pvs

source of perl for linux application,

################################################################################
##
##  $Revision: 6 $
##  $Author: mhx $
##  $Date: 2007/10/04 12:26:54 +0200 $
##
################################################################################
##
##  Version 3.x, Copyright (C) 2004-2007, Marcus Holland-Moritz.
##  Version 2.x, Copyright (C) 2001, Paul Marquess.
##  Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
##
##  This program is free software; you can redistribute it and/or
##  modify it under the same terms as Perl itself.
##
################################################################################

=provides

__UNDEFINED__

=implementation

/* concatenating with "" ensures that only literal strings are accepted as argument
 * note that STR_WITH_LEN() can't be used as argument to macros or functions that
 * under some configurations might be macros
 */

__UNDEFINED__  STR_WITH_LEN(s)             (s ""), (sizeof(s)-1)

__UNDEFINED__  newSVpvs(str)               newSVpvn(str "", sizeof(str) - 1)
__UNDEFINED__  sv_catpvs(sv, str)          sv_catpvn(sv, str "", sizeof(str) - 1)
__UNDEFINED__  sv_setpvs(sv, str)          sv_setpvn(sv, str "", sizeof(str) - 1)
__UNDEFINED__  hv_fetchs(hv, key, lval)    hv_fetch(hv, key "", sizeof(key) - 1, lval)
__UNDEFINED__  hv_stores(hv, key, val)     hv_store(hv, key "", sizeof(key) - 1, val, 0)

=xsubs

void
newSVpvs()
	PPCODE:
		XPUSHs(newSVpvs("newSVpvs"));
		XSRETURN(1);

void
sv_catpvs(sv)
	SV *sv
	PPCODE:
		sv_catpvs(sv, "sv_catpvs");

void
sv_setpvs(sv)
	SV *sv
	PPCODE:
		sv_setpvs(sv, "sv_setpvs");

void
hv_fetchs(hv)
	SV *hv
	PREINIT:
		SV **s;
	PPCODE:
		s = hv_fetchs((HV *) SvRV(hv), "hv_fetchs", 0);
		XPUSHs(sv_mortalcopy(*s));
		XSRETURN(1);

void
hv_stores(hv, sv)
	SV *hv
	SV *sv
	PPCODE:
		(void) hv_stores((HV *) SvRV(hv), "hv_stores", SvREFCNT_inc_simple(sv));

=tests plan => 7

my $x = 'foo';

ok(Devel::PPPort::newSVpvs(), "newSVpvs");

Devel::PPPort::sv_catpvs($x);
ok($x, "foosv_catpvs");

Devel::PPPort::sv_setpvs($x);
ok($x, "sv_setpvs");

my %h = ('hv_fetchs' => 42);
Devel::PPPort::hv_stores(\%h, 4711);
ok(scalar keys %h, 2);
ok(exists $h{'hv_stores'});
ok($h{'hv_stores'}, 4711);
ok(Devel::PPPort::hv_fetchs(\%h), 42);