1 /* Diff output generators and invocation shims. */
2 /*
3  * Copyright (c) 2020 Neels Hofmeyr <neels@hofmeyr.de>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #pragma once
19 
20 #include <stdio.h>
21 #include <diff/diff_main.h>
22 
23 struct diff_input_info {
24 	const char *left_path;
25 	const char *right_path;
26 };
27 
28 enum diff_rc diff_output_plain(FILE *dest, const struct diff_input_info *info,
29 			       const struct diff_result *result);
30 enum diff_rc diff_output_unidiff(FILE *dest, const struct diff_input_info *info,
31 				 const struct diff_result *result, unsigned int context_lines);
32 enum diff_rc diff_output_info(FILE *dest, const struct diff_input_info *info);
33 void diff_output_lines(FILE *dest, const char *prefix, struct diff_atom *start_atom, unsigned int count);