 /* 4 * Copyright 1996 John D. Polstra. 5 * Copyright 1996 Matt Thomas <matt@3am-software.com> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by John Polstra. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * Support for printing debugging messages. 36 */ 37 38 #include <sys/cdefs.h> 39 #ifdef __STDC__ 40 #include <stdarg.h> 41 #else 42 #include <varargs.h> 43 #endif 44 45 #include "debug.h" 46 #include "rtldenv.h" 47 48 #ifdef DEBUG 49 int debug = 0; 50 51 void 52 #ifdef __STDC__ 53 debug_printf(const char *format, ...) 54 #else 55 debug_printf(va_alist) 56 va_dcl 57 #endif 58 { 59 if(debug) { 60 va_list ap; 61 #ifdef __STDC__ 62 va_start(ap, format); 63 #else 64 const char *format; 65 66 va_start(ap); 67 format = va_arg(ap, const char *); 68 #endif 69 70 xvprintf(format, ap); 71 72 va_end(ap); 73 xprintf("\n"); 74 } 75 } 76 #endif 77