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debug.h revision 1.1 
      1  1.1  cgd /*	$NetBSD: debug.h,v 1.1 1996/12/16 20:37:57 cgd Exp $	*/
      2  1.1  cgd 
      3  1.1  cgd /*
      4  1.1  cgd  * Copyright 1996 John D. Polstra.
      5  1.1  cgd  * Copyright 1996 Matt Thomas <matt (at) 3am-software.com>
      6  1.1  cgd  * All rights reserved.
      7  1.1  cgd  *
      8  1.1  cgd  * Redistribution and use in source and binary forms, with or without
      9  1.1  cgd  * modification, are permitted provided that the following conditions
     10  1.1  cgd  * are met:
     11  1.1  cgd  * 1. Redistributions of source code must retain the above copyright
     12  1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     13  1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     15  1.1  cgd  *    documentation and/or other materials provided with the distribution.
     16  1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     17  1.1  cgd  *    must display the following acknowledgement:
     18  1.1  cgd  *      This product includes software developed by John Polstra.
     19  1.1  cgd  * 4. The name of the author may not be used to endorse or promote products
     20  1.1  cgd  *    derived from this software without specific prior written permission.
     21  1.1  cgd  *
     22  1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  1.1  cgd  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  1.1  cgd  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  1.1  cgd  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  1.1  cgd  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  1.1  cgd  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  1.1  cgd  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  1.1  cgd  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  1.1  cgd  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  1.1  cgd  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  1.1  cgd  */
     33  1.1  cgd 
     34  1.1  cgd /*
     35  1.1  cgd  * Support for printing debugging messages.
     36  1.1  cgd  */
     37  1.1  cgd 
     38  1.1  cgd #ifndef DEBUG_H /* { */
     39  1.1  cgd #define DEBUG_H 1
     40  1.1  cgd 
     41  1.1  cgd #ifndef __GNUC__ /* { */
     42  1.1  cgd #error "Sorry, this module relies on some GNU extensions"
     43  1.1  cgd #endif /* } */
     44  1.1  cgd 
     45  1.1  cgd extern void xprintf(const char *fmt, ...);
     46  1.1  cgd extern void xvprintf(const char *fmt, va_list ap);
     47  1.1  cgd extern void debug_printf(const char *, ...);
     48  1.1  cgd extern int debug;
     49  1.1  cgd 
     50  1.1  cgd #ifdef DEBUG /* { */
     51  1.1  cgd #define dbg(format, args...)	debug_printf(format, ## args)
     52  1.1  cgd #else /* } { */
     53  1.1  cgd #define dbg(format, args...)	((void) 0)
     54  1.1  cgd #endif /* } */
     55  1.1  cgd 
     56  1.1  cgd #endif /* } */
     57