pg_crc.c

来自「PostgreSQL7.4.6 for Linux」· C语言 代码 · 共 418 行 · 第 1/2 页

/*-------------------------------------------------------------------------
 *
 * pg_crc.c
 *	  PostgreSQL 64-bit CRC support
 *
 * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *	  $Header: /cvsroot/pgsql/src/backend/utils/hash/pg_crc.c,v 1.9 2003/08/04 02:40:06 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"

#include "utils/pg_crc.h"


#ifdef INT64_IS_BUSTED

const uint32 crc_table0[256] = {
	0x00000000, 0xA9EA3693,
	0x53D46D26, 0xFA3E5BB5,
	0x0E42ECDF, 0xA7A8DA4C,
	0x5D9681F9, 0xF47CB76A,
	0x1C85D9BE, 0xB56FEF2D,
	0x4F51B498, 0xE6BB820B,
	0x12C73561, 0xBB2D03F2,
	0x41135847, 0xE8F96ED4,
	0x90E185EF, 0x390BB37C,
	0xC335E8C9, 0x6ADFDE5A,
	0x9EA36930, 0x37495FA3,
	0xCD770416, 0x649D3285,
	0x8C645C51, 0x258E6AC2,
	0xDFB03177, 0x765A07E4,
	0x8226B08E, 0x2BCC861D,
	0xD1F2DDA8, 0x7818EB3B,
	0x21C30BDE, 0x88293D4D,
	0x721766F8, 0xDBFD506B,
	0x2F81E701, 0x866BD192,
	0x7C558A27, 0xD5BFBCB4,
	0x3D46D260, 0x94ACE4F3,
	0x6E92BF46, 0xC77889D5,
	0x33043EBF, 0x9AEE082C,
	0x60D05399, 0xC93A650A,
	0xB1228E31, 0x18C8B8A2,
	0xE2F6E317, 0x4B1CD584,
	0xBF6062EE, 0x168A547D,
	0xECB40FC8, 0x455E395B,
	0xADA7578F, 0x044D611C,
	0xFE733AA9, 0x57990C3A,
	0xA3E5BB50, 0x0A0F8DC3,
	0xF031D676, 0x59DBE0E5,
	0xEA6C212F, 0x438617BC,
	0xB9B84C09, 0x10527A9A,
	0xE42ECDF0, 0x4DC4FB63,
	0xB7FAA0D6, 0x1E109645,
	0xF6E9F891, 0x5F03CE02,
	0xA53D95B7, 0x0CD7A324,
	0xF8AB144E, 0x514122DD,
	0xAB7F7968, 0x02954FFB,
	0x7A8DA4C0, 0xD3679253,
	0x2959C9E6, 0x80B3FF75,
	0x74CF481F, 0xDD257E8C,
	0x271B2539, 0x8EF113AA,
	0x66087D7E, 0xCFE24BED,
	0x35DC1058, 0x9C3626CB,
	0x684A91A1, 0xC1A0A732,
	0x3B9EFC87, 0x9274CA14,
	0xCBAF2AF1, 0x62451C62,
	0x987B47D7, 0x31917144,
	0xC5EDC62E, 0x6C07F0BD,
	0x9639AB08, 0x3FD39D9B,
	0xD72AF34F, 0x7EC0C5DC,
	0x84FE9E69, 0x2D14A8FA,
	0xD9681F90, 0x70822903,
	0x8ABC72B6, 0x23564425,
	0x5B4EAF1E, 0xF2A4998D,
	0x089AC238, 0xA170F4AB,
	0x550C43C1, 0xFCE67552,
	0x06D82EE7, 0xAF321874,
	0x47CB76A0, 0xEE214033,
	0x141F1B86, 0xBDF52D15,
	0x49899A7F, 0xE063ACEC,
	0x1A5DF759, 0xB3B7C1CA,
	0x7D3274CD, 0xD4D8425E,
	0x2EE619EB, 0x870C2F78,
	0x73709812, 0xDA9AAE81,
	0x20A4F534, 0x894EC3A7,
	0x61B7AD73, 0xC85D9BE0,
	0x3263C055, 0x9B89F6C6,
	0x6FF541AC, 0xC61F773F,
	0x3C212C8A, 0x95CB1A19,
	0xEDD3F122, 0x4439C7B1,
	0xBE079C04, 0x17EDAA97,
	0xE3911DFD, 0x4A7B2B6E,
	0xB04570DB, 0x19AF4648,
	0xF156289C, 0x58BC1E0F,
	0xA28245BA, 0x0B687329,
	0xFF14C443, 0x56FEF2D0,
	0xACC0A965, 0x052A9FF6,
	0x5CF17F13, 0xF51B4980,
	0x0F251235, 0xA6CF24A6,
	0x52B393CC, 0xFB59A55F,
	0x0167FEEA, 0xA88DC879,
	0x4074A6AD, 0xE99E903E,
	0x13A0CB8B, 0xBA4AFD18,
	0x4E364A72, 0xE7DC7CE1,
	0x1DE22754, 0xB40811C7,
	0xCC10FAFC, 0x65FACC6F,
	0x9FC497DA, 0x362EA149,
	0xC2521623, 0x6BB820B0,
	0x91867B05, 0x386C4D96,
	0xD0952342, 0x797F15D1,
	0x83414E64, 0x2AAB78F7,
	0xDED7CF9D, 0x773DF90E,
	0x8D03A2BB, 0x24E99428,
	0x975E55E2, 0x3EB46371,
	0xC48A38C4, 0x6D600E57,
	0x991CB93D, 0x30F68FAE,
	0xCAC8D41B, 0x6322E288,
	0x8BDB8C5C, 0x2231BACF,
	0xD80FE17A, 0x71E5D7E9,
	0x85996083, 0x2C735610,
	0xD64D0DA5, 0x7FA73B36,
	0x07BFD00D, 0xAE55E69E,
	0x546BBD2B, 0xFD818BB8,
	0x09FD3CD2, 0xA0170A41,
	0x5A2951F4, 0xF3C36767,
	0x1B3A09B3, 0xB2D03F20,
	0x48EE6495, 0xE1045206,
	0x1578E56C, 0xBC92D3FF,
	0x46AC884A, 0xEF46BED9,
	0xB69D5E3C, 0x1F7768AF,
	0xE549331A, 0x4CA30589,
	0xB8DFB2E3, 0x11358470,
	0xEB0BDFC5, 0x42E1E956,
	0xAA188782, 0x03F2B111,
	0xF9CCEAA4, 0x5026DC37,
	0xA45A6B5D, 0x0DB05DCE,
	0xF78E067B, 0x5E6430E8,
	0x267CDBD3, 0x8F96ED40,
	0x75A8B6F5, 0xDC428066,
	0x283E370C, 0x81D4019F,
	0x7BEA5A2A, 0xD2006CB9,
	0x3AF9026D, 0x931334FE,
	0x692D6F4B, 0xC0C759D8,
	0x34BBEEB2, 0x9D51D821,
	0x676F8394, 0xCE85B507
};

const uint32 crc_table1[256] = {
	0x00000000, 0x42F0E1EB,
	0x85E1C3D7, 0xC711223C,
	0x49336645, 0x0BC387AE,
	0xCCD2A592, 0x8E224479,
	0x9266CC8A, 0xD0962D61,
	0x17870F5D, 0x5577EEB6,
	0xDB55AACF, 0x99A54B24,
	0x5EB46918, 0x1C4488F3,
	0x663D78FF, 0x24CD9914,
	0xE3DCBB28, 0xA12C5AC3,
	0x2F0E1EBA, 0x6DFEFF51,
	0xAAEFDD6D, 0xE81F3C86,
	0xF45BB475, 0xB6AB559E,
	0x71BA77A2, 0x334A9649,
	0xBD68D230, 0xFF9833DB,
	0x388911E7, 0x7A79F00C,
	0xCC7AF1FF, 0x8E8A1014,
	0x499B3228, 0x0B6BD3C3,
	0x854997BA, 0xC7B97651,
	0x00A8546D, 0x4258B586,
	0x5E1C3D75, 0x1CECDC9E,
	0xDBFDFEA2, 0x990D1F49,
	0x172F5B30, 0x55DFBADB,
	0x92CE98E7, 0xD03E790C,
	0xAA478900, 0xE8B768EB,
	0x2FA64AD7, 0x6D56AB3C,
	0xE374EF45, 0xA1840EAE,
	0x66952C92, 0x2465CD79,
	0x3821458A, 0x7AD1A461,
	0xBDC0865D, 0xFF3067B6,
	0x711223CF, 0x33E2C224,
	0xF4F3E018, 0xB60301F3,
	0xDA050215, 0x98F5E3FE,
	0x5FE4C1C2, 0x1D142029,
	0x93366450, 0xD1C685BB,
	0x16D7A787, 0x5427466C,
	0x4863CE9F, 0x0A932F74,
	0xCD820D48, 0x8F72ECA3,
	0x0150A8DA, 0x43A04931,
	0x84B16B0D, 0xC6418AE6,
	0xBC387AEA, 0xFEC89B01,
	0x39D9B93D, 0x7B2958D6,
	0xF50B1CAF, 0xB7FBFD44,
	0x70EADF78, 0x321A3E93,
	0x2E5EB660, 0x6CAE578B,
	0xABBF75B7, 0xE94F945C,
	0x676DD025, 0x259D31CE,
	0xE28C13F2, 0xA07CF219,
	0x167FF3EA, 0x548F1201,
	0x939E303D, 0xD16ED1D6,
	0x5F4C95AF, 0x1DBC7444,
	0xDAAD5678, 0x985DB793,
	0x84193F60, 0xC6E9DE8B,
	0x01F8FCB7, 0x43081D5C,
	0xCD2A5925, 0x8FDAB8CE,
	0x48CB9AF2, 0x0A3B7B19,