view mercurial/bdiff.h @ 48398:111098af6356

dirstate-item: add a "second_ambiguous` flag in the mtime tuple

This will be used to support the `mtime-second-ambiguous` flag from dirstate
v2. See format documentation for details.

For now, we only make it possible to store the information, no other logic have
been added.

Differential Revision: https://phab.mercurial-scm.org/D11842

#ifndef HG_BDIFF_H
#define HG_BDIFF_H

#include "compat.h"

struct bdiff_line {
	int hash, n, e;
	ssize_t len;
	const char *l;
};

struct bdiff_hunk;
struct bdiff_hunk {
	int a1, a2, b1, b2;
	struct bdiff_hunk *next;
};

int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);
int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,
               struct bdiff_hunk *base);
void bdiff_freehunks(struct bdiff_hunk *l);

#endif