* version1 < version2 : -1 * version1 = version2 : 0 * version1 > version2 : 1 */
| 399 | * version1 > version2 : 1 |
| 400 | */ |
| 401 | int |
| 402 | compare_version(const char *version1, const char *version2) |
| 403 | { |
| 404 | int rc = 0; |
| 405 | int lpc = 0; |
| 406 | char *ver1_copy = NULL, *ver2_copy = NULL; |
| 407 | char *rest1 = NULL, *rest2 = NULL; |
| 408 | |
| 409 | if (version1 == NULL && version2 == NULL) { |
| 410 | return 0; |
| 411 | } else if (version1 == NULL) { |
| 412 | return -1; |
| 413 | } else if (version2 == NULL) { |
| 414 | return 1; |
| 415 | } |
| 416 | |
| 417 | ver1_copy = strdup(version1); |
| 418 | ver2_copy = strdup(version2); |
| 419 | rest1 = ver1_copy; |
| 420 | rest2 = ver2_copy; |
| 421 | |
| 422 | while (1) { |
| 423 | int digit1 = 0; |
| 424 | int digit2 = 0; |
| 425 | |
| 426 | lpc++; |
| 427 | |
| 428 | if (rest1 == rest2) { |
| 429 | break; |
| 430 | } |
| 431 | |
| 432 | if (rest1 != NULL) { |
| 433 | digit1 = crm_version_helper(rest1, &rest1); |
| 434 | } |
| 435 | |
| 436 | if (rest2 != NULL) { |
| 437 | digit2 = crm_version_helper(rest2, &rest2); |
| 438 | } |
| 439 | |
| 440 | if (digit1 < digit2) { |
| 441 | rc = -1; |
| 442 | crm_trace("%d < %d", digit1, digit2); |
| 443 | break; |
| 444 | |
| 445 | } else if (digit1 > digit2) { |
| 446 | rc = 1; |
| 447 | crm_trace("%d > %d", digit1, digit2); |
| 448 | break; |
| 449 | } |
| 450 | |
| 451 | if (rest1 != NULL && rest1[0] == '.') { |
| 452 | rest1++; |
| 453 | } |
| 454 | if (rest1 != NULL && rest1[0] == 0) { |
| 455 | rest1 = NULL; |
| 456 | } |
| 457 | |
| 458 | if (rest2 != NULL && rest2[0] == '.') { |