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      1 /*	$NetBSD: isns_fileio.c,v 1.1.1.1 2011/01/16 01:22:50 agc Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2004,2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Wasabi Systems, Inc.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __RCSID("$NetBSD: isns_fileio.c,v 1.1.1.1 2011/01/16 01:22:50 agc Exp $");
     34 
     35 #include "isns.h"
     36 #include "isns_config.h"
     37 
     38 /*
     39  * isns_file_writev()
     40  */
     41 ssize_t
     42 isns_file_writev(int fd, const struct iovec *iov, int iovcnt)
     43 {
     44 	ssize_t rval;
     45 #if HAVE_WEPE
     46 	int error;
     47 
     48 	error = wepe_sys_writev(fd, iov, iovcnt, &rval);
     49 	if (error)
     50 		rval = -1;
     51 #else
     52 	rval = writev(fd, iov, iovcnt);
     53 #endif
     54 
     55 	return rval;
     56 }
     57 
     58 /*
     59  * isns_file_readv()
     60  */
     61 ssize_t
     62 isns_file_readv(int fd, const struct iovec *iov, int iovcnt)
     63 {
     64 	ssize_t rval;
     65 #if HAVE_WEPE
     66 	int error;
     67 
     68 	error = wepe_sys_readv(fd, iov, iovcnt, &rval);
     69 	if (error)
     70 		rval = -1;
     71 #else
     72 	rval = readv(fd, iov, iovcnt);
     73 #endif
     74 
     75 	return rval;
     76 }
     77