Re: WINDOWS and inet_ntop vs. WSAAddressToString

[Jeroen Massar]

mclellan, dave wrote:
> Hi:  I can't seem to find inet_ntop and _pton implemented under WIN32 (and
> 64-bit).  WSAAddressToString does the job, except its answer doesn't comply
> with inet_ntop.   WSAAddressToString returnes the IP address enclosed in
> square brackets, followed by the port.  I need just the address, not the
> other decorations.  
> 
> Have I missed something?   is inet_ntop really there somewhere, but I can't
> find it?  It's not mentioned in MSDN that I can find.  

It is not there, in general I would use something to wrap it like the
two functions defined below.

Greets,
 Jeroen

--
#ifdef _WIN32
const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
{
        if (af == AF_INET)
        {
                struct sockaddr_in in;
                memset(&in, 0, sizeof(in));
                in.sin_family = AF_INET;
                memcpy(&in.sin_addr, src, sizeof(struct in_addr));
                getnameinfo((struct sockaddr *)&in, sizeof(struct
sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST);
                return dst;
        }
        else if (af == AF_INET6)
        {
                struct sockaddr_in6 in;
                memset(&in, 0, sizeof(in));
                in.sin6_family = AF_INET6;
                memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
                getnameinfo((struct sockaddr *)&in, sizeof(struct
sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST);
                return dst;
        }
        return NULL;
}

int inet_pton(int af, const char *src, void *dst)
{
        struct addrinfo hints, *res, *ressave;

        memset(&hints, 0, sizeof(struct addrinfo));
        hints.ai_family = af;

        if (getaddrinfo(src, NULL, &hints, &res) != 0)
        {
                dolog(LOG_ERR, "Couldn't resolve host %s\n", src);
                return -1;
        }

        ressave = res;

        while (res)
        {
                memcpy(dst, res->ai_addr, res->ai_addrlen);
                res = res->ai_next;
        }

        freeaddrinfo(ressave);
        return 0;
}

#endif

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