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Continued work on btree (CVS 219)

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FossilOrigin-Name: 18500cdcc1a42118cdf650681ebb1cbeac106aa7
This commit is contained in:
drh
2001-05-24 21:06:34 +00:00
parent 306dc21379
commit 72f8286960
7 changed files with 372 additions and 80 deletions
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16
src/btree.h
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@@ -24,7 +24,7 @@
** This header file defines the interface that the sqlite B-Tree file
** subsystem.
**
** @(#) $Id: btree.h,v 1.1 2001/04/17 20:09:11 drh Exp $
** @(#) $Id: btree.h,v 1.2 2001/05/24 21:06:36 drh Exp $
*/
typedef struct Btree Btree;
@@ -39,18 +39,12 @@ int sqliteBtreeRollback(Btree*);
int sqliteBtreeCursor(Btree*, BtCursor **ppCur);
/* Move the cursor so that it points to an entry near pKey.
** Return 0 if the cursor is left pointing exactly at pKey.
** Return -1 if the cursor points to the largest entry less than pKey.
** Return 1 if the cursor points to the smallest entry greater than pKey.
*/
int sqliteBtreeMoveto(BtCursor*, void *pKey, int nKey);
int sqliteBtreeMoveto(BtCursor*, void *pKey, int nKey, *pRes);
int sqliteBtreeDelete(BtCursor*);
int sqliteBtreeInsert(BtCursor*, void *pKey, int nKey, void *pData, int nData);
int sqliteBtreeNext(BtCursor*);
int sqliteBtreeKeySize(BtCursor*);
int sqliteBtreeNext(BtCursor*, int *pRes);
int sqliteBtreeKeySize(BtCursor*, int *pSize);
int sqliteBtreeKey(BtCursor*, int offset, int amt, char *zBuf);
int sqliteBtreeDataSize(BtCursor*);
int sqliteBtreeDataSize(BtCursor*, int *pSize);
int sqliteBtreeData(BtCursor*, int offset, int amt, char *zBuf);
int sqliteBtreeCloseCursor(BtCursor*);