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 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* 27 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #ifndef _MSE_H 32 #define _MSE_H 33 34 #include "lint.h" 35 #include "file64.h" 36 #include <stdio.h> 37 #include <wchar.h> 38 #include <string.h> 39 #include "stdiom.h" 40 41 typedef enum { 42 _NO_MODE, /* not bound */ 43 _BYTE_MODE, /* Byte orientation */ 44 _WC_MODE /* Wide orientation */ 45 } _IOP_orientation_t; 46 47 /* 48 * DESCRIPTION: 49 * This function gets the pointer to the mbstate_t structure associated 50 * with the specified iop. 51 * 52 * RETURNS: 53 * If the associated mbstate_t found, the pointer to the mbstate_t is 54 * returned. Otherwise, (mbstate_t *)NULL is returned. 55 */ 56 #ifdef _LP64 57 #define _getmbstate(iop) (&(iop)->_state) 58 #else 59 extern mbstate_t *_getmbstate(FILE *); 60 #endif 61 62 /* 63 * DESCRIPTION: 64 * This function/macro gets the orientation bound to the specified iop. 65 * 66 * RETURNS: 67 * _WC_MODE if iop has been bound to Wide orientation 68 * _BYTE_MODE if iop has been bound to Byte orientation 69 * _NO_MODE if iop has been bound to neither Wide nor Byte 70 */ 71 extern _IOP_orientation_t _getorientation(FILE *); 72 73 /* 74 * DESCRIPTION: 75 * This function/macro sets the orientation to the specified iop. 76 * 77 * INPUT: 78 * flag may take one of the following: 79 * _WC_MODE Wide orientation 80 * _BYTE_MODE Byte orientation 81 * _NO_MODE Unoriented 82 */ 83 extern void _setorientation(FILE *, _IOP_orientation_t); 84 85 /* 86 * From page 32 of XSH5 87 * Once a wide-character I/O function has been applied 88 * to a stream without orientation, the stream becomes 89 * wide-oriented. Similarly, once a byte I/O function 90 * has been applied to a stream without orientation, 91 * the stream becomes byte-oriented. Only a call to 92 * the freopen() function or the fwide() function can 93 * otherwise alter the orientation of a stream. 94 */ 95 96 #define _SET_ORIENTATION_BYTE(iop) \ 97 { \ 98 if (GET_NO_MODE(iop)) \ 99 _setorientation(iop, _BYTE_MODE); \ 100 } 101 102 #endif /* _MSE_H */ 103