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/* $OpenBSD: diff.h,v 1.7 2007/07/03 00:56:23 ray Exp $ */
/*
* Copyright (C) Caldera International Inc. 2001-2002.
* 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 and documentation 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 or owned by Caldera
* International, Inc.
* 4. Neither the name of Caldera International, Inc. nor the names of other
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
* INTERNATIONAL, INC. AND CONTRIBUTORS ``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 CALDERA INTERNATIONAL, INC. 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.
*/
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 2004 Jean-Francois Brousseau. 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)diffreg.c 8.1 (Berkeley) 6/6/93
*/
#ifndef RCS_DIFF_H
#define RCS_DIFF_H
#include <sys/queue.h>
#include <regex.h>
#include "buf.h"
#include "rcs.h"
/*
* Output format options
*/
#define D_NORMAL 0 /* Normal output */
#define D_CONTEXT 1 /* Diff with context */
#define D_UNIFIED 2 /* Unified context diff */
#define D_IFDEF 3 /* Diff with merged #ifdef's */
#define D_BRIEF 4 /* Say if the files differ */
#define D_RCSDIFF 5 /* Reverse editor output: RCS format */
/*
* Command line flags
*/
#define D_FORCEASCII 0x01 /* Treat file as ascii regardless of content */
#define D_FOLDBLANKS 0x02 /* Treat all white space as equal */
#define D_MINIMAL 0x04 /* Make diff as small as possible */
#define D_IGNORECASE 0x08 /* Case-insensitive matching */
#define D_PROTOTYPE 0x10 /* Display C function prototype */
#define D_EXPANDTABS 0x20 /* Expand tabs to spaces */
#define D_IGNOREBLANKS 0x40 /* Ignore white space changes */
/*
* Status values for diffreg() return values
*/
#define D_SAME 0 /* Files are the same */
#define D_DIFFER 1 /* Files are different */
#define D_ERROR 2 /* An error occurred */
/*
* Status values for rcs_diff3() return values
*/
#define D_OVERLAPS 1 /* Overlaps during merge */
struct rcs_lines;
BUF *rcs_diff3(RCSFILE *, char *, RCSNUM *, RCSNUM *, int);
BUF *merge_diff3(char **, int);
void diff_output(const char *, ...);
int diffreg(const char *, const char *, BUF *, int);
int ed_patch_lines(struct rcs_lines *, struct rcs_lines *);
extern int diff_context;
extern int diff_format;
extern int diff3_conflicts;
extern char *diff_file, *diff_ignore_pats;
extern char diffargs[512]; /* XXX */
extern BUF *diffbuf;
extern RCSNUM *diff_rev1;
extern RCSNUM *diff_rev2;
extern regex_t *diff_ignore_re;
#endif /* RCS_DIFF_H */
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