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#include <errno.h>
#include <sys/types.h>
#include <netinet/in.h>
#include "utils.h"
static __inline__ int do_digit(char *str, u_int32_t addr, u_int32_t scale, size_t *pos, size_t len)
{
u_int32_t tmp = addr >> (scale * 4);
if (*pos == len)
return 1;
tmp &= 0x0f;
if (tmp > 9)
*str = tmp + 'A' - 10;
else
*str = tmp + '0';
(*pos)++;
return 0;
}
static const char *ipx_ntop1(const struct ipx_addr *addr, char *str, size_t len)
{
int i;
size_t pos = 0;
if (len == 0)
return str;
for(i = 7; i >= 0; i--)
if (do_digit(str + pos, ntohl(addr->ipx_net), i, &pos, len))
return str;
if (pos == len)
return str;
*(str + pos) = '.';
pos++;
for(i = 0; i < 6; i++) {
if (do_digit(str + pos, addr->ipx_node[i], 1, &pos, len))
return str;
if (do_digit(str + pos, addr->ipx_node[i], 0, &pos, len))
return str;
}
if (pos == len)
return str;
*(str + pos) = 0;
return str;
}
const char *ipx_ntop(int af, const void *addr, char *str, size_t len)
{
switch(af) {
case AF_IPX:
errno = 0;
return ipx_ntop1((struct ipx_addr *)addr, str, len);
default:
errno = EAFNOSUPPORT;
}
return NULL;
}
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