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readdir.c revision 1.2.64.1 
      1 /*	$NetBSD: readdir.c,v 1.2.64.1 2009/08/19 18:46:24 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999,2000 Jonathan Lemon <jlemon (at) 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 }
     62