/*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 *);
