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Overview
| Comment: | Make the size of a Bitvec object 512 bytes on all platforms, instead of having the size depend on the size of a pointer. This makes testing easier. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
ca479f3de2927ccc05dc76d10e40c00b |
| User & Date: | drh 2010-08-05 11:56:01 |
Context
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2010-08-06
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| 02:10 | Change two automatic array variables into static constant arrays. Update and reformat some comments for cleaner presentation. check-in: a7a15547 user: drh tags: trunk | |
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2010-08-05
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| 16:22 | Merge trunk changes with experimental branch. check-in: acd26b8b user: dan tags: experimental | |
| 11:56 | Make the size of a Bitvec object 512 bytes on all platforms, instead of having the size depend on the size of a pointer. This makes testing easier. check-in: ca479f3d user: drh tags: trunk | |
| 03:21 | Do not read the database file size on a SAVEPOINT rollback any more since after checkin [65b8636ac6e5] the in-header-size field is always valid. check-in: fbe70e11 user: drh tags: trunk | |
Changes
Changes to src/bitvec.c.
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
** Bitvec object is the number of pages in the database file at the
** 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.
*/
#include "sqliteInt.h"
/* Size of the Bitvec structure in bytes. */
#define BITVEC_SZ (sizeof(void*)*128) /* 512 on 32bit. 1024 on 64bit */
/* 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-(3*sizeof(u32)))/sizeof(Bitvec*))*sizeof(Bitvec*))
/* Type of the array "element" for the bitmap representation.
** Should be a power of 2, and ideally, evenly divide into BITVEC_USIZE.
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33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
** Bitvec object is the number of pages in the database file at the
** 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.
*/
#include "sqliteInt.h"
/* Size of the Bitvec structure in bytes. */
#define BITVEC_SZ 512
/* 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-(3*sizeof(u32)))/sizeof(Bitvec*))*sizeof(Bitvec*))
/* Type of the array "element" for the bitmap representation.
** Should be a power of 2, and ideally, evenly divide into BITVEC_USIZE.
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