ftang%netscape.com c18bf1d357 1. add asserting code to check null ptr
2. add if code and return NS_ERROR_NULL_POINTER if the ptr is null
3. add code to check return value 
r=myself


git-svn-id: svn://10.0.0.236/trunk@50984 18797224-902f-48f8-a5cc-f745e15eee43
1999-10-18 14:48:41 +00:00
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1999-10-14 18:27:01 +00:00