NetBSD/libexec/ld.elf_so/debug.h

60 lines
2.4 KiB
C

/* $NetBSD: debug.h,v 1.2 1999/01/10 17:19:01 christos Exp $ */
/*
* Copyright 1996 John D. Polstra.
* Copyright 1996 Matt Thomas <matt@3am-software.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John Polstra.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Support for printing debugging messages.
*/
#ifndef DEBUG_H /* { */
#define DEBUG_H 1
#ifndef __GNUC__ /* { */
#error "Sorry, this module relies on some GNU extensions"
#endif /* } */
extern void xprintf(const char *fmt, ...)
__attribute__((__format__(__printf__, 1, 2)));
extern void xvprintf(const char *fmt, va_list ap)
__attribute__((__format__(__printf__, 1, 0)));
extern void debug_printf(const char *, ...)
__attribute__((__format__(__printf__, 1, 2)));
extern int debug;
#ifdef DEBUG /* { */
#define dbg(format, args...) debug_printf(format, ## args)
#else /* } { */
#define dbg(format, args...) ((void) 0)
#endif /* } */
#endif /* } */