1 | /* Access functions for JISX0201 conversion. |
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2 | Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. |
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3 | This file is part of the GNU C Library. |
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4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
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5 | |
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6 | The GNU C Library is free software; you can redistribute it and/or |
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7 | modify it under the terms of the GNU Lesser General Public |
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8 | License as published by the Free Software Foundation; either |
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9 | version 2.1 of the License, or (at your option) any later version. |
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10 | |
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11 | The GNU C Library is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | Lesser General Public License for more details. |
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15 | |
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16 | You should have received a copy of the GNU Lesser General Public |
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17 | License along with the GNU C Library; if not, write to the Free |
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18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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19 | 02111-1307 USA. */ |
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20 | |
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21 | #ifndef _JIS0201_H |
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22 | #define _JIS0201_H 1 |
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23 | |
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24 | /* Conversion table. */ |
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25 | extern const uint32_t __jisx0201_to_ucs4[]; |
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26 | |
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27 | |
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28 | static inline uint32_t |
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29 | jisx0201_to_ucs4 (char ch) |
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30 | { |
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31 | uint32_t val = __jisx0201_to_ucs4[(unsigned char) ch]; |
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32 | |
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33 | if (val == 0 && ch != '\0') |
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34 | val = __UNKNOWN_10646_CHAR; |
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35 | |
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36 | return val; |
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37 | } |
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38 | |
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39 | |
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40 | static inline size_t |
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41 | ucs4_to_jisx0201 (uint32_t wch, char *s) |
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42 | { |
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43 | char ch; |
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44 | |
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45 | if (wch == 0xa5) |
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46 | ch = '\x5c'; |
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47 | else if (wch == 0x203e) |
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48 | ch = '\x7e'; |
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49 | else if (wch < 0x7e && wch != 0x5c) |
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50 | ch = wch; |
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51 | else if (wch >= 0xff61 && wch <= 0xff9f) |
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52 | ch = wch - 0xfec0; |
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53 | else |
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54 | return __UNKNOWN_10646_CHAR; |
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55 | |
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56 | s[0] = ch; |
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57 | return 1; |
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58 | } |
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59 | |
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60 | #endif /* jis0201.h */ |
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