Subject:
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Re: PRGM button - am I missing something?
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Wed, 12 Jan 2000 02:43:33 GMT
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Viewed:
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1394 times
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In lugnet.robotics.rcx.legos, Markus L. Noga writes:
> Ben Jackson schrieb:
> > I think you need `dll -p0 foo.lx' and `dll -p1 bar.lx'.
>
> If getopt is working right, the position of switches shouldn't matter.
> If they do, it's broken.
From getopt(3) on BSD and other systems:
When all options have been processed (i.e., up to the first
non-option argument), getopt() returns -1.
However, from the Linux manpage:
By default, getopt() permutes the contents of argv as it
scans, so that eventually all the non-options are at the
end. Two other modes are also implemented. If the first
character of optstring is `+' or the environment variable
POSIXLY_CORRECT is set, then option processing stops as
soon as a non-option argument is encountered.
No surprise, Linux is nonstandard (or should I say: broken in a way that
someone thought was clever). Actually, to make dll and makelx build on other
platforms getopt_long has to be turned into getopt.
--Ben
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