char *
socktoa(
const sockaddr_u *sock
)
{
register char *buffer;
LIB_GETBUF(buffer);
if (NULL == sock)
strncpy(buffer, "(null)", LIB_BUFLENGTH);
else {
switch(AF(sock)) {
case AF_INET:
case AF_UNSPEC:
inet_ntop(AF_INET, PSOCK_ADDR4(sock), buffer,
LIB_BUFLENGTH);
break;
case AF_INET6:
inet_ntop(AF_INET6, PSOCK_ADDR6(sock), buffer,
LIB_BUFLENGTH);
break;
default:
snprintf(buffer, LIB_BUFLENGTH,
"(socktoa unknown family %d)",
AF(sock));
}
}
return buffer;
}
/*
* socktoa - return a numeric host name from a sockaddr_storage structure
*/
const char *
socktoa(
const sockaddr_u *sock
)
{
int saved_errno;
char * res;
char * addr;
u_long scope;
saved_errno = errno;
LIB_GETBUF(res);
if (NULL == sock) {
strlcpy(res, "(null)", LIB_BUFLENGTH);
} else {
switch(AF(sock)) {
case AF_INET:
case AF_UNSPEC:
inet_ntop(AF_INET, PSOCK_ADDR4(sock), res,
LIB_BUFLENGTH);
break;
case AF_INET6:
inet_ntop(AF_INET6, PSOCK_ADDR6(sock), res,
LIB_BUFLENGTH);
scope = SCOPE_VAR(sock);
if (0 != scope && !strchr(res, '%')) {
addr = res;
LIB_GETBUF(res);
snprintf(res, LIB_BUFLENGTH, "%s%%%lu",
addr, scope);
res[LIB_BUFLENGTH - 1] = '\0';
}
break;
default:
snprintf(res, LIB_BUFLENGTH,
"(socktoa unknown family %d)",
AF(sock));
}
}
errno = saved_errno;
return res;
}
