void constant(sv) PREINIT: #ifdef dXSTARG dXSTARG; /* Faster if we have it. */ #else dTARGET; #endif STRLEN len; int type; /* IV iv; Uncomment this if you need to return IVs */ /* NV nv; Uncomment this if you need to return NVs */ /* const char *pv; Uncomment this if you need to return PVs */ INPUT: SV * sv; const char * s = SvPV(sv, len); PPCODE: type = constant(aTHX_ s, len); /* Return 1 or 2 items. First is error message, or undef if no error. Second, if present, is found value */ switch (type) { case PERL_constant_NOTFOUND: sv = sv_2mortal(newSVpvf("%s is not a valid Win32::EnvProcess macro", s)); PUSHs(sv); break; case PERL_constant_NOTDEF: sv = sv_2mortal(newSVpvf( "Your vendor has not defined Win32::EnvProcess macro %s, used", s)); PUSHs(sv); break; /* Uncomment this if you need to return IVs case PERL_constant_ISIV: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHi(iv); break; */ /* Uncomment this if you need to return NOs case PERL_constant_ISNO: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHs(&PL_sv_no); break; */ /* Uncomment this if you need to return NVs case PERL_constant_ISNV: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHn(nv); break; */ /* Uncomment this if you need to return PVs case PERL_constant_ISPV: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHp(pv, strlen(pv)); break; */ /* Uncomment this if you need to return PVNs case PERL_constant_ISPVN: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHp(pv, iv); break; */ /* Uncomment this if you need to return SVs case PERL_constant_ISSV: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHs(sv); break; */ /* Uncomment this if you need to return UNDEFs case PERL_constant_ISUNDEF: break; */ /* Uncomment this if you need to return UVs case PERL_constant_ISUV: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHu((UV)iv); break; */ /* Uncomment this if you need to return YESs case PERL_constant_ISYES: EXTEND(SP, 1); PUSHs(&PL_sv_undef); PUSHs(&PL_sv_yes); break; */ default: sv = sv_2mortal(newSVpvf( "Unexpected return type %d while processing Win32::EnvProcess macro %s, used", type, s)); PUSHs(sv); }