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readdir.c revision 1.1.4.2 
      1  1.1.4.2  elad /*	$NetBSD: readdir.c,v 1.1.4.2 2006/04/19 02:33:05 elad Exp $	*/
      2  1.1.4.2  elad 
      3  1.1.4.2  elad /*-
      4  1.1.4.2  elad  * Copyright (c) 1999,2000 Jonathan Lemon <jlemon (at) freebsd.org>
      5  1.1.4.2  elad  * All rights reserved.
      6  1.1.4.2  elad  *
      7  1.1.4.2  elad  * Redistribution and use in source and binary forms, with or without
      8  1.1.4.2  elad  * modification, are permitted provided that the following conditions
      9  1.1.4.2  elad  * are met:
     10  1.1.4.2  elad  * 1. Redistributions of source code must retain the above copyright
     11  1.1.4.2  elad  *    notice, this list of conditions and the following disclaimer.
     12  1.1.4.2  elad  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.4.2  elad  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.4.2  elad  *    documentation and/or other materials provided with the distribution.
     15  1.1.4.2  elad  *
     16  1.1.4.2  elad  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.1.4.2  elad  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1.4.2  elad  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1.4.2  elad  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.1.4.2  elad  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1.4.2  elad  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1.4.2  elad  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1.4.2  elad  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1.4.2  elad  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1.4.2  elad  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1.4.2  elad  * SUCH DAMAGE.
     27  1.1.4.2  elad  */
     28  1.1.4.2  elad 
     29  1.1.4.2  elad #include <sys/cdefs.h>
     30  1.1.4.2  elad 
     31  1.1.4.2  elad 
     32  1.1.4.2  elad #include <lib/libsa/stand.h>
     33  1.1.4.2  elad 
     34  1.1.4.2  elad #include <sys/param.h>
     35  1.1.4.2  elad #include <sys/dirent.h>
     36  1.1.4.2  elad 
     37  1.1.4.2  elad #include <bootstrap.h>
     38  1.1.4.2  elad 
     39  1.1.4.2  elad struct dirent *
     40  1.1.4.2  elad readdirfd(int fd)
     41  1.1.4.2  elad {
     42  1.1.4.2  elad 	static struct dirent dir;		/* XXX not thread safe */
     43  1.1.4.2  elad 	struct open_file *f = &files[fd];
     44  1.1.4.2  elad 
     45  1.1.4.2  elad 	if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & O_RDONLY)) {
     46  1.1.4.2  elad 		errno = EBADF;
     47  1.1.4.2  elad 		return (NULL);
     48  1.1.4.2  elad 	}
     49  1.1.4.2  elad 	if (f->f_flags & F_RAW) {
     50  1.1.4.2  elad 		errno = EIO;
     51  1.1.4.2  elad 		return (NULL);
     52  1.1.4.2  elad 	}
     53  1.1.4.2  elad 
     54  1.1.4.2  elad 	/* XXXwill be f->f_ops->fo_readdir)(f, &dir); when/if we fix stand.h */
     55  1.1.4.2  elad 	errno = FS_READDIR(f, &dir);
     56  1.1.4.2  elad 
     57  1.1.4.2  elad 	if (errno)
     58  1.1.4.2  elad 	  printf("XXXdebugXXX: FS_READDIR returns NULL\n");
     59  1.1.4.2  elad 		return (NULL);
     60  1.1.4.2  elad 	return (&dir);
     61  1.1.4.2  elad }
     62