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[REBOL] Re: [BUG?] read-io & write-io or Wait or is TCL better?

From: dockimbel:free at: 24-Dec-2003 22:30

Selon Petr Krenzelok <[petr--krenzelok--trz--cz]>: [...]
> I know I struggled really badly with exactly the same problem in the > past. Although it may be reasonalble explainable that Rebol simply > enlarges buffer, I think that we should think of submitting a bug > request. And why? Because docs don't state that in the case of read-io > we should clear the buffer. If it would lead only to buffer size > increase, then OK, but it leads into completly broken communication with > unexpected results ... > > What do other think? Should write-io clear the buffer after succesfull > write automatically?
Read-io and write-io are low-level natives that behave more like their C counterparts than like normal REBOL natives (no auto-expansion). I guess that RT needed them to be able to accurately control low-level ports stuff, but since 'set/get-mode natives appeared, low-level I/O natives shouldn't be used anymore, as stated by Holger here (a year ago ?). I found them still usefull in a few cases to optimize memory usage. So, to answer your question, I think that low-level natives should remain low- level. If you need automatic buffer expansion, you should use 'copy/insert instead, with appropriate 'set-mode calls if necessary. -DocKimbel