rosapps/mc/pc/dirent_os2.c

   1 #ifdef HAVE_CONFIG_H
   2 #include <config.h>
   3 #endif
   4
   5 #define INCL_DOSFILEMGR
   6 #define INCL_DOSERRORS
   7 #include <os2.h>
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <errno.h>
  13 #include "dirent.h"
  14
  15 DIR *opendir (const char * a_dir)
  16 {
  17         APIRET          rc;
  18         FILEFINDBUF3    FindBuffer = {0};
  19         ULONG           FileCount  = 1;
  20         DIR             *dd_dir = (DIR*) malloc (sizeof(DIR));
  21         char            *c_dir = (char*) malloc (strlen(a_dir) + 5);
  22
  23         strcpy (c_dir, a_dir);
  24         strcat (c_dir, "\\*.*");
  25         dd_dir->d_handle = (unsigned long*) HDIR_CREATE;
  26
  27         rc = DosFindFirst(c_dir,
  28             (PHDIR) &dd_dir->d_handle,
  29             FILE_SYSTEM | FILE_HIDDEN | FILE_DIRECTORY,
  30             (PVOID) &FindBuffer,
  31             sizeof(FILEFINDBUF3),
  32             &FileCount,
  33             FIL_STANDARD);
  34
  35         if (rc) {
  36             switch (rc) {
  37             case ERROR_NO_MORE_FILES:
  38             case ERROR_FILE_NOT_FOUND:
  39             case ERROR_PATH_NOT_FOUND:
  40                 errno = ENOENT;
  41                 break;
  42             case ERROR_BUFFER_OVERFLOW:
  43                 errno = ENOMEM;
  44                 break;
  45             default:
  46                 errno = EINVAL;
  47                 break;
  48             }
  49             free(dd_dir);
  50             return NULL;
  51         }
  52         dd_dir->d_attr = FindBuffer.attrFile;
  53         dd_dir->d_time = dd_dir->d_date = 10;
  54         dd_dir->d_size = FindBuffer.cbFile;
  55         strcpy (dd_dir->d_name, FindBuffer.achName);
  56         dd_dir->d_first = 1;
  57
  58         free (c_dir);
  59         return dd_dir;
  60 }
  61
  62 DIR *readdir( DIR * dd_dir)
  63 {
  64         APIRET          rc;
  65         FILEFINDBUF3    FindBuffer = {0};
  66         ULONG           FileCount  = 1;
  67         DIR             *ret_dir = (DIR*) malloc (sizeof(DIR));
  68
  69         if (dd_dir->d_first) {
  70                 dd_dir->d_first = 0;
  71                 return dd_dir;
  72         }
  73
  74         rc = DosFindNext((HDIR) dd_dir->d_handle,
  75                         (PVOID) &FindBuffer,
  76                         sizeof(FILEFINDBUF3),
  77                         &FileCount);
  78
  79         if (rc) {
  80             switch (rc) {
  81             case ERROR_NO_MORE_FILES:
  82             case ERROR_FILE_NOT_FOUND:
  83             case ERROR_PATH_NOT_FOUND:
  84                 errno = ENOENT;
  85                 break;
  86             case ERROR_BUFFER_OVERFLOW:
  87                 errno = ENOMEM;
  88                 break;
  89             default:
  90                 errno = EINVAL;
  91                 break;
  92             }
  93             return NULL;
  94         }
  95
  96         ret_dir->d_attr = FindBuffer.attrFile;
  97         ret_dir->d_time = ret_dir->d_date = 10;
  98         ret_dir->d_size = FindBuffer.cbFile;
  99         strcpy (ret_dir->d_name, FindBuffer.achName);
 100         return ret_dir;
 101 }
 102
 103 int closedir (DIR *dd_dir)
 104 {
 105    if (dd_dir->d_handle != (unsigned long*) HDIR_CREATE) {
 106         DosFindClose((HDIR) dd_dir->d_handle);
 107    }
 108    free (dd_dir);
 109    return 1;
 110 }