const-xs.inc
上传用户:wxp200602
上传日期:2007-10-30
资源大小:4028k
文件大小:3k
- void
- constant(sv)
- PREINIT:
- #ifdef dXSTARG
- dXSTARG; /* Faster if we have it. */
- #else
- dTARGET;
- #endif
- STRLEN len;
- int type;
- IV iv;
- /* 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:
- /* Change this to constant(aTHX_ s, len, &iv, &nv);
- if you need to return both NVs and IVs */
- type = constant(aTHX_ s, len, &iv);
- /* 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 NetSNMP::TrapReceiver macro", s));
- PUSHs(sv);
- break;
- case PERL_constant_NOTDEF:
- sv = sv_2mortal(newSVpvf(
- "Your vendor has not defined NetSNMP::TrapReceiver macro %s, used", s));
- PUSHs(sv);
- break;
- 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 NetSNMP::TrapReceiver macro %s, used",
- type, s));
- PUSHs(sv);
- }