| 1 | #include <stdio.h> |
|---|---|
| 2 | #include <dirent.h> |
| 3 | #include <stdlib.h> |
| 4 | |
| 5 | static int |
| 6 | do_test (void) |
| 7 | { |
| 8 | DIR * dirp; |
| 9 | long int save3 = 0; |
| 10 | long int cur; |
| 11 | int i = 0; |
| 12 | int result = 0; |
| 13 | struct dirent *dp; |
| 14 | long int save0; |
| 15 | long int rewind; |
| 16 | |
| 17 | dirp = opendir (name: "."); |
| 18 | if (dirp == NULL) |
| 19 | { |
| 20 | printf (format: "opendir failed: %m\n"); |
| 21 | return 1; |
| 22 | } |
| 23 | |
| 24 | save0 = telldir (dirp: dirp); |
| 25 | if (save0 == -1) |
| 26 | { |
| 27 | printf (format: "telldir failed: %m\n"); |
| 28 | result = 1; |
| 29 | } |
| 30 | |
| 31 | for (dp = readdir (dirp: dirp); dp != NULL; dp = readdir (dirp: dirp)) |
| 32 | { |
| 33 | /* save position 3 (after fourth entry) */ |
| 34 | if (i++ == 3) |
| 35 | save3 = telldir (dirp: dirp); |
| 36 | |
| 37 | printf (format: "%s\n", dp->d_name); |
| 38 | |
| 39 | /* stop at 400 (just to make sure dirp->__offset and dirp->__size are |
| 40 | scrambled */ |
| 41 | if (i == 400) |
| 42 | break; |
| 43 | } |
| 44 | |
| 45 | printf (format: "going back past 4-th entry...\n"); |
| 46 | |
| 47 | /* go back to saved entry */ |
| 48 | seekdir (dirp: dirp, pos: save3); |
| 49 | |
| 50 | /* Check whether telldir equals to save3 now. */ |
| 51 | cur = telldir (dirp: dirp); |
| 52 | if (cur != save3) |
| 53 | { |
| 54 | printf (format: "seekdir (d, %ld); telldir (d) == %ld\n", save3, cur); |
| 55 | result = 1; |
| 56 | } |
| 57 | |
| 58 | /* print remaining files (3-last) */ |
| 59 | for (dp = readdir (dirp: dirp); dp != NULL; dp = readdir (dirp: dirp)) |
| 60 | printf (format: "%s\n", dp->d_name); |
| 61 | |
| 62 | /* Check rewinddir */ |
| 63 | rewinddir (dirp: dirp); |
| 64 | rewind = telldir (dirp: dirp); |
| 65 | if (rewind == -1) |
| 66 | { |
| 67 | printf (format: "telldir failed: %m\n"); |
| 68 | result = 1; |
| 69 | } |
| 70 | else if (save0 != rewind) |
| 71 | { |
| 72 | printf (format: "rewinddir didn't reset directory stream\n"); |
| 73 | result = 1; |
| 74 | } |
| 75 | |
| 76 | closedir (dirp: dirp); |
| 77 | return result; |
| 78 | } |
| 79 | |
| 80 | #define TEST_FUNCTION do_test () |
| 81 | #include "../test-skeleton.c" |
| 82 |