reactos/lib/sdk/crt/sys_stat/fstati64.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:   See COPYING in the top level directory
   4  * PROJECT:     ReactOS system libraries
   5  * FILE:        lib/msvcrt/sys/fstat.c
   6  * PURPOSE:     Gather file information
   7  * PROGRAMER:   Ariadne
   8  * UPDATE HISTORY:
   9  *              28/12/98: Created
  10  */
  11
  12 #include <precomp.h>
  13 #include <sys/stat.h>
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17 /*
  18  * @implemented
  19  */
  20 int _fstati64(int fd, struct _stati64* statbuf)
  21 {
  22   BY_HANDLE_FILE_INFORMATION FileInformation;
  23   DWORD dwFileType;
  24   void *handle;
  25
  26   if (!statbuf)
  27   {
  28     __set_errno(EINVAL);
  29     return -1;
  30   }
  31
  32   if ((void*)-1 == (handle = (void*)_get_osfhandle(fd)))
  33   {
  34     __set_errno(EBADF);
  35     return -1;
  36   }
  37
  38   fflush(NULL);
  39
  40   memset(statbuf, 0, sizeof(struct _stati64));
  41
  42   dwFileType = GetFileType(handle);
  43
  44   if (dwFileType == FILE_TYPE_DISK)
  45   {
  46     if (!GetFileInformationByHandle(handle,&FileInformation))
  47     {
  48        __set_errno(EBADF);
  49        return -1;
  50     }
  51     statbuf->st_ctime = FileTimeToUnixTime(&FileInformation.ftCreationTime,NULL);
  52     statbuf->st_atime = FileTimeToUnixTime(&FileInformation.ftLastAccessTime,NULL);
  53     statbuf->st_mtime = FileTimeToUnixTime(&FileInformation.ftLastWriteTime,NULL);
  54
  55     statbuf->st_dev = fd;
  56     statbuf->st_size = (((__int64)FileInformation.nFileSizeHigh) << 32) +
  57              FileInformation.nFileSizeLow;
  58     statbuf->st_mode = S_IREAD;
  59     if (FileInformation.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
  60       statbuf->st_mode |= S_IFDIR;
  61     else
  62       statbuf->st_mode |= S_IFREG;
  63     if (!(FileInformation.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) statbuf->st_mode |= S_IWRITE;
  64   }
  65   else if (dwFileType == FILE_TYPE_CHAR)
  66   {
  67     statbuf->st_dev = fd;
  68     statbuf->st_mode = S_IFCHR;
  69   }
  70   else if (dwFileType == FILE_TYPE_PIPE)
  71   {
  72     statbuf->st_dev = fd;
  73     statbuf->st_mode = S_IFIFO;
  74   }
  75   else
  76   {
  77     // dwFileType is FILE_TYPE_UNKNOWN or has a bad value
  78     __set_errno(EBADF);
  79     return -1;
  80   }
  81   return 0;
  82 }
  83
  84 int _fstat64(int fd, struct __stat64* buf)
  85 {
  86     DPRINT1("stub\n");
  87     return -1;
  88 }