sys/arch/ia64/stand/common/readdir.c

   1 /*      $NetBSD: readdir.c,v 1.2 2006/07/02 17:28:11 cherry Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1999,2000 Jonathan Lemon <jlemon@freebsd.org>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30
  31
  32 #include <lib/libsa/stand.h>
  33 #include <lib/libsa/loadfile.h>
  34
  35 #include <sys/param.h>
  36 #include <sys/dirent.h>
  37
  38 #include <bootstrap.h>
  39
  40 struct dirent *
  41 readdirfd(int fd)
  42 {
  43         static struct dirent dir;               /* XXX not thread safe. eh ??? */
  44         struct open_file *f = &files[fd];
  45
  46         if ((unsigned)fd >= SOPEN_MAX) {
  47                 errno = EBADF;
  48                 return (NULL);
  49         }
  50         if (f->f_flags & F_RAW) {
  51                 errno = EIO;
  52                 return (NULL);
  53         }
  54
  55         /* XXXwill be f->f_ops->fo_readdir)(f, &dir); when/if we fix stand.h */
  56         errno = FS_READDIR(f, &dir);
  57
  58         if (errno)
  59                 return (NULL);
  60         return (&dir);
  61 }