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1 | #ifndef XDIFF_INTERFACE_H | |
2 | #define XDIFF_INTERFACE_H | |
3 | ||
4 | #include "cache.h" | |
5 | #include "xdiff/xdiff.h" | |
6 | ||
7 | /* | |
8 | * xdiff isn't equipped to handle content over a gigabyte; | |
9 | * we make the cutoff 1GB - 1MB to give some breathing | |
10 | * room for constant-sized additions (e.g., merge markers) | |
11 | */ | |
12 | #define MAX_XDIFF_SIZE (1024UL * 1024 * 1023) | |
13 | ||
14 | typedef void (*xdiff_emit_consume_fn)(void *, char *, unsigned long); | |
15 | ||
16 | int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb); | |
17 | int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2, | |
18 | xdiff_emit_consume_fn fn, void *consume_callback_data, | |
19 | xpparam_t const *xpp, xdemitconf_t const *xecfg); | |
20 | int parse_hunk_header(char *line, int len, | |
21 | int *ob, int *on, | |
22 | int *nb, int *nn); | |
23 | int read_mmfile(mmfile_t *ptr, const char *filename); | |
24 | void read_mmblob(mmfile_t *ptr, const struct object_id *oid); | |
25 | int buffer_is_binary(const char *ptr, unsigned long size); | |
26 | ||
27 | extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags); | |
28 | extern void xdiff_clear_find_func(xdemitconf_t *xecfg); | |
29 | extern int git_xmerge_config(const char *var, const char *value, void *cb); | |
30 | extern int git_xmerge_style; | |
31 | ||
32 | /* | |
33 | * Compare the strings l1 with l2 which are of size s1 and s2 respectively. | |
34 | * Returns 1 if the strings are deemed equal, 0 otherwise. | |
35 | * The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces | |
36 | * are treated for the comparision. | |
37 | */ | |
38 | extern int xdiff_compare_lines(const char *l1, long s1, | |
39 | const char *l2, long s2, long flags); | |
40 | ||
41 | /* | |
42 | * Returns a hash of the string s of length len. | |
43 | * The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces | |
44 | * are treated for the hash. | |
45 | */ | |
46 | extern unsigned long xdiff_hash_string(const char *s, size_t len, long flags); | |
47 | ||
48 | #endif |