xref: /openbmc/linux/fs/nls/nls_koi8-u.c (revision e3b9f1e8)
1 /*
2  * linux/fs/nls/nls_koi8-u.c
3  *
4  * Charset koi8-u translation tables.
5  * The Unicode to charset table has only exact mappings.
6  */
7 
8 #include <linux/module.h>
9 #include <linux/kernel.h>
10 #include <linux/string.h>
11 #include <linux/nls.h>
12 #include <linux/errno.h>
13 
14 static const wchar_t charset2uni[256] = {
15 	/* 0x00*/
16 	0x0000, 0x0001, 0x0002, 0x0003,
17 	0x0004, 0x0005, 0x0006, 0x0007,
18 	0x0008, 0x0009, 0x000a, 0x000b,
19 	0x000c, 0x000d, 0x000e, 0x000f,
20 	/* 0x10*/
21 	0x0010, 0x0011, 0x0012, 0x0013,
22 	0x0014, 0x0015, 0x0016, 0x0017,
23 	0x0018, 0x0019, 0x001a, 0x001b,
24 	0x001c, 0x001d, 0x001e, 0x001f,
25 	/* 0x20*/
26 	0x0020, 0x0021, 0x0022, 0x0023,
27 	0x0024, 0x0025, 0x0026, 0x0027,
28 	0x0028, 0x0029, 0x002a, 0x002b,
29 	0x002c, 0x002d, 0x002e, 0x002f,
30 	/* 0x30*/
31 	0x0030, 0x0031, 0x0032, 0x0033,
32 	0x0034, 0x0035, 0x0036, 0x0037,
33 	0x0038, 0x0039, 0x003a, 0x003b,
34 	0x003c, 0x003d, 0x003e, 0x003f,
35 	/* 0x40*/
36 	0x0040, 0x0041, 0x0042, 0x0043,
37 	0x0044, 0x0045, 0x0046, 0x0047,
38 	0x0048, 0x0049, 0x004a, 0x004b,
39 	0x004c, 0x004d, 0x004e, 0x004f,
40 	/* 0x50*/
41 	0x0050, 0x0051, 0x0052, 0x0053,
42 	0x0054, 0x0055, 0x0056, 0x0057,
43 	0x0058, 0x0059, 0x005a, 0x005b,
44 	0x005c, 0x005d, 0x005e, 0x005f,
45 	/* 0x60*/
46 	0x0060, 0x0061, 0x0062, 0x0063,
47 	0x0064, 0x0065, 0x0066, 0x0067,
48 	0x0068, 0x0069, 0x006a, 0x006b,
49 	0x006c, 0x006d, 0x006e, 0x006f,
50 	/* 0x70*/
51 	0x0070, 0x0071, 0x0072, 0x0073,
52 	0x0074, 0x0075, 0x0076, 0x0077,
53 	0x0078, 0x0079, 0x007a, 0x007b,
54 	0x007c, 0x007d, 0x007e, 0x007f,
55 	/* 0x80*/
56 	0x2500, 0x2502, 0x250c, 0x2510,
57 	0x2514, 0x2518, 0x251c, 0x2524,
58 	0x252c, 0x2534, 0x253c, 0x2580,
59 	0x2584, 0x2588, 0x258c, 0x2590,
60 	/* 0x90*/
61 	0x2591, 0x2592, 0x2593, 0x2320,
62 	0x25a0, 0x2219, 0x221a, 0x2248,
63 	0x2264, 0x2265, 0x00a0, 0x2321,
64 	0x00b0, 0x00b2, 0x00b7, 0x00f7,
65 	/* 0xa0*/
66 	0x2550, 0x2551, 0x2552, 0x0451,
67 	0x0454, 0x2554, 0x0456, 0x0457,
68 	0x2557, 0x2558, 0x2559, 0x255a,
69 	0x255b, 0x0491, 0x255d, 0x255e,
70 	/* 0xb0*/
71 	0x255f, 0x2560, 0x2561, 0x0401,
72 	0x0404, 0x2563, 0x0406, 0x0407,
73 	0x2566, 0x2567, 0x2568, 0x2569,
74 	0x256a, 0x0490, 0x256c, 0x00a9,
75 	/* 0xc0*/
76 	0x044e, 0x0430, 0x0431, 0x0446,
77 	0x0434, 0x0435, 0x0444, 0x0433,
78 	0x0445, 0x0438, 0x0439, 0x043a,
79 	0x043b, 0x043c, 0x043d, 0x043e,
80 	/* 0xd0*/
81 	0x043f, 0x044f, 0x0440, 0x0441,
82 	0x0442, 0x0443, 0x0436, 0x0432,
83 	0x044c, 0x044b, 0x0437, 0x0448,
84 	0x044d, 0x0449, 0x0447, 0x044a,
85 	/* 0xe0*/
86 	0x042e, 0x0410, 0x0411, 0x0426,
87 	0x0414, 0x0415, 0x0424, 0x0413,
88 	0x0425, 0x0418, 0x0419, 0x041a,
89 	0x041b, 0x041c, 0x041d, 0x041e,
90 	/* 0xf0*/
91 	0x041f, 0x042f, 0x0420, 0x0421,
92 	0x0422, 0x0423, 0x0416, 0x0412,
93 	0x042c, 0x042b, 0x0417, 0x0428,
94 	0x042d, 0x0429, 0x0427, 0x042a,
95 };
96 
97 static const unsigned char page00[256] = {
98 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
99 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
100 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
101 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
102 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
103 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
104 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
105 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
106 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
107 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
108 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
109 	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
110 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
111 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
112 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
113 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
114 
115 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
116 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
117 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
118 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
119 	0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
120 	0x00, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
121 	0x9c, 0x00, 0x9d, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xb0-0xb7 */
122 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
123 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
124 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
125 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
126 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
127 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
128 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
129 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, /* 0xf0-0xf7 */
130 };
131 
132 static const unsigned char page04[256] = {
133 	0x00, 0xb3, 0x00, 0x00, 0xb4, 0x00, 0xb6, 0xb7, /* 0x00-0x07 */
134 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
135 	0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa, /* 0x10-0x17 */
136 	0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, /* 0x18-0x1f */
137 	0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe, /* 0x20-0x27 */
138 	0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1, /* 0x28-0x2f */
139 	0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda, /* 0x30-0x37 */
140 	0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, /* 0x38-0x3f */
141 	0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde, /* 0x40-0x47 */
142 	0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1, /* 0x48-0x4f */
143 	0x00, 0xa3, 0x00, 0x00, 0xa4, 0x00, 0xa6, 0xa7, /* 0x50-0x57 */
144 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
145 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
146 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
147 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
148 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
149 
150 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
151 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
152 	0xbd, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
153 };
154 
155 static const unsigned char page22[256] = {
156 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
157 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
158 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
159 	0x00, 0x95, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
160 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
161 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
162 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
163 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
164 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
165 	0x97, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
166 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
167 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
168 	0x00, 0x00, 0x00, 0x00, 0x98, 0x99, 0x00, 0x00, /* 0x60-0x67 */
169 };
170 
171 static const unsigned char page23[256] = {
172 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
173 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
174 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
175 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
176 	0x93, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
177 };
178 
179 static const unsigned char page25[256] = {
180 	0x80, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
181 	0x00, 0x00, 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, /* 0x08-0x0f */
182 	0x83, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, /* 0x10-0x17 */
183 	0x85, 0x00, 0x00, 0x00, 0x86, 0x00, 0x00, 0x00, /* 0x18-0x1f */
184 	0x00, 0x00, 0x00, 0x00, 0x87, 0x00, 0x00, 0x00, /* 0x20-0x27 */
185 	0x00, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, /* 0x28-0x2f */
186 	0x00, 0x00, 0x00, 0x00, 0x89, 0x00, 0x00, 0x00, /* 0x30-0x37 */
187 	0x00, 0x00, 0x00, 0x00, 0x8a, 0x00, 0x00, 0x00, /* 0x38-0x3f */
188 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
189 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
190 	0xa0, 0xa1, 0xa2, 0x00, 0xa5, 0x00, 0x00, 0xa8, /* 0x50-0x57 */
191 	0xa9, 0xaa, 0xab, 0xac, 0x00, 0xae, 0xaf, 0xb0, /* 0x58-0x5f */
192 	0xb1, 0xb2, 0x00, 0xb5, 0x00, 0x00, 0xb8, 0xb9, /* 0x60-0x67 */
193 	0xba, 0xbb, 0xbc, 0x00, 0xbe, 0x00, 0x00, 0x00, /* 0x68-0x6f */
194 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
195 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
196 
197 	0x8b, 0x00, 0x00, 0x00, 0x8c, 0x00, 0x00, 0x00, /* 0x80-0x87 */
198 	0x8d, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00, /* 0x88-0x8f */
199 	0x8f, 0x90, 0x91, 0x92, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
200 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
201 	0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
202 };
203 
204 static const unsigned char *const page_uni2charset[256] = {
205 	page00, NULL,   NULL,   NULL,   page04, NULL,   NULL,   NULL,
206 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
207 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
208 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
209 	NULL,   NULL,   page22, page23, NULL,   page25, NULL,   NULL,
210 };
211 
212 static const unsigned char charset2lower[256] = {
213 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
214 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
215 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
216 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
217 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
218 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
219 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
220 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
221 	0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */
222 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */
223 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */
224 	0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
225 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
226 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
227 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
228 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
229 
230 	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
231 	0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
232 	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
233 	0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
234 	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */
235 	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
236 	0xb0, 0xb1, 0xb2, 0xa3, 0xa4, 0xb5, 0xa6, 0xa7, /* 0xb0-0xb7 */
237 	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xad, 0xbe, 0xbf, /* 0xb8-0xbf */
238 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */
239 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
240 	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
241 	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
242 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xe0-0xe7 */
243 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xe8-0xef */
244 	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xf0-0xf7 */
245 	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xf8-0xff */
246 };
247 
248 static const unsigned char charset2upper[256] = {
249 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
250 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
251 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
252 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
253 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
254 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
255 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
256 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
257 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
258 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
259 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
260 	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
261 	0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
262 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
263 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
264 	0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
265 
266 	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
267 	0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
268 	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
269 	0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
270 	0xa0, 0xa1, 0xa2, 0xb3, 0xb4, 0xa5, 0xb6, 0xb7, /* 0xa0-0xa7 */
271 	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xbd, 0xae, 0xaf, /* 0xa8-0xaf */
272 	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
273 	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */
274 	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xc0-0xc7 */
275 	0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xc8-0xcf */
276 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xd0-0xd7 */
277 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xd8-0xdf */
278 	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
279 	0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
280 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
281 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
282 };
283 
284 static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
285 {
286 	const unsigned char *uni2charset;
287 	unsigned char cl = uni & 0x00ff;
288 	unsigned char ch = (uni & 0xff00) >> 8;
289 
290 	if (boundlen <= 0)
291 		return -ENAMETOOLONG;
292 
293 	uni2charset = page_uni2charset[ch];
294 	if (uni2charset && uni2charset[cl])
295 		out[0] = uni2charset[cl];
296 	else
297 		return -EINVAL;
298 	return 1;
299 }
300 
301 static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
302 {
303 	*uni = charset2uni[*rawstring];
304 	if (*uni == 0x0000)
305 		return -EINVAL;
306 	return 1;
307 }
308 
309 static struct nls_table table = {
310 	.charset	= "koi8-u",
311 	.uni2char	= uni2char,
312 	.char2uni	= char2uni,
313 	.charset2lower	= charset2lower,
314 	.charset2upper	= charset2upper,
315 };
316 
317 static int __init init_nls_koi8_u(void)
318 {
319 	return register_nls(&table);
320 }
321 
322 static void __exit exit_nls_koi8_u(void)
323 {
324 	unregister_nls(&table);
325 }
326 
327 module_init(init_nls_koi8_u)
328 module_exit(exit_nls_koi8_u)
329 
330 MODULE_LICENSE("Dual BSD/GPL");
331