This source file includes following definitions.
- uni2char
- char2uni
- init_nls_iso8859_7
- exit_nls_iso8859_7
1
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4
5
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8
9
10 #include <linux/module.h>
11 #include <linux/kernel.h>
12 #include <linux/string.h>
13 #include <linux/nls.h>
14 #include <linux/errno.h>
15
16 static const wchar_t charset2uni[256] = {
17
18 0x0000, 0x0001, 0x0002, 0x0003,
19 0x0004, 0x0005, 0x0006, 0x0007,
20 0x0008, 0x0009, 0x000a, 0x000b,
21 0x000c, 0x000d, 0x000e, 0x000f,
22
23 0x0010, 0x0011, 0x0012, 0x0013,
24 0x0014, 0x0015, 0x0016, 0x0017,
25 0x0018, 0x0019, 0x001a, 0x001b,
26 0x001c, 0x001d, 0x001e, 0x001f,
27
28 0x0020, 0x0021, 0x0022, 0x0023,
29 0x0024, 0x0025, 0x0026, 0x0027,
30 0x0028, 0x0029, 0x002a, 0x002b,
31 0x002c, 0x002d, 0x002e, 0x002f,
32
33 0x0030, 0x0031, 0x0032, 0x0033,
34 0x0034, 0x0035, 0x0036, 0x0037,
35 0x0038, 0x0039, 0x003a, 0x003b,
36 0x003c, 0x003d, 0x003e, 0x003f,
37
38 0x0040, 0x0041, 0x0042, 0x0043,
39 0x0044, 0x0045, 0x0046, 0x0047,
40 0x0048, 0x0049, 0x004a, 0x004b,
41 0x004c, 0x004d, 0x004e, 0x004f,
42
43 0x0050, 0x0051, 0x0052, 0x0053,
44 0x0054, 0x0055, 0x0056, 0x0057,
45 0x0058, 0x0059, 0x005a, 0x005b,
46 0x005c, 0x005d, 0x005e, 0x005f,
47
48 0x0060, 0x0061, 0x0062, 0x0063,
49 0x0064, 0x0065, 0x0066, 0x0067,
50 0x0068, 0x0069, 0x006a, 0x006b,
51 0x006c, 0x006d, 0x006e, 0x006f,
52
53 0x0070, 0x0071, 0x0072, 0x0073,
54 0x0074, 0x0075, 0x0076, 0x0077,
55 0x0078, 0x0079, 0x007a, 0x007b,
56 0x007c, 0x007d, 0x007e, 0x007f,
57
58 0x0080, 0x0081, 0x0082, 0x0083,
59 0x0084, 0x0085, 0x0086, 0x0087,
60 0x0088, 0x0089, 0x008a, 0x008b,
61 0x008c, 0x008d, 0x008e, 0x008f,
62
63 0x0090, 0x0091, 0x0092, 0x0093,
64 0x0094, 0x0095, 0x0096, 0x0097,
65 0x0098, 0x0099, 0x009a, 0x009b,
66 0x009c, 0x009d, 0x009e, 0x009f,
67
68 0x00a0, 0x02bd, 0x02bc, 0x00a3,
69 0x0000, 0x0000, 0x00a6, 0x00a7,
70 0x00a8, 0x00a9, 0x0000, 0x00ab,
71 0x00ac, 0x00ad, 0x0000, 0x2015,
72
73 0x00b0, 0x00b1, 0x00b2, 0x00b3,
74 0x0384, 0x0385, 0x0386, 0x00b7,
75 0x0388, 0x0389, 0x038a, 0x00bb,
76 0x038c, 0x00bd, 0x038e, 0x038f,
77
78 0x0390, 0x0391, 0x0392, 0x0393,
79 0x0394, 0x0395, 0x0396, 0x0397,
80 0x0398, 0x0399, 0x039a, 0x039b,
81 0x039c, 0x039d, 0x039e, 0x039f,
82
83 0x03a0, 0x03a1, 0x0000, 0x03a3,
84 0x03a4, 0x03a5, 0x03a6, 0x03a7,
85 0x03a8, 0x03a9, 0x03aa, 0x03ab,
86 0x03ac, 0x03ad, 0x03ae, 0x03af,
87
88 0x03b0, 0x03b1, 0x03b2, 0x03b3,
89 0x03b4, 0x03b5, 0x03b6, 0x03b7,
90 0x03b8, 0x03b9, 0x03ba, 0x03bb,
91 0x03bc, 0x03bd, 0x03be, 0x03bf,
92
93 0x03c0, 0x03c1, 0x03c2, 0x03c3,
94 0x03c4, 0x03c5, 0x03c6, 0x03c7,
95 0x03c8, 0x03c9, 0x03ca, 0x03cb,
96 0x03cc, 0x03cd, 0x03ce, 0x0000,
97 };
98
99 static const unsigned char page00[256] = {
100 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
101 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
102 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
103 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
104 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
105 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
106 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
107 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
108 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
109 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
110 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
111 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
112 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
113 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
114 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
115 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
116
117 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
118 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
119 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
120 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
121 0xa0, 0x00, 0x00, 0xa3, 0x00, 0x00, 0xa6, 0xa7,
122 0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0x00, 0x00,
123 0xb0, 0xb1, 0xb2, 0xb3, 0x00, 0x00, 0x00, 0xb7,
124 0x00, 0x00, 0x00, 0xbb, 0x00, 0xbd, 0x00, 0x00,
125 };
126
127 static const unsigned char page02[256] = {
128 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
129 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
130 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
131 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
132 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
133 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
135 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
137 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
138 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
139 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
140 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
141 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
142 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
143 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
144
145 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
146 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
147 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
151 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
152 0x00, 0x00, 0x00, 0x00, 0xa2, 0xa1, 0x00, 0x00,
153 };
154
155 static const unsigned char page03[256] = {
156 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
157 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
159 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
161 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
162 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
163 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
164 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
165 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
166 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
167 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
168 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
169 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
170 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172
173 0x00, 0x00, 0x00, 0x00, 0xb4, 0xb5, 0xb6, 0x00,
174 0xb8, 0xb9, 0xba, 0x00, 0xbc, 0x00, 0xbe, 0xbf,
175 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
176 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
177 0xd0, 0xd1, 0x00, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
178 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
179 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
180 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
181 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
182 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00,
183 };
184
185 static const unsigned char page20[256] = {
186 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
187 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
188 0x00, 0x00, 0x00, 0x00, 0x00, 0xaf, 0x00, 0x00,
189 };
190
191 static const unsigned char *const page_uni2charset[256] = {
192 page00, NULL, page02, page03, NULL, NULL, NULL, NULL,
193 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
194 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
195 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
196 page20, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
197 };
198
199 static const unsigned char charset2lower[256] = {
200 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
201 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
202 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
203 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
204 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
205 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
206 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
207 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
208 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
209 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
210 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
211 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
212 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
213 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
214 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
215 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
216
217 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
218 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
219 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
220 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
221 0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0x00, 0xa6, 0xa7,
222 0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0x00, 0xaf,
223 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xdc, 0xb7,
224 0xdd, 0xde, 0xdf, 0xbb, 0xfc, 0xbd, 0xfd, 0xfe,
225 0xc0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
226 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
227 0xf0, 0xf1, 0x00, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
228 0xf8, 0xf9, 0xfa, 0xfb, 0xdc, 0xdd, 0xde, 0xdf,
229 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
230 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
231 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
232 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00,
233 };
234
235 static const unsigned char charset2upper[256] = {
236 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
237 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
238 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
239 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
240 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
241 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
242 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
243 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
244 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
245 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
246 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
247 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
248 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
249 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
250 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
251 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
252
253 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
254 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
255 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
256 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
257 0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0x00, 0xa6, 0xa7,
258 0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0x00, 0xaf,
259 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
260 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
261 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
262 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
263 0xd0, 0xd1, 0x00, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
264 0xd8, 0xd9, 0xda, 0xdb, 0xb6, 0xb8, 0xb9, 0xba,
265 0xe0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
266 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
267 0xd0, 0xd1, 0xd3, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
268 0xd8, 0xd9, 0xda, 0xdb, 0xbc, 0xbe, 0xbf, 0x00,
269 };
270
271 static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
272 {
273 const unsigned char *uni2charset;
274 unsigned char cl = uni & 0x00ff;
275 unsigned char ch = (uni & 0xff00) >> 8;
276
277 if (boundlen <= 0)
278 return -ENAMETOOLONG;
279
280 uni2charset = page_uni2charset[ch];
281 if (uni2charset && uni2charset[cl])
282 out[0] = uni2charset[cl];
283 else
284 return -EINVAL;
285 return 1;
286 }
287
288 static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
289 {
290 *uni = charset2uni[*rawstring];
291 if (*uni == 0x0000)
292 return -EINVAL;
293 return 1;
294 }
295
296 static struct nls_table table = {
297 .charset = "iso8859-7",
298 .uni2char = uni2char,
299 .char2uni = char2uni,
300 .charset2lower = charset2lower,
301 .charset2upper = charset2upper,
302 };
303
304 static int __init init_nls_iso8859_7(void)
305 {
306 return register_nls(&table);
307 }
308
309 static void __exit exit_nls_iso8859_7(void)
310 {
311 unregister_nls(&table);
312 }
313
314 module_init(init_nls_iso8859_7)
315 module_exit(exit_nls_iso8859_7)
316
317 MODULE_LICENSE("Dual BSD/GPL");