In message <[EMAIL PROTECTED]> Brian Somers writes:
: Exactly - ditto for gethostbyname(). In the case of gethostbyname(),
: I believe that domain names can't have a number as the first
: character - I would have thought this idea should follow through with
: services.
No. That is in error. 3com.com or 2112.com. See RFC 1123 for the
loosening of the restriction. You have to parse the whole string to
know if it is a valid IP address or not anyway.
: I know I'd be pretty annoyed if I tried to do something like ``ssh -p
: 1234 somewhere'' after configuring my interface in single-user modem
: with nis in /etc/host.conf and found that ssh was looking up 1234 in
: /etc/services. Even if this is right, it's not intuitive.
But inetd isn't involved here at all. You do bring up a good point
here in argument by analogy.
However your rule for isdigit(arg[0]) breaks the following services:
3com-tsmux 106/tcp
3com-tsmux 106/udp
914c/g 211/tcp #Texas Instruments 914C/G Terminal
914c/g 211/udp #Texas Instruments 914C/G Terminal
9pfs 564/tcp #plan 9 file service
9pfs 564/udp #plan 9 file service
3l-l1 1511/tcp
3l-l1 1511/udp
3ds-lm 1538/tcp
3ds-lm 1538/udp
3m-image-lm 1550/tcp #Image Storage license manager 3M Company
3m-image-lm 1550/udp #Image Storage license manager 3M Company
at least we know there are no all numeric service names in the
standard /etc/services file.
Warner
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