crc32: use a different table

apps/crc32.c

@@ -9,70 +9,49 @@
 #include <errno.h>
 
 static unsigned int crctab[256] = {
-	0x00000000, 0x09073096, 0x120e612c, 0x1b0951ba,
-	0xff6dc419, 0xf66af48f, 0xed63a535, 0xe46495a3,
-	0xfedb8832, 0xf7dcb8a4, 0xecd5e91e, 0xe5d2d988,
-	0x01b64c2b, 0x08b17cbd, 0x13b82d07, 0x1abf1d91,
-	0xfdb71064, 0xf4b020f2, 0xefb97148, 0xe6be41de,
-	0x02dad47d, 0x0bdde4eb, 0x10d4b551, 0x19d385c7,
-	0x036c9856, 0x0a6ba8c0, 0x1162f97a, 0x1865c9ec,
-	0xfc015c4f, 0xf5066cd9, 0xee0f3d63, 0xe7080df5,
-	0xfb6e20c8, 0xf269105e, 0xe96041e4, 0xe0677172,
-	0x0403e4d1, 0x0d04d447, 0x160d85fd, 0x1f0ab56b,
-	0x05b5a8fa, 0x0cb2986c, 0x17bbc9d6, 0x1ebcf940,
-	0xfad86ce3, 0xf3df5c75, 0xe8d60dcf, 0xe1d13d59,
-	0x06d930ac, 0x0fde003a, 0x14d75180, 0x1dd06116,
-	0xf9b4f4b5, 0xf0b3c423, 0xebba9599, 0xe2bda50f,
-	0xf802b89e, 0xf1058808, 0xea0cd9b2, 0xe30be924,
-	0x076f7c87, 0x0e684c11, 0x15611dab, 0x1c662d3d,
-	0xf6dc4190, 0xffdb7106, 0xe4d220bc, 0xedd5102a,
-	0x09b18589, 0x00b6b51f, 0x1bbfe4a5, 0x12b8d433,
-	0x0807c9a2, 0x0100f934, 0x1a09a88e, 0x130e9818,
-	0xf76a0dbb, 0xfe6d3d2d, 0xe5646c97, 0xec635c01,
-	0x0b6b51f4, 0x026c6162, 0x196530d8, 0x1062004e,
-	0xf40695ed, 0xfd01a57b, 0xe608f4c1, 0xef0fc457,
-	0xf5b0d9c6, 0xfcb7e950, 0xe7beb8ea, 0xeeb9887c,
-	0x0add1ddf, 0x03da2d49, 0x18d37cf3, 0x11d44c65,
-	0x0db26158, 0x04b551ce, 0x1fbc0074, 0x16bb30e2,
-	0xf2dfa541, 0xfbd895d7, 0xe0d1c46d, 0xe9d6f4fb,
-	0xf369e96a, 0xfa6ed9fc, 0xe1678846, 0xe860b8d0,
-	0x0c042d73, 0x05031de5, 0x1e0a4c5f, 0x170d7cc9,
-	0xf005713c, 0xf90241aa, 0xe20b1010, 0xeb0c2086,
-	0x0f68b525, 0x066f85b3, 0x1d66d409, 0x1461e49f,
-	0x0edef90e, 0x07d9c998, 0x1cd09822, 0x15d7a8b4,
-	0xf1b33d17, 0xf8b40d81, 0xe3bd5c3b, 0xeaba6cad,
-	0xedb88320, 0xe4bfb3b6, 0xffb6e20c, 0xf6b1d29a,
-	0x12d54739, 0x1bd277af, 0x00db2615, 0x09dc1683,
-	0x13630b12, 0x1a643b84, 0x016d6a3e, 0x086a5aa8,
-	0xec0ecf0b, 0xe509ff9d, 0xfe00ae27, 0xf7079eb1,
-	0x100f9344, 0x1908a3d2, 0x0201f268, 0x0b06c2fe,
-	0xef62575d, 0xe66567cb, 0xfd6c3671, 0xf46b06e7,
-	0xeed41b76, 0xe7d32be0, 0xfcda7a5a, 0xf5dd4acc,
-	0x11b9df6f, 0x18beeff9, 0x03b7be43, 0x0ab08ed5,
-	0x16d6a3e8, 0x1fd1937e, 0x04d8c2c4, 0x0ddff252,
-	0xe9bb67f1, 0xe0bc5767, 0xfbb506dd, 0xf2b2364b,
-	0xe80d2bda, 0xe10a1b4c, 0xfa034af6, 0xf3047a60,
-	0x1760efc3, 0x1e67df55, 0x056e8eef, 0x0c69be79,
-	0xeb61b38c, 0xe266831a, 0xf96fd2a0, 0xf068e236,
-	0x140c7795, 0x1d0b4703, 0x060216b9, 0x0f05262f,
-	0x15ba3bbe, 0x1cbd0b28, 0x07b45a92, 0x0eb36a04,
-	0xead7ffa7, 0xe3d0cf31, 0xf8d99e8b, 0xf1deae1d,
-	0x1b64c2b0, 0x1263f226, 0x096aa39c, 0x006d930a,
-	0xe40906a9, 0xed0e363f, 0xf6076785, 0xff005713,
-	0xe5bf4a82, 0xecb87a14, 0xf7b12bae, 0xfeb61b38,
-	0x1ad28e9b, 0x13d5be0d, 0x08dcefb7, 0x01dbdf21,
-	0xe6d3d2d4, 0xefd4e242, 0xf4ddb3f8, 0xfdda836e,
-	0x19be16cd, 0x10b9265b, 0x0bb077e1, 0x02b74777,
-	0x18085ae6, 0x110f6a70, 0x0a063bca, 0x03010b5c,
-	0xe7659eff, 0xee62ae69, 0xf56bffd3, 0xfc6ccf45,
-	0xe00ae278, 0xe90dd2ee, 0xf2048354, 0xfb03b3c2,
-	0x1f672661, 0x166016f7, 0x0d69474d, 0x046e77db,
-	0x1ed16a4a, 0x17d65adc, 0x0cdf0b66, 0x05d83bf0,
-	0xe1bcae53, 0xe8bb9ec5, 0xf3b2cf7f, 0xfab5ffe9,
-	0x1dbdf21c, 0x14bac28a, 0x0fb39330, 0x06b4a3a6,
-	0xe2d03605, 0xebd70693, 0xf0de5729, 0xf9d967bf,
-	0xe3667a2e, 0xea614ab8, 0xf1681b02, 0xf86f2b94,
-	0x1c0bbe37, 0x150c8ea1, 0x0e05df1b, 0x0702ef8d,
+	0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+	0xe963a535, 0x9e6495a3,	0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+	0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+	0xf3b97148, 0x84be41de,	0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+	0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,	0x14015c4f, 0x63066cd9,
+	0xfa0f3d63, 0x8d080df5,	0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+	0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,	0x35b5a8fa, 0x42b2986c,
+	0xdbbbc9d6, 0xacbcf940,	0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+	0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+	0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+	0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,	0x76dc4190, 0x01db7106,
+	0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+	0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+	0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+	0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+	0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+	0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+	0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+	0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+	0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+	0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+	0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+	0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+	0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+	0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+	0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+	0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+	0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+	0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+	0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+	0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+	0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+	0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+	0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+	0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+	0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+	0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+	0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+	0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+	0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+	0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+	0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+	0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
 };
 
 #define RBUF_SIZE 10240
@@ -99,6 +78,6 @@ int main(int argc, char * argv[]) {
 	}
 	crc32 ^= 0xffffffff;
 
-	fprintf(stdout, "0x%x\n", (unsigned int)crc32);
+	fprintf(stdout, "%8x\n", (unsigned int)crc32);
 	return 0;
 }