Make sure feature values don't leak out of their mask

2010-10-13 15:36:38 -04:00 · 2010-10-13 15:36:38 -04:00 · 5c1c8c9c50
parent 852912fc2d
commit 5c1c8c9c50
1 changed files with 1 additions and 0 deletions
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@ -476,6 +476,7 @@ _hb_buffer_add_masks (hb_buffer_t *buffer,
 		      unsigned int cluster_end)
 {
  hb_mask_t not_mask = ~mask;
+  value &= mask;

  if (cluster_start == 0 && cluster_end == (unsigned int)-1) {
    unsigned int count = buffer->len;