xdiff: reject files larger than ~1GB
[git/git.git] / xdiff-interface.h
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1#ifndef XDIFF_INTERFACE_H
2#define XDIFF_INTERFACE_H
3
4#include "xdiff/xdiff.h"
d9ea73e0 5
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6/*
7 * xdiff isn't equipped to handle content over a gigabyte;
8 * we make the cutoff 1GB - 1MB to give some breathing
9 * room for constant-sized additions (e.g., merge markers)
10 */
11#define MAX_XDIFF_SIZE (1024UL * 1024 * 1023)
12
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13typedef void (*xdiff_emit_consume_fn)(void *, char *, unsigned long);
14
c279d7e9 15int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb);
c99db9d2 16int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2,
8a3f524b 17 xdiff_emit_consume_fn fn, void *consume_callback_data,
dfea7900 18 xpparam_t const *xpp, xdemitconf_t const *xecfg);
c1e335a4 19int parse_hunk_header(char *line, int len,
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20 int *ob, int *on,
21 int *nb, int *nn);
7cab5883 22int read_mmfile(mmfile_t *ptr, const char *filename);
06b65939 23void read_mmblob(mmfile_t *ptr, const unsigned char *sha1);
6bfce93e 24int buffer_is_binary(const char *ptr, unsigned long size);
d9ea73e0 25
a013585b 26extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
8cfe5f1c 27extern void xdiff_clear_find_func(xdemitconf_t *xecfg);
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28extern int git_xmerge_config(const char *var, const char *value, void *cb);
29extern int git_xmerge_style;
f258475a 30
d9ea73e0 31#endif