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/*
* diff.h - diff specific util functions - header
* Copyright (C) 2001, 2002, 2003 Tim Waugh <twaugh@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <time.h>
int num_pathname_components (const char *x);
/*
* Find the best name from a list.
*
* Of the names with the fewest path name components, select the
* one with the shortest base name.
*
*/
char *best_name (int n, char **names);
/*
* Strip a pathname by a specified number of components.
*/
const char *stripped (const char *name, int num_components);
unsigned long calculate_num_lines (const char *atatline, char which);
unsigned long orig_num_lines (const char *atatline);
unsigned long new_num_lines (const char *atatline);
int read_atatline (const char *atatline,
unsigned long *orig_offset,
unsigned long *orig_count,
unsigned long *new_offset,
unsigned long *new_count);
/* Conversion between formats. */
FILE *convert_to_context (FILE *destination, const char *mode, int seekable);
FILE *convert_to_unified (FILE *destination, const char *mode, int seekable);
/* Filename/timestamp separation. */
int read_timestamp (const char *timestamp,
struct tm *result /* may be NULL */,
long *zone /* may be NULL */);
char *filename_from_header (const char *header);
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