Fixing bug 135278. Stop don't use Substring() on a null poiter, Substring() asserts if given a null pointer. r=dbaron@fas.harvard.edu, sr=jaggernaut@netscape.com

git-svn-id: svn://10.0.0.236/trunk@121264 18797224-902f-48f8-a5cc-f745e15eee43
2002-05-10 18:21:50 +00:00
parent 9f70e7569c
commit 79bf7a0a29
1 changed files with 6 additions and 1 deletions
--- a/mozilla/content/base/src/nsGenericDOMDataNode.cpp
+++ b/mozilla/content/base/src/nsGenericDOMDataNode.cpp
@@ -434,7 +434,12 @@ nsGenericDOMDataNode::GetData(nsAString& aData)
    // terminated strings.

    const char *data = mText.Get1b();
-    CopyASCIItoUCS2(Substring(data, data + mText.GetLength()), aData);
+
+    if (data) {
+      CopyASCIItoUCS2(Substring(data, data + mText.GetLength()), aData);
+    } else {
+      aData.Truncate();
+    }
  }

  return NS_OK;