xref: /openbmc/linux/fs/nls/nls_cp857.c (revision d9fd5a71)
1 /*
2  * linux/fs/nls/nls_cp857.c
3  *
4  * Charset cp857 translation tables.
5  * Generated automatically from the Unicode and charset
6  * tables from the Unicode Organization (www.unicode.org).
7  * The Unicode to charset table has only exact mappings.
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 	/* 0x00*/
18 	0x0000, 0x0001, 0x0002, 0x0003,
19 	0x0004, 0x0005, 0x0006, 0x0007,
20 	0x0008, 0x0009, 0x000a, 0x000b,
21 	0x000c, 0x000d, 0x000e, 0x000f,
22 	/* 0x10*/
23 	0x0010, 0x0011, 0x0012, 0x0013,
24 	0x0014, 0x0015, 0x0016, 0x0017,
25 	0x0018, 0x0019, 0x001a, 0x001b,
26 	0x001c, 0x001d, 0x001e, 0x001f,
27 	/* 0x20*/
28 	0x0020, 0x0021, 0x0022, 0x0023,
29 	0x0024, 0x0025, 0x0026, 0x0027,
30 	0x0028, 0x0029, 0x002a, 0x002b,
31 	0x002c, 0x002d, 0x002e, 0x002f,
32 	/* 0x30*/
33 	0x0030, 0x0031, 0x0032, 0x0033,
34 	0x0034, 0x0035, 0x0036, 0x0037,
35 	0x0038, 0x0039, 0x003a, 0x003b,
36 	0x003c, 0x003d, 0x003e, 0x003f,
37 	/* 0x40*/
38 	0x0040, 0x0041, 0x0042, 0x0043,
39 	0x0044, 0x0045, 0x0046, 0x0047,
40 	0x0048, 0x0049, 0x004a, 0x004b,
41 	0x004c, 0x004d, 0x004e, 0x004f,
42 	/* 0x50*/
43 	0x0050, 0x0051, 0x0052, 0x0053,
44 	0x0054, 0x0055, 0x0056, 0x0057,
45 	0x0058, 0x0059, 0x005a, 0x005b,
46 	0x005c, 0x005d, 0x005e, 0x005f,
47 	/* 0x60*/
48 	0x0060, 0x0061, 0x0062, 0x0063,
49 	0x0064, 0x0065, 0x0066, 0x0067,
50 	0x0068, 0x0069, 0x006a, 0x006b,
51 	0x006c, 0x006d, 0x006e, 0x006f,
52 	/* 0x70*/
53 	0x0070, 0x0071, 0x0072, 0x0073,
54 	0x0074, 0x0075, 0x0076, 0x0077,
55 	0x0078, 0x0079, 0x007a, 0x007b,
56 	0x007c, 0x007d, 0x007e, 0x007f,
57 	/* 0x80*/
58 	0x00c7, 0x00fc, 0x00e9, 0x00e2,
59 	0x00e4, 0x00e0, 0x00e5, 0x00e7,
60 	0x00ea, 0x00eb, 0x00e8, 0x00ef,
61 	0x00ee, 0x0131, 0x00c4, 0x00c5,
62 	/* 0x90*/
63 	0x00c9, 0x00e6, 0x00c6, 0x00f4,
64 	0x00f6, 0x00f2, 0x00fb, 0x00f9,
65 	0x0130, 0x00d6, 0x00dc, 0x00f8,
66 	0x00a3, 0x00d8, 0x015e, 0x015f,
67 	/* 0xa0*/
68 	0x00e1, 0x00ed, 0x00f3, 0x00fa,
69 	0x00f1, 0x00d1, 0x011e, 0x011f,
70 	0x00bf, 0x00ae, 0x00ac, 0x00bd,
71 	0x00bc, 0x00a1, 0x00ab, 0x00bb,
72 	/* 0xb0*/
73 	0x2591, 0x2592, 0x2593, 0x2502,
74 	0x2524, 0x00c1, 0x00c2, 0x00c0,
75 	0x00a9, 0x2563, 0x2551, 0x2557,
76 	0x255d, 0x00a2, 0x00a5, 0x2510,
77 	/* 0xc0*/
78 	0x2514, 0x2534, 0x252c, 0x251c,
79 	0x2500, 0x253c, 0x00e3, 0x00c3,
80 	0x255a, 0x2554, 0x2569, 0x2566,
81 	0x2560, 0x2550, 0x256c, 0x00a4,
82 	/* 0xd0*/
83 	0x00ba, 0x00aa, 0x00ca, 0x00cb,
84 	0x00c8, 0x0000, 0x00cd, 0x00ce,
85 	0x00cf, 0x2518, 0x250c, 0x2588,
86 	0x2584, 0x00a6, 0x00cc, 0x2580,
87 	/* 0xe0*/
88 	0x00d3, 0x00df, 0x00d4, 0x00d2,
89 	0x00f5, 0x00d5, 0x00b5, 0x0000,
90 	0x00d7, 0x00da, 0x00db, 0x00d9,
91 	0x00ec, 0x00ff, 0x00af, 0x00b4,
92 	/* 0xf0*/
93 	0x00ad, 0x00b1, 0x0000, 0x00be,
94 	0x00b6, 0x00a7, 0x00f7, 0x00b8,
95 	0x00b0, 0x00a8, 0x00b7, 0x00b9,
96 	0x00b3, 0x00b2, 0x25a0, 0x00a0,
97 };
98 
99 static const unsigned char page00[256] = {
100 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
101 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
102 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
103 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
104 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
105 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
106 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
107 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
108 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
109 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
110 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
111 	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
112 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
113 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
114 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
115 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
116 
117 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
118 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
119 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
120 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
121 	0xff, 0xad, 0xbd, 0x9c, 0xcf, 0xbe, 0xdd, 0xf5, /* 0xa0-0xa7 */
122 	0xf9, 0xb8, 0xd1, 0xae, 0xaa, 0xf0, 0xa9, 0xee, /* 0xa8-0xaf */
123 	0xf8, 0xf1, 0xfd, 0xfc, 0xef, 0xe6, 0xf4, 0xfa, /* 0xb0-0xb7 */
124 	0xf7, 0xfb, 0xd0, 0xaf, 0xac, 0xab, 0xf3, 0xa8, /* 0xb8-0xbf */
125 	0xb7, 0xb5, 0xb6, 0xc7, 0x8e, 0x8f, 0x92, 0x80, /* 0xc0-0xc7 */
126 	0xd4, 0x90, 0xd2, 0xd3, 0xde, 0xd6, 0xd7, 0xd8, /* 0xc8-0xcf */
127 	0x00, 0xa5, 0xe3, 0xe0, 0xe2, 0xe5, 0x99, 0xe8, /* 0xd0-0xd7 */
128 	0x9d, 0xeb, 0xe9, 0xea, 0x9a, 0x00, 0x00, 0xe1, /* 0xd8-0xdf */
129 	0x85, 0xa0, 0x83, 0xc6, 0x84, 0x86, 0x91, 0x87, /* 0xe0-0xe7 */
130 	0x8a, 0x82, 0x88, 0x89, 0xec, 0xa1, 0x8c, 0x8b, /* 0xe8-0xef */
131 	0x00, 0xa4, 0x95, 0xa2, 0x93, 0xe4, 0x94, 0xf6, /* 0xf0-0xf7 */
132 	0x9b, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0xed, /* 0xf8-0xff */
133 };
134 
135 static const unsigned char page01[256] = {
136 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
137 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
138 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
139 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa6, 0xa7, /* 0x18-0x1f */
140 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
141 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
142 	0x98, 0x8d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
143 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
144 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
145 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
146 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
147 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, 0x9f, /* 0x58-0x5f */
148 };
149 
150 static const unsigned char page25[256] = {
151 	0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
152 	0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */
153 	0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */
154 	0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */
155 	0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */
156 	0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */
157 	0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */
158 	0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */
159 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
160 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
161 	0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, /* 0x50-0x57 */
162 	0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, /* 0x58-0x5f */
163 	0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, /* 0x60-0x67 */
164 	0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */
165 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
166 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
167 
168 	0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */
169 	0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
170 	0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
171 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
172 	0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
173 };
174 
175 static const unsigned char *const page_uni2charset[256] = {
176 	page00, page01, NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
177 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
178 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
179 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
180 	NULL,   NULL,   NULL,   NULL,   NULL,   page25, NULL,   NULL,
181 };
182 
183 static const unsigned char charset2lower[256] = {
184 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
185 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
186 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
187 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
188 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
189 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
190 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
191 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
192 	0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */
193 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */
194 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */
195 	0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
196 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
197 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
198 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
199 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
200 
201 	0x87, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
202 	0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x84, 0x86, /* 0x88-0x8f */
203 	0x82, 0x91, 0x91, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
204 	0x69, 0x94, 0x81, 0x9b, 0x9c, 0x9b, 0x9f, 0x9f, /* 0x98-0x9f */
205 	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa4, 0xa7, 0xa7, /* 0xa0-0xa7 */
206 	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
207 	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xa0, 0x83, 0x85, /* 0xb0-0xb7 */
208 	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */
209 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc6, /* 0xc0-0xc7 */
210 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
211 	0xd0, 0xd1, 0x88, 0x89, 0x8a, 0x00, 0xa1, 0x8c, /* 0xd0-0xd7 */
212 	0x8b, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xec, 0xdf, /* 0xd8-0xdf */
213 	0xa2, 0xe1, 0x93, 0x95, 0xe4, 0xe4, 0xe6, 0x00, /* 0xe0-0xe7 */
214 	0xe8, 0xa3, 0x96, 0x97, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
215 	0xf0, 0xf1, 0x00, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
216 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
217 };
218 
219 static const unsigned char charset2upper[256] = {
220 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
221 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
222 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
223 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
224 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
225 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
226 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
227 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
228 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
229 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
230 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
231 	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
232 	0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
233 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
234 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
235 	0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
236 
237 	0x80, 0x9a, 0x90, 0xb6, 0x8e, 0xb7, 0x8f, 0x80, /* 0x80-0x87 */
238 	0xd2, 0xd3, 0xd4, 0xd8, 0xd7, 0x49, 0x8e, 0x8f, /* 0x88-0x8f */
239 	0x90, 0x92, 0x92, 0xe2, 0x99, 0xe3, 0xea, 0xeb, /* 0x90-0x97 */
240 	0x98, 0x99, 0x9a, 0x9d, 0x9c, 0x9d, 0x9e, 0x9e, /* 0x98-0x9f */
241 	0xb5, 0xd6, 0xe0, 0xe9, 0xa5, 0xa5, 0xa6, 0xa6, /* 0xa0-0xa7 */
242 	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
243 	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
244 	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */
245 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc7, 0xc7, /* 0xc0-0xc7 */
246 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
247 	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0x00, 0xd6, 0xd7, /* 0xd0-0xd7 */
248 	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
249 	0xe0, 0xe1, 0xe2, 0xe3, 0xe5, 0xe5, 0x00, 0x00, /* 0xe0-0xe7 */
250 	0xe8, 0xe9, 0xea, 0xeb, 0xde, 0x00, 0xee, 0xef, /* 0xe8-0xef */
251 	0xf0, 0xf1, 0x00, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
252 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
253 };
254 
255 static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
256 {
257 	const unsigned char *uni2charset;
258 	unsigned char cl = uni & 0x00ff;
259 	unsigned char ch = (uni & 0xff00) >> 8;
260 
261 	if (boundlen <= 0)
262 		return -ENAMETOOLONG;
263 
264 	uni2charset = page_uni2charset[ch];
265 	if (uni2charset && uni2charset[cl])
266 		out[0] = uni2charset[cl];
267 	else
268 		return -EINVAL;
269 	return 1;
270 }
271 
272 static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
273 {
274 	*uni = charset2uni[*rawstring];
275 	if (*uni == 0x0000)
276 		return -EINVAL;
277 	return 1;
278 }
279 
280 static struct nls_table table = {
281 	.charset	= "cp857",
282 	.uni2char	= uni2char,
283 	.char2uni	= char2uni,
284 	.charset2lower	= charset2lower,
285 	.charset2upper	= charset2upper,
286 };
287 
288 static int __init init_nls_cp857(void)
289 {
290 	return register_nls(&table);
291 }
292 
293 static void __exit exit_nls_cp857(void)
294 {
295 	unregister_nls(&table);
296 }
297 
298 module_init(init_nls_cp857)
299 module_exit(exit_nls_cp857)
300 
301 MODULE_LICENSE("Dual BSD/GPL");
302