int
perl_math_int128_load(int required_version) {
dTHX;
SV **svp;
eval_pv("require Math::Int128", TRUE);
if (SvTRUE(ERRSV)) return 0;
math_int128_c_api_hash = get_hv("Math::Int128::C_API", 0);
if (!math_int128_c_api_hash) {
sv_setpv_mg(ERRSV, "Unable to load Math::Int128 C API");
return 0;
}
math_int128_c_api_min_version = SvIV(*hv_fetch(math_int128_c_api_hash, "min_version", 11, 1));
math_int128_c_api_max_version = SvIV(*hv_fetch(math_int128_c_api_hash, "max_version", 11, 1));
if ((required_version < math_int128_c_api_min_version) ||
(required_version > math_int128_c_api_max_version)) {
sv_setpvf_mg(ERRSV,
"Math::Int128 C API version mismatch. "
"The installed module supports versions %d to %d but %d is required",
math_int128_c_api_min_version,
math_int128_c_api_max_version,
required_version);
return 0;
}
svp = hv_fetch(math_int128_c_api_hash, "SvI128", 6, 0);
if (!svp || !*svp) {
sv_setpv_mg(ERRSV, "Unable to fetch pointer 'SvI128' C function from Math::Int128");
return 0;
}
math_int128_c_api_SvI128 = INT2PTR(void *, SvIV(*svp));
svp = hv_fetch(math_int128_c_api_hash, "SvI128OK", 8, 0);
if (!svp || !*svp) {
sv_setpv_mg(ERRSV, "Unable to fetch pointer 'SvI128OK' C function from Math::Int128");
return 0;
}
math_int128_c_api_SvI128OK = INT2PTR(void *, SvIV(*svp));
svp = hv_fetch(math_int128_c_api_hash, "SvU128", 6, 0);
if (!svp || !*svp) {
sv_setpv_mg(ERRSV, "Unable to fetch pointer 'SvU128' C function from Math::Int128");
return 0;
}
math_int128_c_api_SvU128 = INT2PTR(void *, SvIV(*svp));
svp = hv_fetch(math_int128_c_api_hash, "SvU128OK", 8, 0);
if (!svp || !*svp) {
sv_setpv_mg(ERRSV, "Unable to fetch pointer 'SvU128OK' C function from Math::Int128");
return 0;
}
math_int128_c_api_SvU128OK = INT2PTR(void *, SvIV(*svp));
svp = hv_fetch(math_int128_c_api_hash, "newSVi128", 9, 0);
if (!svp || !*svp) {
sv_setpv_mg(ERRSV, "Unable to fetch pointer 'newSVi128' C function from Math::Int128");
return 0;
}
math_int128_c_api_newSVi128 = INT2PTR(void *, SvIV(*svp));
svp = hv_fetch(math_int128_c_api_hash, "newSVu128", 9, 0);
if (!svp || !*svp) {
sv_setpv_mg(ERRSV, "Unable to fetch pointer 'newSVu128' C function from Math::Int128");
return 0;
}
math_int128_c_api_newSVu128 = INT2PTR(void *, SvIV(*svp));
return 1;
}
void swiftperl_setpv(void *vp, const char *pv) {
sv_setpv_mg((SV *)vp, pv);
}
