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Overview
| Comment: | Avoid using a misaligned pointer. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
1ecb3aa13de5c8dc611b814ff34010de |
| User & Date: | drh 2018-06-02 19:14:58 |
Context
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2018-06-04
| ||
| 19:24 | Version 3.24.0 check-in: c7ee0833 user: drh tags: trunk, release, version-3.24.0 | |
| 14:10 | Merge changes from trunk. check-in: 95fbac39 user: drh tags: apple-osx | |
| 13:27 | Merge recent changes from trunk. check-in: f8df2a8e user: drh tags: multikey-opt-idea | |
| 08:28 | Merge latest trunk changes into this branch. check-in: 83d6416a user: dan tags: exp-window-functions | |
|
2018-06-02
| ||
| 19:14 | Avoid using a misaligned pointer. check-in: 1ecb3aa1 user: drh tags: trunk | |
| 19:01 | Fix the usage of posix_fallocate() so that it correctly responds to EINVAL returns. check-in: ce2c3e7a user: drh tags: trunk | |
| 16:32 | Work around a sanitizer warning about a pointer being only 4-byte aligned instead of 8-byte aligned. Closed-Leaf check-in: 1b807b51 user: drh tags: align8-fix | |
Changes
Changes to src/btree.c.
860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 |
**
** Calling this routine with a NULL cursor pointer returns false.
**
** Use the separate sqlite3BtreeCursorRestore() routine to restore a cursor
** back to where it ought to be if this routine returns true.
*/
int sqlite3BtreeCursorHasMoved(BtCursor *pCur){
return pCur->eState!=CURSOR_VALID;
}
/*
** Return a pointer to a fake BtCursor object that will always answer
** false to the sqlite3BtreeCursorHasMoved() routine above. The fake
** cursor returned must not be used with any other Btree interface.
*/
|
| > > > > |
860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 |
**
** Calling this routine with a NULL cursor pointer returns false.
**
** Use the separate sqlite3BtreeCursorRestore() routine to restore a cursor
** back to where it ought to be if this routine returns true.
*/
int sqlite3BtreeCursorHasMoved(BtCursor *pCur){
assert( EIGHT_BYTE_ALIGNMENT(pCur)
|| pCur==sqlite3BtreeFakeValidCursor() );
assert( offsetof(BtCursor, eState)==0 );
assert( sizeof(pCur->eState)==1 );
return CURSOR_VALID != *(u8*)pCur;
}
/*
** Return a pointer to a fake BtCursor object that will always answer
** false to the sqlite3BtreeCursorHasMoved() routine above. The fake
** cursor returned must not be used with any other Btree interface.
*/
|