Date: Tue, 1 Apr 1997 13:59:22 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, jb@cimlogic.com.au Cc: cvs-all@freefall.freebsd.org, CVS-committers@freefall.freebsd.org, cvs-include@freefall.freebsd.org, peter@freefall.freebsd.org, peter@spinner.dialix.com Subject: Re: cvs commit: src/include unistd.h Message-ID: <199704010359.NAA03631@godzilla.zeta.org.au>
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>> glibc is more careful about this. It declares getopt stuff if
>> __USE_POSIX2 is defined. __USE_POSIX2 is defined if
>>
>> defined _POSIX_C_SOURCE >= 2 || defined _XOPEN_SOURCE
^^^^^^^ editing error (was superfluous `defined _POSIX_C_SOURCE &&'
>>
>This doesn't comply with POSIX 1003.1b (and I assume .c). For POSIX 1003.1b,
>the _POSIX_C_SOURCE feature test is supposed to be compared against 199309L.
>And for 1003.1c, I guess that it is supposed to be 1996XXL where XX is the
>month that the update was (finally) published.
glibc attempts to support POSIX.1b 1993 stuff, but it (glibc-2.0 at
least) seems to assume that POSIX.1b contains POSIX.2. Is this wrong?
A POSIX.2 draft rationale says that "each new value [of _POSIX_C_SOURCE
is expected to reserve] the name space for that new standard or revision,
plus all earlier POSIX standards".
Bruce
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