155682Smarkm/* 2233294Sstas * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska H��gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 5233294Sstas * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 9233294Sstas * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 12233294Sstas * 1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1455682Smarkm * notice, this list of conditions and the following disclaimer in the 1555682Smarkm * documentation and/or other materials provided with the distribution. 16233294Sstas * 1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors 1855682Smarkm * may be used to endorse or promote products derived from this software 1955682Smarkm * without specific prior written permission. 20233294Sstas * 2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455682Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155682Smarkm * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include <config.h> 3555682Smarkm 3655682Smarkm#include "roken.h" 3755682Smarkm 38233294SstasROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL 3955682Smarkmwritev(int d, const struct iovec *iov, int iovcnt) 4055682Smarkm{ 4155682Smarkm ssize_t ret; 4255682Smarkm size_t tot = 0; 4355682Smarkm int i; 4455682Smarkm char *buf, *p; 4555682Smarkm 4655682Smarkm for(i = 0; i < iovcnt; ++i) 4755682Smarkm tot += iov[i].iov_len; 4855682Smarkm buf = malloc(tot); 4955682Smarkm if (tot != 0 && buf == NULL) { 5055682Smarkm errno = ENOMEM; 5155682Smarkm return -1; 5255682Smarkm } 5355682Smarkm p = buf; 5455682Smarkm for (i = 0; i < iovcnt; ++i) { 5555682Smarkm memcpy (p, iov[i].iov_base, iov[i].iov_len); 5655682Smarkm p += iov[i].iov_len; 5755682Smarkm } 5855682Smarkm ret = write (d, buf, tot); 5955682Smarkm free (buf); 6055682Smarkm return ret; 6155682Smarkm} 62