| #include "iw.h" |
| |
| int mac_addr_n2a(char *mac_addr, unsigned char *arg) |
| { |
| int i, l; |
| |
| l = 0; |
| for (i = 0; i < ETH_ALEN ; i++) { |
| if (i == 0) { |
| sprintf(mac_addr+l, "%02x", arg[i]); |
| l += 2; |
| } else { |
| sprintf(mac_addr+l, ":%02x", arg[i]); |
| l += 3; |
| } |
| } |
| return 0; |
| } |
| |
| int mac_addr_a2n(unsigned char *mac_addr, char *arg) |
| { |
| int i; |
| |
| for (i = 0; i < ETH_ALEN ; i++) { |
| int temp; |
| char *cp = strchr(arg, ':'); |
| if (cp) { |
| *cp = 0; |
| cp++; |
| } |
| if (sscanf(arg, "%x", &temp) != 1) |
| return -1; |
| if (temp < 0 || temp > 255) |
| return -1; |
| |
| mac_addr[i] = temp; |
| if (!cp) |
| break; |
| arg = cp; |
| } |
| if (i < ETH_ALEN - 1) |
| return -1; |
| |
| return 0; |
| } |