* Calculate length of a struct group + given name */
| 561 | * Calculate length of a struct group + given name |
| 562 | */ |
| 563 | static size_t |
| 564 | grmemlen(const struct group *gr, const char *name, int *num_mem) |
| 565 | { |
| 566 | size_t len; |
| 567 | int i; |
| 568 | |
| 569 | if (gr == NULL) |
| 570 | return (0); |
| 571 | /* Calculate size of the group. */ |
| 572 | len = sizeof(*gr); |
| 573 | if (gr->gr_name != NULL) |
| 574 | len += strlen(gr->gr_name) + 1; |
| 575 | if (gr->gr_passwd != NULL) |
| 576 | len += strlen(gr->gr_passwd) + 1; |
| 577 | i = 0; |
| 578 | if (gr->gr_mem != NULL) { |
| 579 | for (; gr->gr_mem[i] != NULL; i++) { |
| 580 | len += strlen(gr->gr_mem[i]) + 1; |
| 581 | len += sizeof(*gr->gr_mem); |
| 582 | } |
| 583 | } |
| 584 | if (name != NULL) { |
| 585 | i++; |
| 586 | len += strlen(name) + 1; |
| 587 | len += sizeof(*gr->gr_mem); |
| 588 | } |
| 589 | /* Allow for NULL pointer */ |
| 590 | if (i != 0) |
| 591 | len += sizeof(*gr->gr_mem); |
| 592 | *num_mem = i; |
| 593 | return(len); |
| 594 | } |
| 595 | |
| 596 | /* |
| 597 | * Scan a line and place it into a group structure. |