Andrew's git - gitweb.git/blob

   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
  14typedef void (*xdiff_emit_consume_fn)(void *, char *, unsigned long);
  15
  16int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb);
  17int 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);
  20int parse_hunk_header(char *line, int len,
  21                      int *ob, int *on,
  22                      int *nb, int *nn);
  23int read_mmfile(mmfile_t *ptr, const char *filename);
  24void read_mmblob(mmfile_t *ptr, const struct object_id *oid);
  25int buffer_is_binary(const char *ptr, unsigned long size);
  26
  27extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
  28extern void xdiff_clear_find_func(xdemitconf_t *xecfg);
  29extern int git_xmerge_config(const char *var, const char *value, void *cb);
  30extern 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 */
  38extern 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 */
  46extern unsigned long xdiff_hash_string(const char *s, size_t len, long flags);
  47
  48#endif