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	---
	commit db0616444f78ec9d020218887d2254a41c575726
	parent ff0bb634c4421809714974d432ce1b7fefb33c90
	Author: Ali Gholami Rudi <[email protected]>
	Date: Fri, 25 Dec 2015 11:57:46 +0330

	dir: handle bad direction patterns

	Diffstat:
	M dir.c \| 19 ++++++++++++-------

	1 file changed, 12 insertions(+), 7 deletions(-)
	---
	diff --git a/dir.c b/dir.c
	t@@ -15,9 +15,10 @@ static int dir_match(char **chrs, int beg, int end, int ctx…
	struct sbuf *str = sbuf_make();
	int grp;
	int flg = (beg ? RE_NOTBOL : 0) \| (chrs[end][0] ? RE_NOTEOL : 0);
	- int found;
	+ int found = -1;
	sbuf_mem(str, chrs[beg], chrs[end] - chrs[beg]);
	- found = rset_find(rs, sbuf_buf(str), LEN(subs) / 2, subs, flg);
	+ if (rs)
	+ found = rset_find(rs, sbuf_buf(str), LEN(subs) / 2, subs, flg);
	if (found >= 0 && r_beg && r_end && c_beg && c_end) {
	char *s = sbuf_buf(str);
	conf_dirmark(found, NULL, NULL, dir, &grp);
	t@@ -66,13 +67,14 @@ static void dir_fix(char *chrs, int ord, int dir, int be…

	int dir_context(char *s)
	{
	- int found;
	+ int found = -1;
	int dir;
	if (xdir > +1)
	return +1;
	if (xdir < -1)
	return -1;
	- found = rset_find(dir_rsctx, s ? s : "", 0, NULL, 0);
	+ if (dir_rsctx)
	+ found = rset_find(dir_rsctx, s ? s : "", 0, NULL, 0);
	if (!conf_dircontext(found, NULL, &dir))
	return dir;
	return xdir < 0 ? -1 : +1;
	t@@ -112,7 +114,10 @@ void dir_init(void)

	void dir_done(void)
	{
	- rset_free(dir_rslr);
	- rset_free(dir_rsrl);
	- rset_free(dir_rsctx);
	+ if (dir_rslr)
	+ rset_free(dir_rslr);
	+ if (dir_rsrl)
	+ rset_free(dir_rsrl);
	+ if (dir_rsctx)
	+ rset_free(dir_rsctx);
	}