Bug 380491 Fx randomly fails to display non-BMP ideographs. patch by Masatoshi Kimura (:emk) r+sr=rbs, a=dveditz

git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@228376 18797224-902f-48f8-a5cc-f745e15eee43
2007-06-20 08:55:08 +00:00
parent 3cf41b4f72
commit 306b30375c
1 changed files with 1 additions and 0 deletions
--- a/mozilla/gfx/src/windows/nsFontMetricsWin.cpp
+++ b/mozilla/gfx/src/windows/nsFontMetricsWin.cpp
@@ -1614,6 +1614,7 @@ ReadCMAPTableFormat12(PRUint8* aBuf, PRInt32 len, PRUint32 **aExtMap)
        aExtMap[plane] = new PRUint32[UCS2_MAP_LEN];
        if (!aExtMap[plane])
          return; // i.e., we will only retain the BMP and what we were able to allocate so far
+        memset(aExtMap[plane], 0, sizeof(PRUint32) * UCS2_MAP_LEN);
      }
      ADD_GLYPH(aExtMap[plane], c & 0xffff);
    }