view mercurial/bdiff.h @ 36218:e4ccd7a69f77

httppeer: change logic around argument handling

The code to process arguments only makes sense if there are
arguments. So change an "else" to "elif args", remove an
"if" that isn't necessary, and add some docs for good measure.

Differential Revision: https://phab.mercurial-scm.org/D2214

#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