1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include "../common/compat.h" 30*0Sstevel@tonic-gate #include <stdio.h> 31*0Sstevel@tonic-gate #include <sys/types.h> 32*0Sstevel@tonic-gate #include <unistd.h> 33*0Sstevel@tonic-gate #include <syscall.h> 34*0Sstevel@tonic-gate #include <sys/uio.h> 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * If reading from the utmp file, map the data to the SunOS 4.1 38*0Sstevel@tonic-gate * format on the fly. 39*0Sstevel@tonic-gate */ 40*0Sstevel@tonic-gate extern void to_utmp(char *, char *, int); 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate int 43*0Sstevel@tonic-gate readv(int fd, struct iovec *iov, int iovcnt) 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate return (bc_readv(fd, iov, iovcnt)); 46*0Sstevel@tonic-gate } 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate int 49*0Sstevel@tonic-gate bc_readv(int fd, struct iovec *iov, int iovcnt) 50*0Sstevel@tonic-gate { 51*0Sstevel@tonic-gate int ret, off; 52*0Sstevel@tonic-gate int i, size, total = 0; 53*0Sstevel@tonic-gate char *nbuf; 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate if (fd_get(fd) != -1) { 56*0Sstevel@tonic-gate for (i = 0; i < iovcnt; i++) { 57*0Sstevel@tonic-gate size = getmodsize(iov[i].iov_len, 58*0Sstevel@tonic-gate sizeof (struct compat_utmp), 59*0Sstevel@tonic-gate sizeof (struct utmpx)); 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate if ((nbuf = (void *)malloc(size)) == NULL) { 62*0Sstevel@tonic-gate fprintf(stderr, "readv: malloc failed\n"); 63*0Sstevel@tonic-gate exit(-1); 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate if ((ret = _read(fd, nbuf, size)) == -1) { 67*0Sstevel@tonic-gate free(nbuf); 68*0Sstevel@tonic-gate return (-1); 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate total += ret; 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate to_utmp(iov[i].iov_base, nbuf, ret); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate ret = getmodsize(ret, sizeof (struct utmpx), 76*0Sstevel@tonic-gate sizeof (struct compat_utmp)); 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate free(nbuf); 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate return (total); 81*0Sstevel@tonic-gate } 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate return (_readv(fd, iov, iovcnt)); 84*0Sstevel@tonic-gate } 85