X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fopt%2Fopt.c;h=d376a598da932445de592c8f12e2466d4bc431bd;hp=d4601dfbb230a3076edfa64d8b5232996f4d59d2;hb=4f20b75c6133425f2b8c369bb1ecfbd7d3410353;hpb=e5fb923ba3735c758ef795eb69d5ee1c6f0a94e9

diff --git a/ccan/opt/opt.c b/ccan/opt/opt.c
index d4601dfb..d376a598 100644
--- a/ccan/opt/opt.c
+++ b/ccan/opt/opt.c
@@ -189,7 +189,8 @@ bool opt_unregister(const char *names)
 	if (found == -1)
 		return false;
 	opt_count--;
-	memmove(&opt_table[found], &opt_table[found+1], opt_count - found);
+	memmove(&opt_table[found], &opt_table[found+1],
+		(opt_count - found) * sizeof(opt_table[found]));
 	return true;
 }