################################################################################
##
##  Version 3.x, Copyright (C) 2004-2013, 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__
newSVpvn_flags

=implementation

#if { VERSION < 5.6.0 }
# define D_PPP_CONSTPV_ARG(x)  ((char *) (x))
#else
# define D_PPP_CONSTPV_ARG(x)  (x)
#endif

__UNDEFINED__  newSVpvn(data,len)  ((data)                                              \
                                    ? ((len) ? newSVpv((data), (len)) : newSVpv("", 0)) \
                                    : newSV(0))

__UNDEFINED__  newSVpvn_utf8(s, len, u)  newSVpvn_flags((s), (len), (u) ? SVf_UTF8 : 0)

__UNDEFINED__  SVf_UTF8  0

#ifndef newSVpvn_flags
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
# define newSVpvn_flags(s, len, flags) ({ SV *_sv = newSVpvn(D_PPP_CONSTPV_ARG((s)), (len)); SvFLAGS(_sv) |= ((flags) & SVf_UTF8); ((flags) & SVs_TEMP) ? sv_2mortal(_sv) : _sv; })
#else
# define newSVpvn_flags(s, len, flags) ((PL_Sv = newSVpvn(D_PPP_CONSTPV_ARG((s)), (len))), SvFLAGS(PL_Sv) |= ((flags) & SVf_UTF8), (((flags) & SVs_TEMP) ? sv_2mortal(PL_Sv) : PL_Sv))
#endif
#endif

=xsubs

void
newSVpvn()
        PPCODE:
                mXPUSHs(newSVpvn("test", 4));
                mXPUSHs(newSVpvn("test", 2));
                mXPUSHs(newSVpvn("test", 0));
                mXPUSHs(newSVpvn(NULL, 2));
                mXPUSHs(newSVpvn(NULL, 0));
                XSRETURN(5);

void
newSVpvn_flags()
        PPCODE:
                XPUSHs(newSVpvn_flags("test", 4, SVs_TEMP));
                XPUSHs(newSVpvn_flags("test", 2, SVs_TEMP));
                XPUSHs(newSVpvn_flags("test", 0, SVs_TEMP));
                XPUSHs(newSVpvn_flags(NULL, 2, SVs_TEMP));
                XPUSHs(newSVpvn_flags(NULL, 0, SVs_TEMP));
                XSRETURN(5);

void
newSVpvn_utf8()
        PPCODE:
                XPUSHs(newSVpvn_flags("test", 4, SVs_TEMP|SVf_UTF8));
                XSRETURN(1);

=tests plan => 15

my @s = &Devel::PPPort::newSVpvn();
ok(@s == 5);
ok($s[0], "test");
ok($s[1], "te");
ok($s[2], "");
ok(!defined($s[3]));
ok(!defined($s[4]));

@s = &Devel::PPPort::newSVpvn_flags();
ok(@s == 5);
ok($s[0], "test");
ok($s[1], "te");
ok($s[2], "");
ok(!defined($s[3]));
ok(!defined($s[4]));

@s = &Devel::PPPort::newSVpvn_utf8();
ok(@s == 1);
ok($s[0], "test");

if ("$]" >= 5.008001) {
  require utf8;
  ok(utf8::is_utf8($s[0]));
}
else {
  skip("skip: no is_utf8()", 0);
}