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 #pragma weak getc_unlocked = _getc_unlocked 34 35 #include "synonyms.h" 36 #include "file64.h" 37 #include "mtlib.h" 38 #include <sys/types.h> 39 #include <stdio.h> 40 #include <thread.h> 41 #include <synch.h> 42 #include "stdiom.h" 43 #include "mse.h" 44 45 #undef getc 46 47 #undef _getc_unlocked 48 49 int 50 getc(FILE *iop) 51 { 52 rmutex_t *lk; 53 int c; 54 55 FLOCKFILE(lk, iop); 56 57 _SET_ORIENTATION_BYTE(iop); 58 59 c = (--iop->_cnt < 0) ? __filbuf(iop) : *iop->_ptr++; 60 FUNLOCKFILE(lk); 61 return (c); 62 } 63 64 65 int 66 _getc_unlocked(FILE *iop) 67 { 68 return ((--iop->_cnt < 0) ? __filbuf(iop) : *iop->_ptr++); 69 } 70