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2aa62f2b | 1 | /* $NetBSD: wcio.h,v 1.3 2003/01/18 11:30:00 thorpej Exp $ */\r |
2 | \r | |
3 | /*-\r | |
4 | * Copyright (c)2001 Citrus Project,\r | |
5 | * All rights reserved.\r | |
6 | *\r | |
7 | * Redistribution and use in source and binary forms, with or without\r | |
8 | * modification, are permitted provided that the following conditions\r | |
9 | * are met:\r | |
10 | * 1. Redistributions of source code must retain the above copyright\r | |
11 | * notice, this list of conditions and the following disclaimer.\r | |
12 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
13 | * notice, this list of conditions and the following disclaimer in the\r | |
14 | * documentation and/or other materials provided with the distribution.\r | |
15 | *\r | |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND\r | |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE\r | |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
26 | * SUCH DAMAGE.\r | |
27 | *\r | |
28 | * $Citrus$\r | |
29 | */\r | |
30 | \r | |
31 | #ifndef _WCIO_H_\r | |
32 | #define _WCIO_H_\r | |
33 | \r | |
34 | #include <wchar.h> /* for mbstate_t and wchar_t */\r | |
35 | \r | |
36 | /* minimal requirement of SUSv2 */\r | |
37 | #define WCIO_UNGETWC_BUFSIZE 1\r | |
38 | \r | |
39 | #define WCIO_GET(fp) (&(_EXT(fp)->_wcio))\r | |
40 | \r | |
41 | struct wchar_io_data {\r | |
42 | mbstate_t wcio_mbstate_in;\r | |
43 | mbstate_t wcio_mbstate_out;\r | |
44 | \r | |
45 | wchar_t wcio_ungetwc_buf[WCIO_UNGETWC_BUFSIZE];\r | |
46 | size_t wcio_ungetwc_inbuf;\r | |
47 | \r | |
48 | int wcio_mode; /* orientation */\r | |
49 | };\r | |
50 | \r | |
51 | #define _SET_ORIENTATION(fp, mode) \\r | |
52 | do {\\r | |
53 | struct wchar_io_data *_wcio = WCIO_GET(fp);\\r | |
54 | if (_wcio && _wcio->wcio_mode == 0)\\r | |
55 | _wcio->wcio_mode = (mode);\\r | |
56 | } while (/*CONSTCOND*/0)\r | |
57 | \r | |
58 | /*\r | |
59 | * WCIO_FREE should be called by fclose\r | |
60 | */\r | |
61 | #define WCIO_FREE(fp) \\r | |
62 | do {\\r | |
63 | _EXT(fp)->_wcio.wcio_mode = 0;\\r | |
64 | WCIO_FREEUB(fp);\\r | |
65 | } while (/*CONSTCOND*/0)\r | |
66 | \r | |
67 | #define WCIO_FREEUB(fp) \\r | |
68 | do {\\r | |
69 | _EXT(fp)->_wcio.wcio_ungetwc_inbuf = 0;\\r | |
70 | } while (/*CONSTCOND*/0)\r | |
71 | \r | |
72 | #endif /*_WCIO_H_*/\r |