mercurial/bdiff.h

wireproto: use command executor for unbundle

This also required unifying the name of the argument because the
new API always passes arguments by keyword. I decided to change
implementations to "bundle" instead of the interface to "cg"
because "bundle" is more appropriate in a modern world.

Differential Revision: https://phab.mercurial-scm.org/D3314

#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