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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #pragma weak _putc_unlocked = putc_unlocked 33 34 #include "lint.h" 35 #include "file64.h" 36 #include "mtlib.h" 37 #include <sys/types.h> 38 #include <stdio.h> 39 #include <thread.h> 40 #include <synch.h> 41 #include "stdiom.h" 42 #include "mse.h" 43 44 #undef putc 45 #undef putc_unlocked 46 47 int 48 putc(int ch, FILE *iop) 49 { 50 rmutex_t *lk; 51 int ret; 52 53 FLOCKFILE(lk, iop); 54 55 _SET_ORIENTATION_BYTE(iop); 56 57 if (--iop->_cnt < 0) 58 ret = __flsbuf((unsigned char) ch, iop); 59 else { 60 (*iop->_ptr++) = (unsigned char)ch; 61 ret = (unsigned char)ch; 62 } 63 FUNLOCKFILE(lk); 64 return (ret); 65 } 66 67 68 int 69 putc_unlocked(int ch, FILE *iop) 70 { 71 if (--iop->_cnt < 0) 72 return (__flsbuf((unsigned char) ch, iop)); 73 else 74 return (*iop->_ptr++ = (unsigned char)ch); 75 } 76