view mercurial/bdiff.h @ 48027:13efd8fdc55f

dirstate: fix parse_dirstate() to error out if NULL entry created

Since 83f0e93ec34b "dirstate-item: move the C implementation to the same
logic", dirstate_item_from_v1_data() gets more likely to return NULL, and
the fuzzer crashes because of that.

#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