>> Is this binary data you are transmitting?

It is a TFTP data packet which starts with 0x00 0x03 0xhh 0xll and then has
string data following, but I guess the first 0x00 will already be interpreted
as the end of string?

Torsten

> On Tue, 2002-08-27 at 10:23, Torsten Schlabach wrote:
> > Hi!
> > 
> > I am not sure if I
> > a) misunderstood what the function is good for
> > b) found a documentation problem or
> > c) found a bug.
> > 
> > Maybe one of the more senior people on that list can advise me wether I
> > should file a bug report or not.
> > 
> > I am writing some code in PHP that makes use of the socket_ functions
> and
> > UDP communication. It is my understanding that the function
> socket_recvfrom()
> > is supposed to read from the socket up to as many bytes as I tell it,
> store
> > them in a buffer and fill in two variables that tell me from what
> address:port
> > the packet that I just read actually came from.
> > 
> > Am I right with that?
> 
> 
> yep
> 
> > 
> > If so: Everything seems fine for me except that the buffer is always
> empty
> > though the functions reports to me that it read n bytes. The other thing
> that
> > scares me is that I can (or should I say: have to) issue an additional
> > socket_read to read the same packet again; this time my buffer being
> filles.
> 
> I just took a look and it appears that socket_recvfrom is not binary
> safe. I bet this is the problem you are seeing. Is this binary data you
> are transmitting?
> 
> I will have commit binary safety for the fix shortly
> 
> -Jason
> 
> > 
> > In fact I could leave out the socket_recvfrom() and just call
> socket_read,
> > but that way I do not get to know the address:port of the sender.
> > 
> > But I don't think it is meant to be use that way (calling both functions
> one
> > after the other) to get one packet, is it?
> > 
> > Any thoughts are welcome.
> > 
> > Regards,
> > Torsten
> > 
> > 
> > -- 
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> > 
> 
> 
> 
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