fstat.c

来自「Newlib 嵌入式 C库 标准实现代码」· C语言 代码 · 共 46 行

/*#######################################################################
# RDOS operating system
# Copyright (C) 1988-2006, Leif Ekblad
#
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
#
# The author of this program may be contacted at [e-mail]
#
# fstat.c                                                                
# fstat function implementation
#
##########################################################################*/

#include "config.h"
#include <_ansi.h>
#include <_syslist.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

int fstat(int fd, struct stat *st)
{
  if (fd < 3)
  {
      st->st_mode = S_IFCHR;
      st->st_blksize = 0;
      return 0;
  }
  else
  {
      return -1;
  }  
}