usr/src/lib/libc/port/stdio/mse.c

   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 /*
  28  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
  29  * Use is subject to license terms.
  30  */
  31
  32 #include "lint.h"
  33 #include "mtlib.h"
  34 #include "mbstatet.h"
  35 #include "file64.h"
  36 #include <sys/types.h>
  37 #include <stdio.h>
  38 #include <wchar.h>
  39 #include <thread.h>
  40 #include <synch.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43 #include "libc.h"
  44 #include "stdiom.h"
  45 #include "mse.h"
  46
  47 /*
  48  * DESCRIPTION:
  49  * This function/macro gets the orientation bound to the specified iop.
  50  *
  51  * RETURNS:
  52  * _WC_MODE     if iop has been bound to Wide orientation
  53  * _BYTE_MODE   if iop has been bound to Byte orientation
  54  * _NO_MODE     if iop has been bound to neither Wide nor Byte
  55  */
  56 _IOP_orientation_t
  57 _getorientation(FILE *iop)
  58 {
  59         if (GET_BYTE_MODE(iop))
  60                 return (_BYTE_MODE);
  61         else if (GET_WC_MODE(iop))
  62                 return (_WC_MODE);
  63
  64         return (_NO_MODE);
  65 }
  66
  67 /*
  68  * DESCRIPTION:
  69  * This function/macro sets the orientation to the specified iop.
  70  *
  71  * INPUT:
  72  * flag may take one of the following:
  73  *      _WC_MODE        Wide orientation
  74  *      _BYTE_MODE      Byte orientation
  75  *      _NO_MODE        Unoriented
  76  */
  77 void
  78 _setorientation(FILE *iop, _IOP_orientation_t mode)
  79 {
  80         switch (mode) {
  81         case _NO_MODE:
  82                 CLEAR_BYTE_MODE(iop);
  83                 CLEAR_WC_MODE(iop);
  84                 break;
  85         case _BYTE_MODE:
  86                 CLEAR_WC_MODE(iop);
  87                 SET_BYTE_MODE(iop);
  88                 break;
  89         case _WC_MODE:
  90                 CLEAR_BYTE_MODE(iop);
  91                 SET_WC_MODE(iop);
  92                 break;
  93         }
  94 }