Mercurial > hg > CbC > old > DPP

annotate crc32.c @ 0:d4bc23cb728b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
author Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
date Wed, 16 Dec 2015 15:16:11 +0900
parents
children 190dadd8405b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 /*
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 $Id: crc32.c,v 1.1.1.1 2007/03/06 06:34:39 atsuki Exp $
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 Shinji KONO <kono@ie.u-ryukyu.ac.jp>
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 based on open source CRCtextDlg.cpp Richard A. Ellingson
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 This is generated by Perl, do not edit this. Edit Perl script.
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 */
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
9 static unsigned crc32_table[256] = {
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 0x00000000,0x04c11db7,0x09823b6e,0x0d4326d9,0x130476dc,0x17c56b6b,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 0x1a864db2,0x1e475005,0x2608edb8,0x22c9f00f,0x2f8ad6d6,0x2b4bcb61,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 0x350c9b64,0x31cd86d3,0x3c8ea00a,0x384fbdbd,0x4c11db70,0x48d0c6c7,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 0x4593e01e,0x4152fda9,0x5f15adac,0x5bd4b01b,0x569796c2,0x52568b75,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 0x6a1936c8,0x6ed82b7f,0x639b0da6,0x675a1011,0x791d4014,0x7ddc5da3,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 0x709f7b7a,0x745e66cd,0x9823b6e0,0x9ce2ab57,0x91a18d8e,0x95609039,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 0x8b27c03c,0x8fe6dd8b,0x82a5fb52,0x8664e6e5,0xbe2b5b58,0xbaea46ef,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 0xb7a96036,0xb3687d81,0xad2f2d84,0xa9ee3033,0xa4ad16ea,0xa06c0b5d,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 0xd4326d90,0xd0f37027,0xddb056fe,0xd9714b49,0xc7361b4c,0xc3f706fb,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 0xceb42022,0xca753d95,0xf23a8028,0xf6fb9d9f,0xfbb8bb46,0xff79a6f1,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 0xe13ef6f4,0xe5ffeb43,0xe8bccd9a,0xec7dd02d,0x34867077,0x30476dc0,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 0x3d044b19,0x39c556ae,0x278206ab,0x23431b1c,0x2e003dc5,0x2ac12072,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 0x128e9dcf,0x164f8078,0x1b0ca6a1,0x1fcdbb16,0x018aeb13,0x054bf6a4,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
23 0x0808d07d,0x0cc9cdca,0x7897ab07,0x7c56b6b0,0x71159069,0x75d48dde,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 0x6b93dddb,0x6f52c06c,0x6211e6b5,0x66d0fb02,0x5e9f46bf,0x5a5e5b08,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 0x571d7dd1,0x53dc6066,0x4d9b3063,0x495a2dd4,0x44190b0d,0x40d816ba,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
26 0xaca5c697,0xa864db20,0xa527fdf9,0xa1e6e04e,0xbfa1b04b,0xbb60adfc,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 0xb6238b25,0xb2e29692,0x8aad2b2f,0x8e6c3698,0x832f1041,0x87ee0df6,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 0x99a95df3,0x9d684044,0x902b669d,0x94ea7b2a,0xe0b41de7,0xe4750050,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
29 0xe9362689,0xedf73b3e,0xf3b06b3b,0xf771768c,0xfa325055,0xfef34de2,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
30 0xc6bcf05f,0xc27dede8,0xcf3ecb31,0xcbffd686,0xd5b88683,0xd1799b34,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
31 0xdc3abded,0xd8fba05a,0x690ce0ee,0x6dcdfd59,0x608edb80,0x644fc637,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 0x7a089632,0x7ec98b85,0x738aad5c,0x774bb0eb,0x4f040d56,0x4bc510e1,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 0x46863638,0x42472b8f,0x5c007b8a,0x58c1663d,0x558240e4,0x51435d53,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
34 0x251d3b9e,0x21dc2629,0x2c9f00f0,0x285e1d47,0x36194d42,0x32d850f5,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 0x3f9b762c,0x3b5a6b9b,0x0315d626,0x07d4cb91,0x0a97ed48,0x0e56f0ff,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 0x1011a0fa,0x14d0bd4d,0x19939b94,0x1d528623,0xf12f560e,0xf5ee4bb9,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
37 0xf8ad6d60,0xfc6c70d7,0xe22b20d2,0xe6ea3d65,0xeba91bbc,0xef68060b,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 0xd727bbb6,0xd3e6a601,0xdea580d8,0xda649d6f,0xc423cd6a,0xc0e2d0dd,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 0xcda1f604,0xc960ebb3,0xbd3e8d7e,0xb9ff90c9,0xb4bcb610,0xb07daba7,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 0xae3afba2,0xaafbe615,0xa7b8c0cc,0xa379dd7b,0x9b3660c6,0x9ff77d71,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 0x92b45ba8,0x9675461f,0x8832161a,0x8cf30bad,0x81b02d74,0x857130c3,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 0x5d8a9099,0x594b8d2e,0x5408abf7,0x50c9b640,0x4e8ee645,0x4a4ffbf2,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 0x470cdd2b,0x43cdc09c,0x7b827d21,0x7f436096,0x7200464f,0x76c15bf8,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 0x68860bfd,0x6c47164a,0x61043093,0x65c52d24,0x119b4be9,0x155a565e,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
45 0x18197087,0x1cd86d30,0x029f3d35,0x065e2082,0x0b1d065b,0x0fdc1bec,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 0x3793a651,0x3352bbe6,0x3e119d3f,0x3ad08088,0x2497d08d,0x2056cd3a,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
47 0x2d15ebe3,0x29d4f654,0xc5a92679,0xc1683bce,0xcc2b1d17,0xc8ea00a0,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 0xd6ad50a5,0xd26c4d12,0xdf2f6bcb,0xdbee767c,0xe3a1cbc1,0xe760d676,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 0xea23f0af,0xeee2ed18,0xf0a5bd1d,0xf464a0aa,0xf9278673,0xfde69bc4,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 0x89b8fd09,0x8d79e0be,0x803ac667,0x84fbdbd0,0x9abc8bd5,0x9e7d9662,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
51 0x933eb0bb,0x97ffad0c,0xafb010b1,0xab710d06,0xa6322bdf,0xa2f33668,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 0xbcb4666d,0xb8757bda,0xb5365d03,0xb1f740b4
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
53 };
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
55
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
56
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 // Once the lookup table has been filled in by the two functions above,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 // this function creates all CRCs using only the lookup table.
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 int Get_CRC(unsigned char *buffer,int len)
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 {
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 // Be sure to use unsigned variables,
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 // because negative values introduce high bits
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 // where zero bits are required.
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 // Start out with all bits set high.
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
66
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 unsigned ulCRC = 0xffffffff;
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
68
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 // Perform the algorithm on each character
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 // in the string, using the lookup table values.
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 while(len-->0) {
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 ulCRC = (ulCRC >> 8) ^ crc32_table[(ulCRC & 0xFF) ^ *buffer++];
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 }
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 // Exclusive OR the result with the beginning value.
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
76 return ulCRC ^ 0xffffffff;
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 }
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 // ******* End custom code *******
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80