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/*
Unix SMB/Netbios implementation.
Version 1.9.
Character set handling
Copyright (C) Andrew Tridgell 1992-1997
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define CHARSET_C
#include "includes.h"
extern int DEBUGLEVEL;
char xx_dos_char_map[256];
char xx_upper_char_map[256];
char xx_lower_char_map[256];
char *dos_char_map = xx_dos_char_map;
char *upper_char_map = xx_upper_char_map;
char *lower_char_map = xx_lower_char_map;
static void add_dos_char(int lower, int upper)
{
lower &= 0xff;
upper &= 0xff;
DEBUG(6,("Adding chars 0%o 0%o\n",lower,upper));
if (lower) dos_char_map[lower] = 1;
if (upper) dos_char_map[upper] = 1;
if (lower && upper) {
lower_char_map[upper] = (char)lower;
upper_char_map[lower] = (char)upper;
}
}
/****************************************************************************
initialise the charset arrays
****************************************************************************/
void charset_initialise(void)
{
int i;
#ifdef LC_ALL
/* include <locale.h> in includes.h if available for OS */
/* we take only standard 7-bit ASCII definitions from ctype */
setlocale(LC_ALL,"C");
#endif
for (i= 0;i<=255;i++) {
dos_char_map[i] = 0;
}
for (i=0;i<=127;i++) {
if (isalnum((char)i) || strchr("._^$~!#%&-{}()@'`",(char)i))
add_dos_char(i,0);
}
for (i=0; i<=255; i++) {
char c = (char)i;
upper_char_map[i] = lower_char_map[i] = c;
if (isupper(c)) lower_char_map[i] = tolower(c);
if (islower(c)) upper_char_map[i] = toupper(c);
}
#define CP850
#ifdef CP850
/* lower->upper mapping for IBM Code Page 850 */
/* dec col/row oct hex description */
/* 133 08/05 205 85 a grave */
/* 183 11/07 267 B7 A grave */ add_dos_char(0205,0267);
/* 160 10/00 240 A0 a acute */
/* 181 11/05 265 B5 A acute */ add_dos_char(0240,0265);
/* 131 08/03 203 83 a circumflex */
/* 182 11/06 266 B6 A circumflex */ add_dos_char(0203,0266);
/* 198 12/06 306 C6 a tilde */
/* 199 12/07 307 C7 A tilde */ add_dos_char(0306,0307);
/* 132 08/04 204 84 a diaeresis */
/* 142 08/14 216 8E A diaeresis */ add_dos_char(0204,0216);
/* 134 08/06 206 86 a ring */
/* 143 08/15 217 8F A ring */ add_dos_char(0206,0217);
/* 145 09/01 221 91 ae diphthong */
/* 146 09/02 222 92 AE diphthong */ add_dos_char(0221,0222);
/* 128 08/00 200 80 C cedilla */
/* 135 08/07 207 87 c cedilla */ add_dos_char(0207,0200);
/* 138 08/10 212 8A e grave */
/* 212 13/04 324 D4 E grave */ add_dos_char(0212,0324);
/* 130 08/02 202 82 e acute */
/* 144 09/00 220 90 E acute */ add_dos_char(0202,0220);
/* 136 08/08 210 88 e circumflex */
/* 210 13/02 322 D2 E circumflex */ add_dos_char(0210,0322);
/* 137 08/09 211 89 e diaeresis */
/* 211 13/03 323 D3 E diaeresis */ add_dos_char(0211,0323);
/* 141 08/13 215 8D i grave */
/* 222 13/14 336 DE I grave */ add_dos_char(0215,0336);
/* 161 10/01 241 A1 i acute */
/* 214 13/06 326 D6 I acute */ add_dos_char(0241,0326);
/* 140 08/12 214 8C i circumflex */
/* 215 13/07 327 D7 I circumflex */ add_dos_char(0214,0327);
/* 139 08/11 213 8B i diaeresis */
/* 216 13/08 330 D8 I diaeresis */ add_dos_char(0213,0330);
/* 208 13/00 320 D0 Icelandic eth */
/* 209 13/01 321 D1 Icelandic Eth */ add_dos_char(0320,0321);
/* 164 10/04 244 A4 n tilde */
/* 165 10/05 245 A5 N tilde */ add_dos_char(0244,0245);
/* 149 09/05 225 95 o grave */
/* 227 14/03 343 E3 O grave */ add_dos_char(0225,0343);
/* 162 10/02 242 A2 o acute */
/* 224 14/00 340 E0 O acute */ add_dos_char(0242,0340);
/* 147 09/03 223 93 o circumflex */
/* 226 14/02 342 E2 O circumflex */ add_dos_char(0223,0342);
/* 228 14/04 344 E4 o tilde */
/* 229 14/05 345 E5 O tilde */ add_dos_char(0344,0345);
/* 148 09/04 224 94 o diaeresis */
/* 153 09/09 231 99 O diaeresis */ add_dos_char(0224,0231);
/* 155 09/11 233 9B o slash */
/* 157 09/13 235 9D O slash */ add_dos_char(0233,0235);
/* 151 09/07 227 97 u grave */
/* 235 14/11 353 EB U grave */ add_dos_char(0227,0353);
/* 163 10/03 243 A3 u acute */
/* 233 14/09 351 E9 U acute */ add_dos_char(0243,0351);
/* 150 09/06 226 96 u circumflex */
/* 234 14/10 352 EA U circumflex */ add_dos_char(0226,0352);
/* 129 08/01 201 81 u diaeresis */
/* 154 09/10 232 9A U diaeresis */ add_dos_char(0201,0232);
/* 236 14/12 354 EC y acute */
/* 237 14/13 355 ED Y acute */ add_dos_char(0354,0355);
/* 231 14/07 347 E7 Icelandic thorn */
/* 232 14/08 350 E8 Icelandic Thorn */ add_dos_char(0347,0350);
add_dos_char(156,0); /* Pound */
#endif
}
/*******************************************************************
add characters depending on a string passed by the user
********************************************************************/
void add_char_string(char *s)
{
char *extra_chars = (char *)strdup(s);
char *t;
if (!extra_chars) return;
for (t=strtok(extra_chars," \t\r\n"); t; t=strtok(NULL," \t\r\n")) {
char c1=0,c2=0;
int i1=0,i2=0;
if (isdigit(*t) || (*t)=='-') {
sscanf(t,"%i:%i",&i1,&i2);
add_dos_char(i1,i2);
} else {
sscanf(t,"%c:%c",&c1,&c2);
add_dos_char(c1,c2);
}
}
free(extra_chars);
}
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