view mercurial/bdiff.h @ 30314:365812902904

scmutil: extend termwidth() to return terminal height, renamed to termsize()

It appears crecord.py has its own termsize() function. I want to get rid of it.

The fallback height is chosen from the default of cmd.exe on Windows, and
VT100 on Unix.

#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