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Revise Bitvec struct sizing to prevent assertion failure on 64-bit systems (CVS 4862)

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FossilOrigin-Name: a3c12dbe95c8fb93f5b9006bf5d2c5b933fc5e87
This commit is contained in:
mlcreech
2008-03-14 13:02:08 +00:00
parent d5fe8d6c43
commit dda5b68cb3
4 changed files with 42 additions and 19 deletions
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11
src/bitvec.c
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@@ -32,16 +32,19 @@
** start of a transaction, and is thus usually less than a few thousand,
** but can be as large as 2 billion for a really big database.
**
** @(#) $Id: bitvec.c,v 1.1 2008/02/18 14:47:34 drh Exp $
** @(#) $Id: bitvec.c,v 1.2 2008/03/14 13:02:08 mlcreech Exp $
*/
#include "sqliteInt.h"
#define BITVEC_SZ 512
#define BITVEC_NCHAR (BITVEC_SZ-12)
/* Round the union size down to the nearest pointer boundary, since that's how
** it will be aligned within the Bitvec struct. */
#define BITVEC_USIZE (((BITVEC_SZ-12)/sizeof(Bitvec *))*sizeof(Bitvec *))
#define BITVEC_NCHAR BITVEC_USIZE
#define BITVEC_NBIT (BITVEC_NCHAR*8)
#define BITVEC_NINT ((BITVEC_SZ-12)/4)
#define BITVEC_NINT (BITVEC_USIZE/4)
#define BITVEC_MXHASH (BITVEC_NINT/2)
#define BITVEC_NPTR ((BITVEC_SZ-12)/8)
#define BITVEC_NPTR (BITVEC_USIZE/sizeof(Bitvec *))
#define BITVEC_HASH(X) (((X)*37)%BITVEC_NINT)