view mercurial/bdiff.h @ 30684:0064a1eb28e2

chg: respect XDG_RUNTIME_DIR

$XDG_RUNTIME_DIR [1] is a better place for user daemons. Let's use it and
fallback to $TMPDIR.

After this patch, chg will try socket paths in the following order:

  1. $CHGSOCKNAME
  2. $XDG_RUNTIME_DIR/chg/server
  3. ${TMPDIR:-tmp}/chg$UID/server

[1]: https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html

#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