/*
* str_to_inet_gw:
* The syntax of `str' is IP:devname, i.e. 192.168.1.1:eth0.
* str_to_inet_gw() stores the IP in `gw'.
* In `*dev' is returned the pointer to a newly allocated string containing
* the device name.
* On error -1 is returned.
*/
int
str_to_inet_gw(char *str, inet_prefix * gw, char **dev)
{
char *buf;
setzero(dev, IFNAMSIZ);
/* Copy :devname in `dev' */
if (!(buf = rindex(str, ':')))
return -1;
*buf = 0;
buf++;
if (!*buf)
/* No device was specified */
return -1;
if (strlen(buf) >= IFNAMSIZ)
/* It is too long, truncate it */
buf[IFNAMSIZ - 1] = 0;
*dev = xstrndup(buf, IFNAMSIZ);
/* Extract the IP from the first part of `str' */
if (str_to_inet(str, gw))
return -1;
return 0;
}
int inet_pton(int af, const char *buff, void *addr) {
int ret;
switch (af) {
default:
ret = -EAFNOSUPPORT;
break;
case AF_INET:
ret = str_to_inet(buff, (struct in_addr *)addr);
break;
case AF_INET6:
ret = str_to_inet6(buff, (struct in6_addr *)addr);
break;
}
if (ret < 0) {
SET_ERRNO(-ret);
return -1;
}
return ret == 0 ? 1 : 0;
}
int inet_aton(const char *cp, struct in_addr *addr) {
return 0 == str_to_inet(cp, addr) ? 1 : 0;
}
in_addr_t inet_addr(const char *cp) {
struct in_addr in;
return 0 == str_to_inet(cp, &in) ? in.s_addr : (in_addr_t)-1;
}