Method: Addrinfo#ipv4_loopback?

Defined in:
raddrinfo.c

#ipv4_loopback? ⇒ Boolean

Returns true for IPv4 loopback address (127.0.0.0/8). It returns false otherwise.

Returns:

  • (Boolean) 


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# File 'raddrinfo.c', line 2538

static VALUE
addrinfo_ipv4_loopback_p(VALUE self)
{
    uint32_t a;
    if (!extract_in_addr(self, &a)) return Qfalse;
    if ((a & 0xff000000) == 0x7f000000) /* 127.0.0.0/8 */
        return Qtrue;
    return Qfalse;
}