From e2d9fdc3b06595aeeb7646c003e4356f369dc058 Mon Sep 17 00:00:00 2001
From: "ftang%netscape.com" <ftang%netscape.com>
Date: Fri, 6 Oct 2000 21:54:38 +0000
Subject: [PATCH] fix bug 54841. zero out the first 128 bits of the
 representatble r=sr=erik

---
 intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.cpp | 10 ++++++++++
 intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.cpp b/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.cpp
index 75abcb7d0e5..bf14103ad6f 100644
--- a/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.cpp
+++ b/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.cpp
@@ -52,3 +52,13 @@ NS_IMETHODIMP nsUnicodeToBIG5NoAscii::GetMaxLength(const PRUnichar * aSrc,
   *aDestLength = 2 * aSrcLength;
   return NS_OK_UENC_EXACTLENGTH;
 }
+NS_IMETHODIMP nsUnicodeToBIG5NoAscii::FillInfo(PRUint32 *aInfo)
+{
+  nsresult rv = nsTableEncoderSupport::FillInfo(aInfo); // call the super class
+  if(NS_SUCCEEDED(rv))
+  {
+    // mark the first 128 bits as 0. 4 x 32 bits = 128 bits
+    aInfo[0] = aInfo[1] = aInfo[2] = aInfo[3] = 0;
+  }
+  return rv;
+}
diff --git a/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.h b/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.h
index a767212ea07..0011fb3da85 100644
--- a/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.h
+++ b/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.h
@@ -41,6 +41,7 @@ public:
    */
   nsUnicodeToBIG5NoAscii();
 
+  NS_IMETHOD FillInfo(PRUint32 *aInfo);
 protected:
 
   //--------------------------------------------------------------------