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Overview
Comment: | Fix a buffer overrun in the where.c. Problem detected by valgrind. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | mistake |
Files: | files | file ages | folders |
SHA1: |
15bb62330681a5b2aad95a1d1fc9ab8f |
User & Date: | drh 2010-07-03 01:44:27.000 |
Context
2010-07-03
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05:56 | Change code in OP_Rewind to avoid a valgrind warning following an error in the btree layer. This change does not fix any bug, just a warning. (check-in: 4f62dbcfc9 user: dan tags: mistake) | |
01:44 | Fix a buffer overrun in the where.c. Problem detected by valgrind. (check-in: 15bb623306 user: drh tags: mistake) | |
2010-07-02
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19:49 | Changes to os_win.c to have it return same error code as os_unix.c. (check-in: 33b6f069d8 user: shaneh tags: mistake) | |
Changes
Changes to src/where.c.
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3431 3432 3433 3434 3435 3436 3437 | zEndAff = sqlite3DbStrDup(pParse->db, zStartAff); addrNxt = pLevel->addrNxt; /* If we are doing a reverse order scan on an ascending index, or ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ | | | 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 | zEndAff = sqlite3DbStrDup(pParse->db, zStartAff); addrNxt = pLevel->addrNxt; /* If we are doing a reverse order scan on an ascending index, or ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ if( nEq<pIdx->nColumn && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC) ){ SWAP(WhereTerm *, pRangeEnd, pRangeStart); } testcase( pRangeStart && pRangeStart->eOperator & WO_LE ); testcase( pRangeStart && pRangeStart->eOperator & WO_GE ); testcase( pRangeEnd && pRangeEnd->eOperator & WO_LE ); testcase( pRangeEnd && pRangeEnd->eOperator & WO_GE ); |
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