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04be94a8 | 1 | /* Access functions for JISX0201 conversion. |
04277e02 | 2 | Copyright (C) 1997-2019 Free Software Foundation, Inc. |
04be94a8 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
04be94a8 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
04be94a8 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
04be94a8 UD |
19 | |
20 | #ifndef _JIS0201_H | |
21 | #define _JIS0201_H 1 | |
22 | ||
e054f494 RA |
23 | #include <stdint.h> |
24 | ||
04be94a8 | 25 | /* Conversion table. */ |
5c2a0669 | 26 | extern const uint32_t __jisx0201_to_ucs4[]; |
04be94a8 UD |
27 | |
28 | ||
8619129f | 29 | static inline uint32_t |
dd9423a6 | 30 | __attribute ((always_inline)) |
2b474353 | 31 | jisx0201_to_ucs4 (char ch) |
04be94a8 | 32 | { |
5c2a0669 | 33 | uint32_t val = __jisx0201_to_ucs4[(unsigned char) ch]; |
04be94a8 | 34 | |
2b474353 | 35 | if (val == 0 && ch != '\0') |
d64b6ad0 | 36 | val = __UNKNOWN_10646_CHAR; |
04be94a8 UD |
37 | |
38 | return val; | |
39 | } | |
40 | ||
41 | ||
42 | static inline size_t | |
dd9423a6 | 43 | __attribute ((always_inline)) |
085a4412 | 44 | ucs4_to_jisx0201 (uint32_t wch, unsigned char *s) |
04be94a8 | 45 | { |
085a4412 | 46 | unsigned char ch; |
04be94a8 UD |
47 | |
48 | if (wch == 0xa5) | |
49 | ch = '\x5c'; | |
50 | else if (wch == 0x203e) | |
51 | ch = '\x7e'; | |
07c7a055 | 52 | else if (wch < 0x7e && wch != 0x5c) |
04be94a8 UD |
53 | ch = wch; |
54 | else if (wch >= 0xff61 && wch <= 0xff9f) | |
55 | ch = wch - 0xfec0; | |
56 | else | |
d64b6ad0 | 57 | return __UNKNOWN_10646_CHAR; |
04be94a8 | 58 | |
2b474353 | 59 | s[0] = ch; |
04be94a8 UD |
60 | return 1; |
61 | } | |
62 | ||
63 | #endif /* jis0201.h */ |