1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 /* 34 * The intent here is to provide a means to make the order of 35 * bytes in an io-stream correspond to the order of the bytes 36 * in the memory while doing the io a `word' at a time. 37 */ 38 39 #pragma weak getw = _getw 40 41 #include "synonyms.h" 42 #include "file64.h" 43 #include "mtlib.h" 44 #include <stdio.h> 45 #include <thread.h> 46 #include <synch.h> 47 #include "stdiom.h" 48 49 /* Read sizeof(int) characters from stream and return these in an int */ 50 int 51 getw(FILE *stream) 52 { 53 int w; 54 char *s = (char *)&w; 55 int i = sizeof (int); 56 int ret; 57 rmutex_t *lk; 58 59 FLOCKFILE(lk, stream); 60 while (--i >= 0 && !(stream->_flag & (_IOERR | _IOEOF))) 61 *s++ = GETC(stream); 62 ret = ((stream->_flag & (_IOERR | _IOEOF)) ? EOF : w); 63 FUNLOCKFILE(lk); 64 return (ret); 65 } 66