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Postings from November 1999
Kevin Ryan <kevinr@col.hp.com> writes:
>I was in:
>
>http://www.perl.com/CPAN-local/doc/manual/html/pod/perlembed.html#Compiling_your_C_program
That documents up-to-date perl i.e. perl5.005+
>
>and I had trouble compiling the string.c example. Specifically the
>line:
>
>printf("a = %s\n", SvPV(perl_get_sv("a", FALSE), PL_na));
>
>was the trouble maker. PL_na was undefined. I did, however, find:
>
>/opt/perl5/lib/CORE/perl.h:EXT STRLEN na; /* for use in
>SvPV when length is Not Applicable */
>
>So I changed the line to the following and it compiles/runs just fine.
>
>printf("a = %s\n", SvPV(perl_get_sv("a", FALSE), na));
>
>------------------------------------------------------------
>perl -V gives:
>Summary of my perl5 (5.0 patchlevel 4 subversion 4) configuration:
Yes for old perl5.00404 it used to be called 'na' - we changed it
so that all the variable names are consistently prefixed PL_ to avoid
clashes with user variables. While 'na' may not be too much of a problem
'dirty' and serveral others were a real problem.
--
Nick Ing-Simmons
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