/* $Id$
 *
 * COPYRIGHT:   See COPYING in the top level directory
 * PROJECT:     ReactOS system libraries
 * FILE:        lib/crtdll/sys/fstat.c
 * PURPOSE:     Gather file information
 * PROGRAMER:   Boudewijn Dekker
 * UPDATE HISTORY:
 *              28/12/98: Created
 */
#include <windows.h>
#include <msvcrt/sys/types.h>
#include <msvcrt/sys/stat.h>
#include <msvcrt/fcntl.h>
#include <msvcrt/string.h>
#include <msvcrt/errno.h>
#include <msvcrt/internal/file.h>


/*
 * @implemented
 */
int _fstat(int fd, struct stat* statbuf)
{
    BY_HANDLE_FILE_INFORMATION FileInformation;

    if (!statbuf) {
        __set_errno(EINVAL);
        return -1;
    }

    if (!GetFileInformationByHandle(_get_osfhandle(fd),&FileInformation)) {
        __set_errno (EBADF);
        return -1;
    }
    statbuf->st_ctime = FileTimeToUnixTime(&FileInformation.ftCreationTime,NULL);
    statbuf->st_atime = FileTimeToUnixTime(&FileInformation.ftLastAccessTime,NULL);
    statbuf->st_mtime = FileTimeToUnixTime(&FileInformation.ftLastWriteTime,NULL);
    if (statbuf->st_atime ==0)
        statbuf->st_atime = statbuf->st_mtime;
    if (statbuf->st_ctime ==0)
        statbuf->st_ctime = statbuf->st_mtime;

    statbuf->st_dev = FileInformation.dwVolumeSerialNumber;
    statbuf->st_size = FileInformation.nFileSizeLow;
    statbuf->st_nlink = FileInformation.nNumberOfLinks;
    statbuf->st_mode = S_IREAD;
    if (FileInformation.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
        statbuf->st_mode |= S_IFDIR | S_IEXEC;
    else
        statbuf->st_mode |= S_IFREG;
    if (!(FileInformation.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
        statbuf->st_mode |= S_IWRITE;
    return 0;
}