thodg/got/lib/got_lib_diff.h

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  Commit

• Author : Stefan Sperling
  Date : 2018-04-02 21:01:27
  Hash : e97248b0
  Message : prune unused declarations from got_lib_diff.h

• lib/got_lib_diff.h

• 
  /*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_UNIFIED	3	/* Unified context diff */
  #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 got_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   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;
  	size_t max_context;
  };
  
  struct got_diff_args {
  	int	 Tflag;
  	int	 diff_format, diff_context, status;
  	char	 *diffargs;
  	const char *label[2];
  };
  
  const struct got_error *got_diffreg(int *, FILE *,
      FILE *, int, struct got_diff_args *, struct got_diff_state *, FILE *);