92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/* $NetBSD: vfs_syscalls_12.c,v 1.1 1997/10/10 01:47:02 fvdl Exp $ */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* From: @(#)vfs_syscalls.c 8.28 (Berkeley) 12/10/94
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/filedesc.h>
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#include <sys/kernel.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/vnode.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/uio.h>
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#include <sys/malloc.h>
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#include <sys/dirent.h>
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#include <sys/syscallargs.h>
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/*
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* Read a block of directory entries in a file system independent format.
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*/
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int
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compat_12_sys_getdirentries(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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register struct compat_12_sys_getdirentries_args /* {
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syscallarg(int) fd;
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syscallarg(char *) buf;
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syscallarg(u_int) count;
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syscallarg(long *) basep;
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} */ *uap = v;
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struct file *fp;
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int error, done;
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long loff;
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if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
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return error;
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if ((fp->f_flag & FREAD) == 0)
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return (EBADF);
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loff = fp->f_offset;
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error = vn_readdir(fp, SCARG(uap, buf), UIO_USERSPACE,
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SCARG(uap, count), &done, p, 0, 0);
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error = copyout(&loff, SCARG(uap, basep), sizeof(long));
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*retval = done;
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return error;
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}
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