1 /* 2 * MSVCRT string functions 3 * 4 * Copyright 1996,1998 Marcus Meissner 5 * Copyright 1996 Jukka Iivonen 6 * Copyright 1997,2000 Uwe Bonnes 7 * Copyright 2000 Jon Griffiths 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with this library; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 22 */ 23 24 25 #include <precomp.h> 26 #include <mbstring.h> 27 #include <locale.h> 28 29 /* 30 * @implemented 31 */ 32 unsigned int _mbcjistojms(unsigned int c) 33 { 34 /* Conversion takes place only when codepage is 932. 35 In all other cases, c is returned unchanged */ 36 if(get_mbcinfo()->mbcodepage == 932) 37 { 38 if(HIBYTE(c) >= 0x21 && HIBYTE(c) <= 0x7e && 39 LOBYTE(c) >= 0x21 && LOBYTE(c) <= 0x7e) 40 { 41 if(HIBYTE(c) % 2) 42 c += 0x1f; 43 else 44 c += 0x7d; 45 46 if(LOBYTE(c) >= 0x7F) 47 c += 0x1; 48 49 c = (((HIBYTE(c) - 0x21)/2 + 0x81) << 8) | LOBYTE(c); 50 51 if(HIBYTE(c) > 0x9f) 52 c += 0x4000; 53 } 54 else 55 return 0; /* Codepage is 932, but c can't be converted */ 56 } 57 58 return c; 59 } 60 61