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 57257d1b4Sraf * Common Development and Distribution License (the "License"). 67257d1b4Sraf * 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 */ 217257d1b4Sraf 227c478bd9Sstevel@tonic-gate /* 237257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 28*cd62a92dSRobert Mustacchi /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * The intent here is to provide a means to make the order of 327c478bd9Sstevel@tonic-gate * bytes in an io-stream correspond to the order of the bytes 337c478bd9Sstevel@tonic-gate * in the memory while doing the io a `word' at a time. 347c478bd9Sstevel@tonic-gate */ 357c478bd9Sstevel@tonic-gate 367257d1b4Sraf #pragma weak _getw = getw 377c478bd9Sstevel@tonic-gate 387257d1b4Sraf #include "lint.h" 397c478bd9Sstevel@tonic-gate #include "file64.h" 407c478bd9Sstevel@tonic-gate #include "mtlib.h" 417c478bd9Sstevel@tonic-gate #include <stdio.h> 427c478bd9Sstevel@tonic-gate #include <thread.h> 437c478bd9Sstevel@tonic-gate #include <synch.h> 447c478bd9Sstevel@tonic-gate #include "stdiom.h" 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate /* Read sizeof(int) characters from stream and return these in an int */ 477c478bd9Sstevel@tonic-gate int getw(FILE * stream)487c478bd9Sstevel@tonic-gategetw(FILE *stream) 497c478bd9Sstevel@tonic-gate { 507c478bd9Sstevel@tonic-gate int w; 517c478bd9Sstevel@tonic-gate char *s = (char *)&w; 527c478bd9Sstevel@tonic-gate int i = sizeof (int); 537c478bd9Sstevel@tonic-gate int ret; 547c478bd9Sstevel@tonic-gate rmutex_t *lk; 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate FLOCKFILE(lk, stream); 577c478bd9Sstevel@tonic-gate while (--i >= 0 && !(stream->_flag & (_IOERR | _IOEOF))) 58d7269947SRobert Mustacchi *s++ = getc_unlocked(stream); 597c478bd9Sstevel@tonic-gate ret = ((stream->_flag & (_IOERR | _IOEOF)) ? EOF : w); 607c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 617c478bd9Sstevel@tonic-gate return (ret); 627c478bd9Sstevel@tonic-gate } 63