view mercurial/bdiff.h @ 45982:d26497811ed9

packaging: add pygit2 to the py3 Windows installers

This is needed to be able to use the git extension.

The extension no longer complains about the library being not installed, but
`hg log -r .` on a repo that works in WSL yielded a TypeError:

      ...
      File "mercurial.hg", line 188, in _peerorrepo
      File "mercurial.localrepo", line 3224, in instance
      File "mercurial.localrepo", line 623, in makelocalrepository
      File "hgext.git", line 117, in _makestore
      File "hgext.git", line 48, in __init__
    TypeError: Repository unable to unpack backend.

Differential Revision: https://phab.mercurial-scm.org/D9405

#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