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Overview
| Comment: | Avoid decrementing a pointer off the front end of the buffer in OP_MakeRecord. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
153135bfb3b8f7c407ccf36571e2d4d5 |
| User & Date: | drh 2016-04-07 14:16:16.723 |
Context
|
2016-04-07
| ||
| 18:42 | Prevent the in-memory journal read cursor from entering an inconsistent state when it reads the last few bytes out of the journal file. Fix for ticket [7f7f8026eda38]. (check-in: c4b9c611bd user: drh tags: trunk) | |
| 14:16 | Avoid decrementing a pointer off the front end of the buffer in OP_MakeRecord. (check-in: 153135bfb3 user: drh tags: trunk) | |
| 14:05 | Instead of just commenting out the unneeded code in the previous check-in, remove it completely. (check-in: 8415d4848a user: drh tags: trunk) | |
Changes
Changes to src/vdbe.c.
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len -= pRec->u.nZero;
}
}
nData += len;
testcase( serial_type==127 );
testcase( serial_type==128 );
nHdr += serial_type<=127 ? 1 : sqlite3VarintLen(serial_type);
| > > | | 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 |
len -= pRec->u.nZero;
}
}
nData += len;
testcase( serial_type==127 );
testcase( serial_type==128 );
nHdr += serial_type<=127 ? 1 : sqlite3VarintLen(serial_type);
if( pRec==pData0 ) break;
pRec--;
}while(1);
/* EVIDENCE-OF: R-22564-11647 The header begins with a single varint
** which determines the total number of bytes in the header. The varint
** value is the size of the header in bytes including the size varint
** itself. */
testcase( nHdr==126 );
testcase( nHdr==127 );
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