shithub: mc

Info  •  Files  •  Log  •  Branches

Don't double label BBs.

	If we've already got a BB with a specific label, don't add
	that label again.

	Fixes #28

--- a/mi/cfg.c

+++ b/mi/cfg.c

@@ -29,8 +29,10 @@

 static void strlabel(Cfg *cfg, char *lbl, Bb *bb)

 {

-	htput(cfg->lblmap, lbl, bb);

-	lappend(&bb->lbls, &bb->nlbls, lbl);

+	if (htget(cfg->lblmap, lbl) != bb) {

+		htput(cfg->lblmap, lbl, bb);

+		lappend(&bb->lbls, &bb->nlbls, lbl);

+	}

 }

 static void label(Cfg *cfg, Node *lbl, Bb *bb)