src/tests/system/libroot/posix/dirent_test.cpp

   1 /*
   2  * Copyright 2008-2009, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <dirent.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10
  11
  12 int
  13 main(int argc, char** argv)
  14 {
  15         dirent *buf, *dirent;
  16         DIR* dir = opendir(".");
  17
  18         printf("first pass:\n");
  19         while (true) {
  20                 dirent = readdir(dir);
  21                 if (dirent == NULL)
  22                         break;
  23
  24                 printf("Entry: dev %ld, ino %Ld, name \"%s\"\n", dirent->d_dev,
  25                         dirent->d_ino, dirent->d_name);
  26                 //printf("  left: %u, next: %d\n", dir->entries_left, dir->next_entry);
  27         }
  28
  29         rewinddir(dir);
  30         printf("second pass:\n");
  31         while (true) {
  32                 dirent = readdir(dir);
  33                 if (dirent == NULL)
  34                         break;
  35
  36                 printf("Entry: dev %ld, ino %Ld, name \"%s\"\n", dirent->d_dev,
  37                         dirent->d_ino, dirent->d_name);
  38                 //printf("  left: %u, next: %d\n", dir->entries_left, dir->next_entry);
  39         }
  40
  41
  42         closedir(dir);
  43
  44         dirent = NULL;
  45         buf = (struct dirent*)malloc(sizeof(struct dirent) + NAME_MAX);
  46
  47         dir = opendir(".");
  48
  49         printf("first pass:\n");
  50         while (true) {
  51                 if (readdir_r(dir, buf, &dirent) != 0 || dirent == NULL)
  52                         break;
  53
  54                 printf("Entry: dev %ld, ino %Ld, name \"%s\"\n", dirent->d_dev,
  55                         dirent->d_ino, dirent->d_name);
  56                 //printf("  left: %u, next: %d\n", dir->entries_left, dir->next_entry);
  57         }
  58
  59         rewinddir(dir);
  60         printf("second pass:\n");
  61         while (true) {
  62                 if (readdir_r(dir, buf, &dirent) != 0 || dirent == NULL)
  63                         break;
  64
  65                 printf("Entry: dev %ld, ino %Ld, name \"%s\"\n", dirent->d_dev,
  66                         dirent->d_ino, dirent->d_name);
  67                 //printf("  left: %u, next: %d\n", dir->entries_left, dir->next_entry);
  68         }
  69
  70         closedir(dir);
  71
  72         return 0;
  73 }