17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*d4188195Sraf * Common Development and Distribution License (the "License"). 6*d4188195Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*d4188195Sraf 227c478bd9Sstevel@tonic-gate /* 23*d4188195Sraf * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24*d4188195Sraf * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include "../common/compat.h" 307c478bd9Sstevel@tonic-gate #include <stdio.h> 317c478bd9Sstevel@tonic-gate #include <sys/types.h> 327c478bd9Sstevel@tonic-gate #include <unistd.h> 337c478bd9Sstevel@tonic-gate #include <sys/uio.h> 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* 367c478bd9Sstevel@tonic-gate * If writing to a utmp-like file, map the utmp structure to 377c478bd9Sstevel@tonic-gate * new format on the fly. 387c478bd9Sstevel@tonic-gate */ 397c478bd9Sstevel@tonic-gate extern int conv2utmpx(char *, char *, int); 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate int 427c478bd9Sstevel@tonic-gate writev(int fd, struct iovec *iov, int iovcnt) 437c478bd9Sstevel@tonic-gate { 447c478bd9Sstevel@tonic-gate return (bc_writev(fd, iov, iovcnt)); 457c478bd9Sstevel@tonic-gate } 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate int 487c478bd9Sstevel@tonic-gate bc_writev(int fd, struct iovec *iov, int iovcnt) 497c478bd9Sstevel@tonic-gate { 507c478bd9Sstevel@tonic-gate int ret, off; 517c478bd9Sstevel@tonic-gate int nsize, total = 0; 527c478bd9Sstevel@tonic-gate char *nbuf; 537c478bd9Sstevel@tonic-gate int i; 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate if (fd_get(fd) != -1) { 567c478bd9Sstevel@tonic-gate for (i = 0; i < iovcnt; i++) { 577c478bd9Sstevel@tonic-gate nsize = getmodsize(iov[i].iov_len, 587c478bd9Sstevel@tonic-gate sizeof (struct compat_utmp), 597c478bd9Sstevel@tonic-gate sizeof (struct utmpx)); 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate if ((nbuf = (void *)malloc(nsize)) == NULL) { 627c478bd9Sstevel@tonic-gate fprintf(stderr, "writev: malloc failed\n"); 637c478bd9Sstevel@tonic-gate exit(-1); 647c478bd9Sstevel@tonic-gate } 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate (void) memset(nbuf, 0, nsize); 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate ret = conv2utmpx(nbuf, iov[i].iov_base, iov[i].iov_len); 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate if ((ret = _write(fd, nbuf, ret)) == -1) { 717c478bd9Sstevel@tonic-gate free(nbuf); 727c478bd9Sstevel@tonic-gate return (-1); 737c478bd9Sstevel@tonic-gate } 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate free(nbuf); 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate ret = getmodsize(ret, sizeof (struct utmpx), 787c478bd9Sstevel@tonic-gate sizeof (struct compat_utmp)); 79*d4188195Sraf total += ret; 807c478bd9Sstevel@tonic-gate } 817c478bd9Sstevel@tonic-gate return (total); 827c478bd9Sstevel@tonic-gate } 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate return (_writev(fd, iov, iovcnt)); 857c478bd9Sstevel@tonic-gate } 86