4.4BSD/usr/src/usr.bin/diff/diff/diff.h

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/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This module is believed to contain source code proprietary to AT&T.
 * Use and redistribution is subject to the Berkeley Software License
 * Agreement and your Software Agreement with AT&T (Western Electric).
 *
 *	@(#)diff.h	8.1 (Berkeley) 6/6/93
 */

/*
 * diff - common declarations
 */

#include <stdio.h>
#include <ctype.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/dir.h>
#include <signal.h>

/*
 * Output format options
 */
int	opt;

#define	D_NORMAL	0	/* Normal output */
#define	D_EDIT		-1	/* Editor script out */
#define	D_REVERSE	1	/* Reverse editor script */
#define	D_CONTEXT	2	/* Diff with context */
#define	D_IFDEF		3	/* Diff with merged #ifdef's */
#define	D_NREVERSE	4	/* Reverse ed script with numbered
				   lines and no trailing . */

int	tflag;			/* expand tabs on output */

/*
 * Algorithm related options
 */
int	hflag;			/* -h, use halfhearted DIFFH */
int	bflag;			/* ignore blanks in comparisons */
int	wflag;			/* totally ignore blanks in comparisons */
int	iflag;			/* ignore case in comparisons */

/*
 * Options on hierarchical diffs.
 */
int	lflag;			/* long output format with header */
int	rflag;			/* recursively trace directories */
int	sflag;			/* announce files which are same */
char	*Start;			/* do file only if name >= this */

/*
 * Variables for -I D_IFDEF option.
 */
int	wantelses;		/* -E */
char	*ifdef1;		/* String for -1 */
char	*ifdef2;		/* String for -2 */
char	*endifname;		/* What we will print on next #endif */
int	inifdef;

/*
 * Variables for -c context option.
 */
int	context;		/* lines of context to be printed */

/*
 * State for exit status.
 */
int	status;
int	anychange;
char	tempfile[];		/* used when comparing against std input */

/*
 * Variables for diffdir.
 */
char	**diffargv;		/* option list to pass to recursive diffs */

/*
 * Input file names.
 * With diffdir, file1 and file2 are allocated BUFSIZ space,
 * and padded with a '/', and then efile0 and efile1 point after
 * the '/'.
 */
char	*file1, *file2, *efile1, *efile2;
struct	stat stb1, stb2;

char	*malloc(), *talloc(), *ralloc();
char	*savestr(), *splice(), *splicen();
char	*mktemp(), *copytemp(), *rindex();
void	done();

extern	char diffh[], diff[], pr[];