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Ruby latest stable (v1_9_3_392) - 0 notes - Class: BN
new(p1, p2 = v2) public

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static VALUE
ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
{
    BIGNUM *bn;
    VALUE str, bs;
    int base = 10;

    if (rb_scan_args(argc, argv, "11", &str, &bs) == 2) {
        base = NUM2INT(bs);
    }
    StringValue(str);
    GetBN(self, bn);
    if (RTEST(rb_obj_is_kind_of(str, cBN))) {
        BIGNUM *other;

        GetBN(str, other); /* Safe - we checked kind_of? above */
        if (!BN_copy(bn, other)) {
            ossl_raise(eBNError, NULL);
        }
        return self;
    }

    switch (base) {
    case 0:
        if (!BN_mpi2bn((unsigned char *)RSTRING_PTR(str), RSTRING_LENINT(str), bn)) {
            ossl_raise(eBNError, NULL);
        }
        break;
    case 2:
        if (!BN_bin2bn((unsigned char *)RSTRING_PTR(str), RSTRING_LENINT(str), bn)) {
            ossl_raise(eBNError, NULL);
        }
        break;
    case 10:
        if (!BN_dec2bn(&bn, RSTRING_PTR(str))) {
            ossl_raise(eBNError, NULL);
        }
        break;
    case 16:
        if (!BN_hex2bn(&bn, RSTRING_PTR(str))) {
            ossl_raise(eBNError, NULL);
        }
        break;
    default:
        ossl_raise(rb_eArgError, "invalid radix %d", base);
    }
    return self;
}
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