RE: question about storage32.c code and while loop

disregard I see the do statement above it.

question about storage32.c code and while loop

I've mentioned this before but I'm no expert C programmer. Can someone explain why we do the following in storage32.c? if (cbRead > 0) { cbTotalRead += cbRead; resWrite = BlockChainStream_WriteAt(bbTempChain, offset,