diff options
| -rw-r--r-- | console-client/xkb/kstoucs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/console-client/xkb/kstoucs.c b/console-client/xkb/kstoucs.c index 81e71b9b..8471e942 100644 --- a/console-client/xkb/kstoucs.c +++ b/console-client/xkb/kstoucs.c @@ -13,8 +13,10 @@ find_ucs (int keysym, struct ksmap *first, struct ksmap *last) if (middle->keysym == keysym) return middle->ucs; /* base case: needle found. */ - else if (middle == first && middle == last) - return 0; /* base case: empty search space. */ + else if (first == last /* empty search space */ + || keysym < first->keysym /* lookup failure */ + || keysym > last->keysym) /* lookup failure */ + return 0; /* recursive cases: halve search space. */ else if (middle->keysym < keysym) return find_ucs (keysym, middle+1, last); |