On Sun, 10 Jul 2016 01:17:05 +0800 cheng...@emindsoft.com.cn wrote: > For a pure output parameter: > > - When callee fails, the caller should not assume the output parameter > is still valid. > > - And callee should not assume the pure output parameter must be > provided by caller -- caller has right to pass NULL when caller does > not care about it.
Sorry, I don't think this one is worth merging really.
