/* $Id: inet_ntop.c,v 1.2 2002/09/05 22:20:32 stefan Exp $ */
#include <errno.h>
#include <stdio.h>
#include <string.h>

#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif

#if !defined(_WIN32)
#define _POSIX_C_SOURCE 199506L
#define _XOPEN_SOURCE_EXTENDED

#if defined(HAVE_SYS_TYPES_H)
#include <sys/types.h>
#endif
#if defined(HAVE_SYS_SOCKET_H)
#include <sys/socket.h>
#endif
#else
#include <winsock2.h>
#endif

#include "missing.h"

const char *
inet_ntop(int af, const void *src, char *dst, socklen_t size)
{
    const unsigned char     *p = src;
    char                    tmp[sizeof "255.255.255.255"];

    if (af != AF_INET)
    {
        errno = EAFNOSUPPORT;
        return NULL;
    }

    if (p[0] > 255 || p[1] > 255 || p[2] > 255 || p[3] > 255 ||
        sprintf(tmp, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]) >= size)
    {
        errno = ENOSPC;
        return NULL;
    }

    return strcpy(dst, tmp);
}