view mercurial/bdiff.h @ 33125:acfce52518c4

tests: do not use system hg if it does not have "files" command Ancient hg does not have "hg files" so test-check-*.t will fail with "unknown command 'files'": $ hg files hg: unknown command 'files' $ hg --version Mercurial Distributed SCM (version 2.6.2) Test "hg files" and give up using syshg if it does not have "files" command.
author Jun Wu <quark@fb.com>
date Wed, 28 Jun 2017 13:45:51 -0700
parents 9631ff5ebbeb
children 72985b390d7c
line wrap: on
line source

#ifndef _HG_BDIFF_H_
#define _HG_BDIFF_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