#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
-#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
(type == ARPHRD_TUNNEL || type == ARPHRD_SIT || type == ARPHRD_IPGRE)) {
return inet_ntop(AF_INET, addr, buf, blen);
}
- if (alen == 16 && type == ARPHRD_TUNNEL6) {
+ if (alen == 16 &&
+ (type == ARPHRD_TUNNEL6 || type == ARPHRD_IP6GRE)) {
return inet_ntop(AF_INET6, addr, buf, blen);
}
- l = 0;
- for (i=0; i<alen; i++) {
- if (i==0) {
- snprintf(buf+l, blen, "%02x", addr[i]);
- blen -= 2;
- l += 2;
- } else {
- snprintf(buf+l, blen, ":%02x", addr[i]);
- blen -= 3;
- l += 3;
- }
- }
+ snprintf(buf, blen, "%02x", addr[0]);
+ for (i = 1, l = 2; i < alen && l < blen; i++, l += 3)
+ snprintf(buf + l, blen - l, ":%02x", addr[i]);
return buf;
}