Reworked frame factory methods; fixed bug 4519

1999-05-11 22:03:29 +00:00
parent bba83ee6e2
commit 68aa9f7c60
142 changed files with 1298 additions and 809 deletions
--- a/layout/tables/nsTableColFrame.cpp
+++ b/layout/tables/nsTableColFrame.cpp
@@ -86,13 +86,17 @@ nscoord nsTableColFrame::GetColWidthForComputation()
 /* ----- global methods ----- */

 nsresult 
-NS_NewTableColFrame(nsIFrame*& aResult)
+NS_NewTableColFrame(nsIFrame** aNewFrame)
 {
-  nsIFrame* it = new nsTableColFrame;
+  NS_PRECONDITION(aNewFrame, "null OUT ptr");
+  if (nsnull == aNewFrame) {
+    return NS_ERROR_NULL_POINTER;
+  }
+  nsTableColFrame* it = new nsTableColFrame;
  if (nsnull == it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }
-  aResult = it;
+  *aNewFrame = it;
  return NS_OK;
 }