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Overview
| Comment: | Make sure all bytes of the WAL file are initialized even if the checksums are not being computed until commit due to WAL overwrite. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
1f44a9bdc1577aed088d9b9188252722 |
| User & Date: | drh 2016-01-12 02:28:19 |
Context
|
2016-01-12
| ||
| 04:08 | Remove an unused field from the MemPage object. check-in: 5fc0a4c1 user: drh tags: trunk | |
| 02:28 | Make sure all bytes of the WAL file are initialized even if the checksums are not being computed until commit due to WAL overwrite. check-in: 1f44a9bd user: drh tags: trunk | |
| 02:00 | Fix an uninitialized field in the Select object when SELECTTRACE is enabled. check-in: fc628516 user: drh tags: trunk | |
Changes
Changes to src/wal.c.
704 704 705 705 nativeCksum = (pWal->hdr.bigEndCksum==SQLITE_BIGENDIAN); 706 706 walChecksumBytes(nativeCksum, aFrame, 8, aCksum, aCksum); 707 707 walChecksumBytes(nativeCksum, aData, pWal->szPage, aCksum, aCksum); 708 708 709 709 sqlite3Put4byte(&aFrame[16], aCksum[0]); 710 710 sqlite3Put4byte(&aFrame[20], aCksum[1]); 711 + }else{ 712 + memset(&aFrame[8], 0, 16); 711 713 } 712 714 } 713 715 714 716 /* 715 717 ** Check to see if the frame with header in aFrame[] and content 716 718 ** in aData[] is valid. If it is a valid frame, fill *piPage and 717 719 ** *pnTruncate and return true. Return if the frame is not valid.