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0001 /*
0002  * linux/fs/nls/nls_iso8859-13.c
0003  *
0004  * Charset iso8859-13 translation tables.
0005  * The Unicode to charset table has only exact mappings.
0006  */
0007 
0008 #include <linux/module.h>
0009 #include <linux/kernel.h>
0010 #include <linux/string.h>
0011 #include <linux/nls.h>
0012 #include <linux/errno.h>
0013 
0014 static const wchar_t charset2uni[256] = {
0015     /* 0x00*/
0016     0x0000, 0x0001, 0x0002, 0x0003,
0017     0x0004, 0x0005, 0x0006, 0x0007,
0018     0x0008, 0x0009, 0x000a, 0x000b,
0019     0x000c, 0x000d, 0x000e, 0x000f,
0020     /* 0x10*/
0021     0x0010, 0x0011, 0x0012, 0x0013,
0022     0x0014, 0x0015, 0x0016, 0x0017,
0023     0x0018, 0x0019, 0x001a, 0x001b,
0024     0x001c, 0x001d, 0x001e, 0x001f,
0025     /* 0x20*/
0026     0x0020, 0x0021, 0x0022, 0x0023,
0027     0x0024, 0x0025, 0x0026, 0x0027,
0028     0x0028, 0x0029, 0x002a, 0x002b,
0029     0x002c, 0x002d, 0x002e, 0x002f,
0030     /* 0x30*/
0031     0x0030, 0x0031, 0x0032, 0x0033,
0032     0x0034, 0x0035, 0x0036, 0x0037,
0033     0x0038, 0x0039, 0x003a, 0x003b,
0034     0x003c, 0x003d, 0x003e, 0x003f,
0035     /* 0x40*/
0036     0x0040, 0x0041, 0x0042, 0x0043,
0037     0x0044, 0x0045, 0x0046, 0x0047,
0038     0x0048, 0x0049, 0x004a, 0x004b,
0039     0x004c, 0x004d, 0x004e, 0x004f,
0040     /* 0x50*/
0041     0x0050, 0x0051, 0x0052, 0x0053,
0042     0x0054, 0x0055, 0x0056, 0x0057,
0043     0x0058, 0x0059, 0x005a, 0x005b,
0044     0x005c, 0x005d, 0x005e, 0x005f,
0045     /* 0x60*/
0046     0x0060, 0x0061, 0x0062, 0x0063,
0047     0x0064, 0x0065, 0x0066, 0x0067,
0048     0x0068, 0x0069, 0x006a, 0x006b,
0049     0x006c, 0x006d, 0x006e, 0x006f,
0050     /* 0x70*/
0051     0x0070, 0x0071, 0x0072, 0x0073,
0052     0x0074, 0x0075, 0x0076, 0x0077,
0053     0x0078, 0x0079, 0x007a, 0x007b,
0054     0x007c, 0x007d, 0x007e, 0x007f,
0055     /* 0x80*/
0056     0x0080, 0x0081, 0x0082, 0x0083,
0057     0x0084, 0x0085, 0x0086, 0x0087,
0058     0x0088, 0x0089, 0x008a, 0x008b,
0059     0x008c, 0x008d, 0x008e, 0x008f,
0060     /* 0x90*/
0061     0x0090, 0x0091, 0x0092, 0x0093,
0062     0x0094, 0x0095, 0x0096, 0x0097,
0063     0x0098, 0x0099, 0x009a, 0x009b,
0064     0x009c, 0x009d, 0x009e, 0x009f,
0065     /* 0xa0*/
0066     0x00a0, 0x201d, 0x00a2, 0x00a3,
0067     0x00a4, 0x201e, 0x00a6, 0x00a7,
0068     0x00d8, 0x00a9, 0x0156, 0x00ab,
0069     0x00ac, 0x00ad, 0x00ae, 0x00c6,
0070     /* 0xb0*/
0071     0x00b0, 0x00b1, 0x00b2, 0x00b3,
0072     0x201c, 0x00b5, 0x00b6, 0x00b7,
0073     0x00f8, 0x00b9, 0x0157, 0x00bb,
0074     0x00bc, 0x00bd, 0x00be, 0x00e6,
0075     /* 0xc0*/
0076     0x0104, 0x012e, 0x0100, 0x0106,
0077     0x00c4, 0x00c5, 0x0118, 0x0112,
0078     0x010c, 0x00c9, 0x0179, 0x0116,
0079     0x0122, 0x0136, 0x012a, 0x013b,
0080     /* 0xd0*/
0081     0x0160, 0x0143, 0x0145, 0x00d3,
0082     0x014c, 0x00d5, 0x00d6, 0x00d7,
0083     0x0172, 0x0141, 0x015a, 0x016a,
0084     0x00dc, 0x017b, 0x017d, 0x00df,
0085     /* 0xe0*/
0086     0x0105, 0x012f, 0x0101, 0x0107,
0087     0x00e4, 0x00e5, 0x0119, 0x0113,
0088     0x010d, 0x00e9, 0x017a, 0x0117,
0089     0x0123, 0x0137, 0x012b, 0x013c,
0090     /* 0xf0*/
0091     0x0161, 0x0144, 0x0146, 0x00f3,
0092     0x014d, 0x00f5, 0x00f6, 0x00f7,
0093     0x0173, 0x0142, 0x015b, 0x016b,
0094     0x00fc, 0x017c, 0x017e, 0x2019,
0095 };
0096 
0097 static const unsigned char page00[256] = {
0098     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
0099     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
0100     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
0101     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
0102     0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
0103     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
0104     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
0105     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
0106     0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
0107     0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
0108     0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
0109     0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
0110     0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
0111     0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
0112     0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
0113     0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
0114 
0115     0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
0116     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
0117     0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
0118     0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
0119     0xa0, 0x00, 0xa2, 0xa3, 0xa4, 0x00, 0xa6, 0xa7, /* 0xa0-0xa7 */
0120     0x00, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0x00, /* 0xa8-0xaf */
0121     0xb0, 0xb1, 0xb2, 0xb3, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
0122     0x00, 0xb9, 0x00, 0xbb, 0xbc, 0xbd, 0xbe, 0x00, /* 0xb8-0xbf */
0123     0x00, 0x00, 0x00, 0x00, 0xc4, 0xc5, 0xaf, 0x00, /* 0xc0-0xc7 */
0124     0x00, 0xc9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
0125     0x00, 0x00, 0x00, 0xd3, 0x00, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
0126     0xa8, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */
0127     0x00, 0x00, 0x00, 0x00, 0xe4, 0xe5, 0xbf, 0x00, /* 0xe0-0xe7 */
0128     0x00, 0xe9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
0129     0x00, 0x00, 0x00, 0xf3, 0x00, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
0130     0xb8, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, /* 0xf8-0xff */
0131 };
0132 
0133 static const unsigned char page01[256] = {
0134     0xc2, 0xe2, 0x00, 0x00, 0xc0, 0xe0, 0xc3, 0xe3, /* 0x00-0x07 */
0135     0x00, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0x00, 0x00, /* 0x08-0x0f */
0136     0x00, 0x00, 0xc7, 0xe7, 0x00, 0x00, 0xcb, 0xeb, /* 0x10-0x17 */
0137     0xc6, 0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
0138     0x00, 0x00, 0xcc, 0xec, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
0139     0x00, 0x00, 0xce, 0xee, 0x00, 0x00, 0xc1, 0xe1, /* 0x28-0x2f */
0140     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcd, 0xed, /* 0x30-0x37 */
0141     0x00, 0x00, 0x00, 0xcf, 0xef, 0x00, 0x00, 0x00, /* 0x38-0x3f */
0142     0x00, 0xd9, 0xf9, 0xd1, 0xf1, 0xd2, 0xf2, 0x00, /* 0x40-0x47 */
0143     0x00, 0x00, 0x00, 0x00, 0xd4, 0xf4, 0x00, 0x00, /* 0x48-0x4f */
0144     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xba, /* 0x50-0x57 */
0145     0x00, 0x00, 0xda, 0xfa, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
0146     0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
0147     0x00, 0x00, 0xdb, 0xfb, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
0148     0x00, 0x00, 0xd8, 0xf8, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
0149     0x00, 0xca, 0xea, 0xdd, 0xfd, 0xde, 0xfe, 0x00, /* 0x78-0x7f */
0150 };
0151 
0152 static const unsigned char page20[256] = {
0153     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
0154     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
0155     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
0156     0x00, 0xff, 0x00, 0x00, 0xb4, 0xa1, 0xa5, 0x00, /* 0x18-0x1f */
0157 };
0158 
0159 static const unsigned char *const page_uni2charset[256] = {
0160     page00, page01,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
0161       NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
0162       NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
0163       NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
0164     page20,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
0165 };
0166 
0167 static const unsigned char charset2lower[256] = {
0168     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
0169     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
0170     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
0171     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
0172     0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
0173     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
0174     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
0175     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
0176     0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */
0177     0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */
0178     0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */
0179     0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
0180     0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
0181     0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
0182     0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
0183     0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
0184 
0185     0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
0186     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
0187     0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
0188     0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
0189     0xa0, 0xb1, 0xa2, 0xb3, 0xa4, 0xb5, 0xb6, 0xa7, /* 0xa0-0xa7 */
0190     0xa8, 0xb9, 0xba, 0xbb, 0xbc, 0xad, 0xbe, 0xaf, /* 0xa8-0xaf */
0191     0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
0192     0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbf, 0xbe, 0xbf, /* 0xb8-0xbf */
0193     0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xc0-0xc7 */
0194     0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xc8-0xcf */
0195     0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xd7, /* 0xd0-0xd7 */
0196     0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xdf, /* 0xd8-0xdf */
0197     0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
0198     0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
0199     0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
0200     0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
0201 };
0202 
0203 static const unsigned char charset2upper[256] = {
0204     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
0205     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
0206     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
0207     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
0208     0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
0209     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
0210     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
0211     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
0212     0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
0213     0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
0214     0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
0215     0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
0216     0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
0217     0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
0218     0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
0219     0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
0220 
0221     0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
0222     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
0223     0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
0224     0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
0225     0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */
0226     0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
0227     0xb0, 0xa1, 0xb2, 0xa3, 0xb4, 0xa5, 0xa6, 0xb7, /* 0xb0-0xb7 */
0228     0xb8, 0xa9, 0xaa, 0xab, 0xac, 0xbd, 0xae, 0xbd, /* 0xb8-0xbf */
0229     0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */
0230     0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
0231     0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
0232     0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
0233     0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xe0-0xe7 */
0234     0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xe8-0xef */
0235     0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xf7, /* 0xf0-0xf7 */
0236     0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, /* 0xf8-0xff */
0237 };
0238 
0239 static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
0240 {
0241     const unsigned char *uni2charset;
0242     unsigned char cl = uni & 0x00ff;
0243     unsigned char ch = (uni & 0xff00) >> 8;
0244 
0245     if (boundlen <= 0)
0246         return -ENAMETOOLONG;
0247 
0248     uni2charset = page_uni2charset[ch];
0249     if (uni2charset && uni2charset[cl])
0250         out[0] = uni2charset[cl];
0251     else
0252         return -EINVAL;
0253     return 1;
0254 }
0255 
0256 static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
0257 {
0258     *uni = charset2uni[*rawstring];
0259     if (*uni == 0x0000)
0260         return -EINVAL;
0261     return 1;
0262 }
0263 
0264 static struct nls_table table = {
0265     .charset    = "iso8859-13",
0266     .uni2char   = uni2char,
0267     .char2uni   = char2uni,
0268     .charset2lower  = charset2lower,
0269     .charset2upper  = charset2upper,
0270 };
0271 
0272 static int __init init_nls_iso8859_13(void)
0273 {
0274     return register_nls(&table);
0275 }
0276 
0277 static void __exit exit_nls_iso8859_13(void)
0278 {
0279     unregister_nls(&table);
0280 }
0281 
0282 module_init(init_nls_iso8859_13)
0283 module_exit(exit_nls_iso8859_13)
0284 
0285 MODULE_LICENSE("Dual BSD/GPL");
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