*/
#define MAX_XDIFF_SIZE (1024UL * 1024 * 1023)
-typedef void (*xdiff_emit_consume_fn)(void *, char *, unsigned long);
+typedef void (*xdiff_emit_line_fn)(void *, char *, unsigned long);
+typedef void (*xdiff_emit_hunk_fn)(void *data,
+ long old_begin, long old_nr,
+ long new_begin, long new_nr,
+ const char *func, long funclen);
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,
+ xdiff_emit_hunk_fn hunk_fn,
+ xdiff_emit_line_fn line_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);
+void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
+void xdiff_clear_find_func(xdemitconf_t *xecfg);
+int git_xmerge_config(const char *var, const char *value, void *cb);
extern int git_xmerge_style;
+/*
+ * Can be used as a no-op hunk_fn for xdi_diff_outf(), since a NULL
+ * one just sends the hunk line to the line_fn callback).
+ */
+void discard_hunk_line(void *priv,
+ long ob, long on, long nb, long nn,
+ const char *func, long funclen);
+
+/*
+ * 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.
+ */
+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.
+ */
+unsigned long xdiff_hash_string(const char *s, size_t len, long flags);
+
#endif