| 463 | |
| 464 | |
| 465 | static int get_file_size(const SCHAR* prog_name, const SCHAR* string, SINT64* file_size) |
| 466 | { |
| 467 | /******************************************************************** |
| 468 | ** |
| 469 | ** g e t _ f i l e _ s i z e |
| 470 | ** |
| 471 | ********************************************************************* |
| 472 | ** |
| 473 | ** Functional description: |
| 474 | ** |
| 475 | ** processing file size specification and returns calculated |
| 476 | ** file size. |
| 477 | ** |
| 478 | ********************************************************************* |
| 479 | */ |
| 480 | |
| 481 | UCHAR c; |
| 482 | |
| 483 | for (const SCHAR* p = string; (c = *p++);) |
| 484 | { |
| 485 | if (c == '\0') |
| 486 | break; |
| 487 | |
| 488 | if (isdigit(c)) |
| 489 | *file_size = *file_size * 10 + (c - '0'); |
| 490 | else |
| 491 | { |
| 492 | if ((isalpha(c)) && (UPPER(c) == 'G' || UPPER(c) == 'K' || UPPER(c) == 'M')) |
| 493 | { |
| 494 | SLONG size_indicator = 0; |
| 495 | switch (UPPER(c)) |
| 496 | { |
| 497 | case 'K': |
| 498 | size_indicator = K_BYTES; |
| 499 | break; |
| 500 | |
| 501 | case 'M': |
| 502 | size_indicator = M_BYTES; |
| 503 | break; |
| 504 | |
| 505 | case 'G': |
| 506 | size_indicator = G_BYTES; |
| 507 | break; |
| 508 | |
| 509 | default: |
| 510 | break; |
| 511 | } // end of switch( UPPER (c) ) |
| 512 | |
| 513 | *file_size = *file_size * size_indicator; |
| 514 | } |
| 515 | else |
| 516 | { |
| 517 | // invalid size indicator |
| 518 | |
| 519 | fprintf(stderr, "%s: invalid size indicator '%s'\n", prog_name, string); |
| 520 | print_clo(prog_name); |
| 521 | return FB_FAILURE; |
| 522 | } |