On 2/3/13 3:08 PM, Mark Wieder wrote:
Jacque-
Sunday, February 3, 2013, 12:40:43 PM, you wrote:
In the case of sockets and drivers it is possible to read without error
but not receive all the data due to communication issues. In that case
you'd want to know if the read had paused or had really finished.
I was about to post the same, but then Bob would be on my case
instead <g>, so I'm glad you beat me to it. I'd be happier if the read
command had been written to return the number of characters read, in
which case 0 or -1 would be an error, but we're stuck with what we've
got.
If you're reading a serial port, you don't always know how many
characters to expect. I'm not sure if that's still the same thing though.
--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
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