diff options
Diffstat (limited to 'contrib/perl5/pod/perlcall.pod')
| -rw-r--r-- | contrib/perl5/pod/perlcall.pod | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/contrib/perl5/pod/perlcall.pod b/contrib/perl5/pod/perlcall.pod index c239cfe..2b83780 100644 --- a/contrib/perl5/pod/perlcall.pod +++ b/contrib/perl5/pod/perlcall.pod @@ -72,7 +72,7 @@ Each of the functions will now be discussed in turn. =over 5 -=item B<perl_call_sv> +=item perl_call_sv I<perl_call_sv> takes two parameters, the first, C<sv>, is an SV*. This allows you to specify the Perl subroutine to be called either as a @@ -80,7 +80,7 @@ C string (which has first been converted to an SV) or a reference to a subroutine. The section, I<Using perl_call_sv>, shows how you can make use of I<perl_call_sv>. -=item B<perl_call_pv> +=item perl_call_pv The function, I<perl_call_pv>, is similar to I<perl_call_sv> except it expects its first parameter to be a C char* which identifies the Perl @@ -88,7 +88,7 @@ subroutine you want to call, e.g., C<perl_call_pv("fred", 0)>. If the subroutine you want to call is in another package, just include the package name in the string, e.g., C<"pkg::fred">. -=item B<perl_call_method> +=item perl_call_method The function I<perl_call_method> is used to call a method from a Perl class. The parameter C<methname> corresponds to the name of the method @@ -99,7 +99,7 @@ object (for a virtual method). See L<perlobj> for more information on static and virtual methods and L<Using perl_call_method> for an example of using I<perl_call_method>. -=item B<perl_call_argv> +=item perl_call_argv I<perl_call_argv> calls the Perl subroutine specified by the C string stored in the C<subname> parameter. It also takes the usual C<flags> @@ -971,7 +971,8 @@ and some C to call it /* Check the eval first */ if (SvTRUE(ERRSV)) { - printf ("Uh oh - %s\n", SvPV(ERRSV, PL_na)) ; + STRLEN n_a; + printf ("Uh oh - %s\n", SvPV(ERRSV, n_a)) ; POPs ; } else @@ -1013,7 +1014,8 @@ The code if (SvTRUE(ERRSV)) { - printf ("Uh oh - %s\n", SvPV(ERRSV, PL_na)) ; + STRLEN n_a; + printf ("Uh oh - %s\n", SvPV(ERRSV, n_a)) ; POPs ; } @@ -1923,8 +1925,8 @@ refers to the last. =head2 Creating and calling an anonymous subroutine in C As we've already shown, C<perl_call_sv> can be used to invoke an -anonymous subroutine. However, our example showed how Perl script -invoking an XSUB to preform this operation. Let's see how it can be +anonymous subroutine. However, our example showed a Perl script +invoking an XSUB to perform this operation. Let's see how it can be done inside our C code: ... |
