9bfb9eedcd
definitions are more readable, and it's possible that they're more portable to pathalogical platforms. Submitted by: David Hill <david@phobia.ms>
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*-
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* Copyright 1996-1998 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Support for printing debugging messages.
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*/
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#ifndef DEBUG_H
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#define DEBUG_H 1
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#ifndef __GNUC__
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#error "This file must be compiled with GCC"
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#endif
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#include <sys/cdefs.h>
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#include <string.h>
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#include <unistd.h>
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extern void debug_printf(const char *, ...) __printflike(1, 2);
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extern int debug;
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#ifdef DEBUG
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#define dbg(format, args...) debug_printf(format , ## args)
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#else
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#define dbg(format, args...) ((void) 0)
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#endif
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#define assert(cond) ((cond) ? (void) 0 : \
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(msg("ld-elf.so.1: assert failed: " __FILE__ ":" \
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__XSTRING(__LINE__) "\n"), abort()))
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#define msg(s) write(STDOUT_FILENO, s, strlen(s))
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#define trace() msg("ld-elf.so.1: " __XSTRING(__LINE__) "\n")
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#endif /* DEBUG_H */
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