reactos/lib/crtdll/old cruft/sys_stat/fstat.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:   See COPYING in the top level directory
   4  * PROJECT:     ReactOS system libraries
   5  * FILE:        lib/crtdll/sys/fstat.c
   6  * PURPOSE:     Gather file information
   7  * PROGRAMER:   Boudewijn Dekker
   8  * UPDATE HISTORY:
   9  *              28/12/98: Created
  10  */
  11
  12 #include <precomp.h>
  13 #include <msvcrt/sys/types.h>
  14 #include <msvcrt/sys/stat.h>
  15 #include <msvcrt/fcntl.h>
  16 #include <msvcrt/string.h>
  17 #include <msvcrt/errno.h>
  18 #include <msvcrt/internal/file.h>
  19
  20
  21 /*
  22  * @implemented
  23  */
  24 int _fstat(int fd, struct stat* statbuf)
  25 {
  26     BY_HANDLE_FILE_INFORMATION FileInformation;
  27
  28     if (!statbuf) {
  29         __set_errno(EINVAL);
  30         return -1;
  31     }
  32
  33     if (!GetFileInformationByHandle(_get_osfhandle(fd),&FileInformation)) {
  34         __set_errno (EBADF);
  35         return -1;
  36     }
  37     statbuf->st_ctime = FileTimeToUnixTime(&FileInformation.ftCreationTime,NULL);
  38     statbuf->st_atime = FileTimeToUnixTime(&FileInformation.ftLastAccessTime,NULL);
  39     statbuf->st_mtime = FileTimeToUnixTime(&FileInformation.ftLastWriteTime,NULL);
  40     if (statbuf->st_atime ==0)
  41         statbuf->st_atime = statbuf->st_mtime;
  42     if (statbuf->st_ctime ==0)
  43         statbuf->st_ctime = statbuf->st_mtime;
  44
  45     statbuf->st_dev = FileInformation.dwVolumeSerialNumber;
  46     statbuf->st_size = FileInformation.nFileSizeLow;
  47     statbuf->st_nlink = FileInformation.nNumberOfLinks;
  48     statbuf->st_mode = S_IREAD;
  49     if (FileInformation.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
  50         statbuf->st_mode |= S_IFDIR | S_IEXEC;
  51     else
  52         statbuf->st_mode |= S_IFREG;
  53     if (!(FileInformation.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
  54         statbuf->st_mode |= S_IWRITE;
  55     return 0;
  56 }