File: xdiff-interface.h

package info (click to toggle)
cgit 1.2.1%2Bgit2.18.0-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 37,580 kB
  • sloc: ansic: 207,716; sh: 172,917; perl: 28,960; tcl: 21,663; python: 6,441; makefile: 3,642; php: 120; asm: 98; csh: 45; ruby: 24; lisp: 12
file content (48 lines) | stat: -rw-r--r-- 1,784 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#ifndef XDIFF_INTERFACE_H
#define XDIFF_INTERFACE_H

#include "cache.h"
#include "xdiff/xdiff.h"

/*
 * xdiff isn't equipped to handle content over a gigabyte;
 * we make the cutoff 1GB - 1MB to give some breathing
 * room for constant-sized additions (e.g., merge markers)
 */
#define MAX_XDIFF_SIZE (1024UL * 1024 * 1023)

typedef void (*xdiff_emit_consume_fn)(void *, char *, unsigned long);

int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb);
int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2,
		  xdiff_emit_consume_fn fn, void *consume_callback_data,
		  xpparam_t const *xpp, xdemitconf_t const *xecfg);
int parse_hunk_header(char *line, int len,
		      int *ob, int *on,
		      int *nb, int *nn);
int read_mmfile(mmfile_t *ptr, const char *filename);
void read_mmblob(mmfile_t *ptr, const struct object_id *oid);
int buffer_is_binary(const char *ptr, unsigned long size);

extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
extern void xdiff_clear_find_func(xdemitconf_t *xecfg);
extern int git_xmerge_config(const char *var, const char *value, void *cb);
extern int git_xmerge_style;

/*
 * Compare the strings l1 with l2 which are of size s1 and s2 respectively.
 * Returns 1 if the strings are deemed equal, 0 otherwise.
 * The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces
 * are treated for the comparision.
 */
extern int xdiff_compare_lines(const char *l1, long s1,
			       const char *l2, long s2, long flags);

/*
 * Returns a hash of the string s of length len.
 * The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces
 * are treated for the hash.
 */
extern unsigned long xdiff_hash_string(const char *s, size_t len, long flags);

#endif