1 /* Access functions for JISX0201 conversion. 2 Copyright (C) 1997-2014 Free Software Foundation, Inc. 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 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. 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 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <http://www.gnu.org/licenses/>. */ 19 20 #ifndef _JIS0201_H 21 #define _JIS0201_H 1 22 23 #include <stdint.h> 24 25 /* Conversion table. */ 26 extern const uint32_t __jisx0201_to_ucs4[]; 27 28 uint32_t(always_inline)29static inline uint32_t 30 __attribute ((always_inline)) 31 jisx0201_to_ucs4 (char ch) 32 { 33 uint32_t val = __jisx0201_to_ucs4[(unsigned char) ch]; 34 35 if (val == 0 && ch != '\0') 36 val = __UNKNOWN_10646_CHAR; 37 38 return val; 39 } 40 41 size_t(always_inline)42static inline size_t 43 __attribute ((always_inline)) 44 ucs4_to_jisx0201 (uint32_t wch, unsigned char *s) 45 { 46 unsigned char ch; 47 48 if (wch == 0xa5) 49 ch = '\x5c'; 50 else if (wch == 0x203e) 51 ch = '\x7e'; 52 else if (wch < 0x7e && wch != 0x5c) 53 ch = wch; 54 else if (wch >= 0xff61 && wch <= 0xff9f) 55 ch = wch - 0xfec0; 56 else 57 return __UNKNOWN_10646_CHAR; 58 59 s[0] = ch; 60 return 1; 61 } 62 63 #endif /* jis0201.h */ 64