mirror of
https://github.com/alliedmodders/amxmodx.git
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b706108ed6
commit 011d9b6b07d904ad1e81ef7c747269903e2d47c4
Author: David Anderson <dvander@alliedmods.net>
Date: Mon Jan 11 00:17:08 2010 -0600
Initial import from Subversion (amxmodx/trunk rev 3757).
150 lines
5.2 KiB
C
150 lines
5.2 KiB
C
/*
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** 2001 September 15
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** This header file defines the interface that the sqlite B-Tree file
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** subsystem. See comments in the source code for a detailed description
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** of what each interface routine does.
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**
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** @(#) $Id: btree.h 3426 2007-03-21 20:19:37Z damagedsoul $
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*/
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#ifndef _BTREE_H_
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#define _BTREE_H_
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/* TODO: This definition is just included so other modules compile. It
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** needs to be revisited.
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*/
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#define SQLITE_N_BTREE_META 10
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/*
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** If defined as non-zero, auto-vacuum is enabled by default. Otherwise
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** it must be turned on for each database using "PRAGMA auto_vacuum = 1".
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*/
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#ifndef SQLITE_DEFAULT_AUTOVACUUM
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#define SQLITE_DEFAULT_AUTOVACUUM 0
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#endif
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/*
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** Forward declarations of structure
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*/
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typedef struct Btree Btree;
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typedef struct BtCursor BtCursor;
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typedef struct BtShared BtShared;
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int sqlite3BtreeOpen(
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const char *zFilename, /* Name of database file to open */
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sqlite3 *db, /* Associated database connection */
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Btree **, /* Return open Btree* here */
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int flags /* Flags */
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);
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/* The flags parameter to sqlite3BtreeOpen can be the bitwise or of the
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** following values.
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**
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** NOTE: These values must match the corresponding PAGER_ values in
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** pager.h.
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*/
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#define BTREE_OMIT_JOURNAL 1 /* Do not use journal. No argument */
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#define BTREE_NO_READLOCK 2 /* Omit readlocks on readonly files */
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#define BTREE_MEMORY 4 /* In-memory DB. No argument */
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int sqlite3BtreeClose(Btree*);
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int sqlite3BtreeSetBusyHandler(Btree*,BusyHandler*);
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int sqlite3BtreeSetCacheSize(Btree*,int);
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int sqlite3BtreeSetSafetyLevel(Btree*,int,int);
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int sqlite3BtreeSyncDisabled(Btree*);
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int sqlite3BtreeSetPageSize(Btree*,int,int);
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int sqlite3BtreeGetPageSize(Btree*);
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int sqlite3BtreeGetReserve(Btree*);
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int sqlite3BtreeSetAutoVacuum(Btree *, int);
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int sqlite3BtreeGetAutoVacuum(Btree *);
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int sqlite3BtreeBeginTrans(Btree*,int);
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int sqlite3BtreeCommit(Btree*);
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int sqlite3BtreeRollback(Btree*);
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int sqlite3BtreeBeginStmt(Btree*);
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int sqlite3BtreeCommitStmt(Btree*);
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int sqlite3BtreeRollbackStmt(Btree*);
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int sqlite3BtreeCreateTable(Btree*, int*, int flags);
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int sqlite3BtreeIsInTrans(Btree*);
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int sqlite3BtreeIsInStmt(Btree*);
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int sqlite3BtreeIsInReadTrans(Btree*);
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int sqlite3BtreeSync(Btree*, const char *zMaster);
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void *sqlite3BtreeSchema(Btree *, int, void(*)(void *));
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int sqlite3BtreeSchemaLocked(Btree *);
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int sqlite3BtreeLockTable(Btree *, int, u8);
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const char *sqlite3BtreeGetFilename(Btree *);
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const char *sqlite3BtreeGetDirname(Btree *);
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const char *sqlite3BtreeGetJournalname(Btree *);
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int sqlite3BtreeCopyFile(Btree *, Btree *);
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/* The flags parameter to sqlite3BtreeCreateTable can be the bitwise OR
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** of the following flags:
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*/
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#define BTREE_INTKEY 1 /* Table has only 64-bit signed integer keys */
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#define BTREE_ZERODATA 2 /* Table has keys only - no data */
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#define BTREE_LEAFDATA 4 /* Data stored in leaves only. Implies INTKEY */
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int sqlite3BtreeDropTable(Btree*, int, int*);
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int sqlite3BtreeClearTable(Btree*, int);
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int sqlite3BtreeGetMeta(Btree*, int idx, u32 *pValue);
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int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value);
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int sqlite3BtreeCursor(
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Btree*, /* BTree containing table to open */
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int iTable, /* Index of root page */
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int wrFlag, /* 1 for writing. 0 for read-only */
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int(*)(void*,int,const void*,int,const void*), /* Key comparison function */
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void*, /* First argument to compare function */
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BtCursor **ppCursor /* Returned cursor */
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);
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void sqlite3BtreeSetCompare(
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BtCursor *,
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int(*)(void*,int,const void*,int,const void*),
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void*
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);
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int sqlite3BtreeCloseCursor(BtCursor*);
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int sqlite3BtreeMoveto(BtCursor*, const void *pKey, i64 nKey, int *pRes);
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int sqlite3BtreeDelete(BtCursor*);
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int sqlite3BtreeInsert(BtCursor*, const void *pKey, i64 nKey,
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const void *pData, int nData);
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int sqlite3BtreeFirst(BtCursor*, int *pRes);
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int sqlite3BtreeLast(BtCursor*, int *pRes);
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int sqlite3BtreeNext(BtCursor*, int *pRes);
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int sqlite3BtreeEof(BtCursor*);
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int sqlite3BtreeFlags(BtCursor*);
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int sqlite3BtreePrevious(BtCursor*, int *pRes);
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int sqlite3BtreeKeySize(BtCursor*, i64 *pSize);
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int sqlite3BtreeKey(BtCursor*, u32 offset, u32 amt, void*);
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const void *sqlite3BtreeKeyFetch(BtCursor*, int *pAmt);
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const void *sqlite3BtreeDataFetch(BtCursor*, int *pAmt);
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int sqlite3BtreeDataSize(BtCursor*, u32 *pSize);
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int sqlite3BtreeData(BtCursor*, u32 offset, u32 amt, void*);
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char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*);
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struct Pager *sqlite3BtreePager(Btree*);
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#ifdef SQLITE_TEST
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int sqlite3BtreeCursorInfo(BtCursor*, int*, int);
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void sqlite3BtreeCursorList(Btree*);
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#endif
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#ifdef SQLITE_DEBUG
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int sqlite3BtreePageDump(Btree*, int, int recursive);
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#else
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#define sqlite3BtreePageDump(X,Y,Z) SQLITE_OK
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#endif
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#endif /* _BTREE_H_ */
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