eof.c

来自「一个类似windows」· C语言 代码 · 共 28 行

/*
 * COPYRIGHT:   See COPYING in the top level directory
 * PROJECT:     ReactOS system libraries
 * FILE:        lib/crt/??????
 * PURPOSE:     Unknown
 * PROGRAMER:   Unknown
 * UPDATE HISTORY:
 *              25/11/05: Created
 */

#include <precomp.h>

/*
 * @implemented
 */
int _eof(int _fd)
{
  __int64 cur_pos = _lseeki64(_fd, 0, SEEK_CUR);
  __int64 end_pos = _lseeki64(_fd, 0, SEEK_END);
  if ( cur_pos == -1 || end_pos == -1)
    return -1;

  if (cur_pos == end_pos)
    return 1;

  return 0;
}