Messages in this thread |  | | | Date | Wed, 21 Mar 2001 14:31:29 +0100 (CET) | | From | Kai Germaschewski <> | | Subject | Re: strange problem with /dev/isdninfo |
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On Wed, 21 Mar 2001, Joern Heissler wrote:
> I've got a strange problem with /dev/isdninfo: > > joern:~# cat /dev/isdninfo > idmap: Hisax... > chmap: 0 1 ... > > --> cat /dev/isdninfo works :-) > > Here's the problem: > > open("/dev/isdninfo", O_RDONLY) = 3 > read(3, "", 200) = 0 > > Could someone please tell me what's wrong? I (and some other people) do not understand this.
Well, /dev/isdninfo will only return the info to you if it entirely fits into the supplied buffer. So, you should try a read with 2048 bytes or so, and it'll work just fine.
Not that I think that the current behavior is particularly smart, but that's how things are.
--Kai
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