| 340 | } |
| 341 | |
| 342 | static void |
| 343 | nat64lsn_parse_prefix(const char *arg, int af, void *prefix, uint16_t *plen) |
| 344 | { |
| 345 | char *p, *l; |
| 346 | |
| 347 | p = strdup(arg); |
| 348 | if (p == NULL) |
| 349 | err(EX_OSERR, NULL); |
| 350 | if ((l = strchr(p, '/')) != NULL) |
| 351 | *l++ = '\0'; |
| 352 | if (l == NULL) |
| 353 | errx(EX_USAGE, "Prefix length required"); |
| 354 | if (inet_pton(af, p, prefix) != 1) |
| 355 | errx(EX_USAGE, "Bad prefix: %s", p); |
| 356 | *plen = (uint16_t)strtol(l, &l, 10); |
| 357 | if (*l != '\0' || *plen == 0 || (af == AF_INET && *plen > 32) || |
| 358 | (af == AF_INET6 && *plen > 96)) |
| 359 | errx(EX_USAGE, "Bad prefix length: %s", arg); |
| 360 | nat64lsn_apply_mask(af, prefix, *plen); |
| 361 | free(p); |
| 362 | } |
| 363 | |
| 364 | static uint32_t |
| 365 | nat64lsn_parse_int(const char *arg, const char *desc) |
no test coverage detected