NetBSD/dist/smbfs/lib/smb/file.c

87 lines
2.8 KiB
C

/*
* Copyright (c) 2000, Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Id: file.c,v 1.2 2001/04/16 04:33:01 bp Exp
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: file.c,v 1.4 2009/09/06 18:38:17 pooka Exp $");
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/mount.h>
#include <fcntl.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <pwd.h>
#include <grp.h>
#include <unistd.h>
#include <netsmb/smb_lib.h>
#include <netsmb/smb_conn.h>
#include <cflib.h>
#include "smb_kernelops.h"
int
smb_read(struct smb_ctx *ctx, smbfh fh, off_t offset, size_t count, char *dst)
{
struct smbioc_rw rwrq;
rwrq.ioc_fh = fh;
rwrq.ioc_base = dst;
rwrq.ioc_cnt = count;
rwrq.ioc_offset = offset;
if (smb_kops.ko_ioctl(ctx->ct_fd, SMBIOC_READ, &rwrq) == -1)
return -1;
return rwrq.ioc_cnt;
}
int
smb_write(struct smb_ctx *ctx, smbfh fh, off_t offset, size_t count,
const char *src)
{
struct smbioc_rw rwrq;
rwrq.ioc_fh = fh;
rwrq.ioc_base = __UNCONST(src);
rwrq.ioc_cnt = count;
rwrq.ioc_offset = offset;
if (smb_kops.ko_ioctl(ctx->ct_fd, SMBIOC_WRITE, &rwrq) == -1)
return -1;
return rwrq.ioc_cnt;
}