view mercurial/bdiff.h @ 30557:cbeb54ec0481

check-code: add a rule to forbid "cp -r" See the commit message of the previous patch for the reason. In short, according to the current POSIX standard, "-r" is "removed", and "-R" is the current standard way to do "copy file hierarchies".
author Jun Wu <quark@fb.com>
date Wed, 30 Nov 2016 19:23:04 +0000
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