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Overview
| Comment: | Avoid left-shifting bits into the sign of a signed integer, as such behavior is technically undefined. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | pcache-bulk-local |
| Files: | files | file ages | folders |
| SHA1: |
9417b4021b779876dcb3b9be636f01f4 |
| User & Date: | drh 2015-07-08 01:22:52 |
Context
|
2015-07-08
| ||
| 13:40 | Do not do the bulk pcache1 allocations if SQLITE_CONFIG_PAGECACHE specifies a global page cache buffer. check-in: 75d98dae user: drh tags: pcache-bulk-local | |
| 01:22 | Avoid left-shifting bits into the sign of a signed integer, as such behavior is technically undefined. check-in: 9417b402 user: drh tags: pcache-bulk-local | |
|
2015-07-07
| ||
| 21:14 | Add a compile-time constant for configuring the default pagecache setup. check-in: ad5fdfba user: drh tags: pcache-bulk-local | |
Changes
Changes to src/btree.c.
9115 9116 9117 9118 9119 9120 9121 9122 9123 9124 9125 9126 9127 9128 9129 |
*/
i = get2byte(&data[hdr+1]);
while( i>0 ){
int size, j;
assert( (u32)i<=usableSize-4 ); /* Enforced by btreeInitPage() */
size = get2byte(&data[i+2]);
assert( (u32)(i+size)<=usableSize ); /* Enforced by btreeInitPage() */
btreeHeapInsert(heap, (i<<16)|(i+size-1));
/* EVIDENCE-OF: R-58208-19414 The first 2 bytes of a freeblock are a
** big-endian integer which is the offset in the b-tree page of the next
** freeblock in the chain, or zero if the freeblock is the last on the
** chain. */
j = get2byte(&data[i]);
/* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of
** increasing offset. */
|
| |
9115 9116 9117 9118 9119 9120 9121 9122 9123 9124 9125 9126 9127 9128 9129 |
*/
i = get2byte(&data[hdr+1]);
while( i>0 ){
int size, j;
assert( (u32)i<=usableSize-4 ); /* Enforced by btreeInitPage() */
size = get2byte(&data[i+2]);
assert( (u32)(i+size)<=usableSize ); /* Enforced by btreeInitPage() */
btreeHeapInsert(heap, (((u32)i)<<16)|(i+size-1));
/* EVIDENCE-OF: R-58208-19414 The first 2 bytes of a freeblock are a
** big-endian integer which is the offset in the b-tree page of the next
** freeblock in the chain, or zero if the freeblock is the last on the
** chain. */
j = get2byte(&data[i]);
/* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of
** increasing offset. */
|