pc/dirent_nt.c

   1
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5 #include <windows.h>
   6 #include <errno.h>
   7 #include "dirent.h"
   8
   9 DIR *opendir (const char * a_dir)
  10 {
  11         int err;
  12         WIN32_FIND_DATA wfd;
  13         DIR* dd_dir = (DIR*) malloc (sizeof(DIR));
  14
  15         char *c_dir = malloc (strlen(a_dir) + 4);
  16         strcpy (c_dir, a_dir);
  17         strcat (c_dir, "\\*");
  18
  19         dd_dir->d_handle = FindFirstFile (c_dir, &wfd);
  20         if (dd_dir->d_handle == INVALID_HANDLE_VALUE)   {
  21                 err = GetLastError();
  22                 switch (err) {
  23                         case ERROR_NO_MORE_FILES:
  24                         case ERROR_FILE_NOT_FOUND:
  25                         case ERROR_PATH_NOT_FOUND:
  26                                 errno = ENOENT;
  27                                 break;
  28                         case ERROR_NOT_ENOUGH_MEMORY:
  29                                 errno = ENOMEM;
  30                                 break;
  31                         default:
  32                                 errno = EINVAL;
  33                                 break;
  34                 }
  35                 free(dd_dir);
  36                 return NULL;
  37         }
  38         dd_dir->d_attr = (wfd.dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
  39                                 ? 0 : wfd.dwFileAttributes;
  40
  41         dd_dir->d_time = dd_dir->d_date = 10;
  42         dd_dir->d_size = wfd.nFileSizeLow;
  43         strcpy (dd_dir->d_name, wfd.cFileName);
  44         dd_dir->d_first = 1;
  45
  46         free (c_dir);
  47         return dd_dir;
  48 }
  49
  50 DIR *readdir( DIR * dd_dir)
  51 {
  52         int err;
  53         WIN32_FIND_DATA wfd;
  54
  55         if (dd_dir->d_first) {
  56                 dd_dir->d_first = 0;
  57                 return dd_dir;
  58         }
  59
  60         if(!FindNextFile (dd_dir->d_handle, &wfd)) {
  61                 err = GetLastError();
  62                 switch (err) {
  63                         case ERROR_NO_MORE_FILES:
  64                         case ERROR_FILE_NOT_FOUND:
  65                         case ERROR_PATH_NOT_FOUND:
  66                                 errno = ENOENT;
  67                                 break;
  68                         case ERROR_NOT_ENOUGH_MEMORY:
  69                                 errno = ENOMEM;
  70                                 break;
  71                         default:
  72                                 errno = EINVAL;
  73                                 break;
  74                 }
  75                 return NULL;
  76         }
  77         dd_dir->d_attr = (wfd.dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
  78                                 ? 0 : wfd.dwFileAttributes;
  79
  80         dd_dir->d_time = dd_dir->d_date = 10;
  81         dd_dir->d_size         = wfd.nFileSizeLow;
  82         strcpy (dd_dir->d_name, wfd.cFileName);
  83         return dd_dir;
  84 }
  85
  86 int closedir (DIR *dd_dir)
  87 {
  88         FindClose(dd_dir->d_handle);
  89         free (dd_dir);
  90         return 1;
  91 }
  92