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/*ROR
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  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.
 *
 *	@(#)diff.h	8.1 (Berkeley) 6/6/93
 */

#include <sys/types.h>
#include <regex.h>

/*
 * Output format options
 */
#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_UNIFIED	3	/* Unified context diff */
#define	D_IFDEF		4	/* Diff with merged #ifdef's */
#define	D_NREVERSE	5	/* Reverse ed script with numbered
				   lines and no trailing . */
#define	D_BRIEF		6	/* Say if the files differ */

/*
 * Output flags
 */
#define	D_HEADER	0x001	/* Print a header/footer between files */
#define	D_EMPTY1	0x002	/* Treat first file as empty (/dev/null) */
#define	D_EMPTY2	0x004	/* Treat second file as empty (/dev/null) */

/*
 * Command line flags
 */
#define D_FORCEASCII	0x008	/* Treat file as ascii regardless of content */
#define D_FOLDBLANKS	0x010	/* Treat all white space as equal */
#define D_MINIMAL	0x020	/* Make diff as small as possible */
#define D_IGNORECASE	0x040	/* Case-insensitive matching */
#define D_PROTOTYPE	0x080	/* Display C function prototype */
#define D_EXPANDTABS	0x100	/* Expand tabs to spaces */
#define D_IGNOREBLANKS	0x200	/* Ignore white space changes */

/*
 * Status values for print_status() and diffreg() return values
 */
#define	D_SAME		0	/* Files are the same */
#define	D_DIFFER	1	/* Files are different */
#define	D_BINARY	2	/* Binary files are different */
#define	D_MISMATCH1	3	/* path1 was a dir, path2 a file */
#define	D_MISMATCH2	4	/* path1 was a file, path2 a dir */
#define	D_SKIPPED1	5	/* path1 was a special file */
#define	D_SKIPPED2	6	/* path2 was a special file */

struct excludes {
	char *pattern;
	struct excludes *next;
};

struct got_diff_state {
	int  *J;			/* will be overlaid on class */
	int  *class;		/* will be overlaid on file[0] */
	int  *klist;		/* will be overlaid on file[0] after class */
	int  *member;		/* will be overlaid on file[1] */
	int   clen;
	int   inifdef;		/* whether or not we are in a #ifdef block */
	int   len[2];
	int   pref, suff;	/* length of prefix and suffix */
	int   slen[2];
	int   anychange;
	long *ixnew;		/* will be overlaid on file[1] */
	long *ixold;		/* will be overlaid on klist */
	struct cand *clist;	/* merely a free storage pot for candidates */
	int   clistlen;		/* the length of clist */
	struct line *sfile[2];	/* shortened by pruning common prefix/suffix */
	u_char *chrtran;		/* translation table for case-folding */
	struct context_vec *context_vec_start;
	struct context_vec *context_vec_end;
	struct context_vec *context_vec_ptr;
	struct line *file[2];
#define FUNCTION_CONTEXT_SIZE	55
	char lastbuf[FUNCTION_CONTEXT_SIZE];
	int lastline;
	int lastmatchline;
	struct stat stb1, stb2;
};

struct got_diff_args {
	int	 Tflag;
	int	 diff_format, diff_context, status;
	char	*ifdefname, *diffargs, *ignore_pats;
	const char *label[2];
};

char	*splice(char *, char *);
const struct got_error *got_diffreg(int *, FILE *,
    FILE *, int, struct got_diff_args *, struct got_diff_state *, FILE *);
int	easprintf(char **, const char *, ...);
void	*emalloc(size_t);
void	*erealloc(void *, size_t);
void	diffdir(char *, char *, int);
void	print_only(const char *, size_t, const char *);
void	print_status(int, char *, char *, char *);
thodg/got/lib/got_diff_lib.h

Commit

lib/got_diff_lib.h
