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Overview
Comment: | Fix for a segfault that can follow a malloc failure. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | wal-refactor |
Files: | files | file ages | folders |
SHA1: |
3cab9022457ce50f82c5822d8ba6c04a |
User & Date: | dan 2010-05-13 07:08:54.000 |
Context
2010-05-13
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08:33 | Change the xShmSize() implementation in os_unix.c so that it will only increase and never decrease the size of a shared-memory segment. (Closed-Leaf check-in: 149d2ae4a6 user: drh tags: wal-refactor) | |
07:08 | Fix for a segfault that can follow a malloc failure. (check-in: 3cab902245 user: dan tags: wal-refactor) | |
06:19 | Modify the VFS in test_vfs.c to match the refactoring of the xShmXXX methods. (check-in: 25e72f8156 user: dan tags: wal-refactor) | |
Changes
Changes to src/wal.c.
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698 699 700 701 702 703 704 | pRet->pVfs = pVfs; pRet->pWalFd = (sqlite3_file *)&pRet[1]; pRet->pDbFd = pDbFd; pRet->zWalName = zWal = pVfs->szOsFile + (char*)pRet->pWalFd; sqlite3_snprintf(nWal, zWal, "%s-wal", zDbName); rc = sqlite3OsShmOpen(pDbFd); | < > | 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 | pRet->pVfs = pVfs; pRet->pWalFd = (sqlite3_file *)&pRet[1]; pRet->pDbFd = pDbFd; pRet->zWalName = zWal = pVfs->szOsFile + (char*)pRet->pWalFd; sqlite3_snprintf(nWal, zWal, "%s-wal", zDbName); rc = sqlite3OsShmOpen(pDbFd); /* Open file handle on the write-ahead log file. */ if( rc==SQLITE_OK ){ pRet->isWindexOpen = 1; flags = (SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE|SQLITE_OPEN_MAIN_JOURNAL); rc = sqlite3OsOpen(pVfs, zWal, pRet->pWalFd, flags, &flags); } if( rc!=SQLITE_OK ){ walIndexClose(pRet, 0); sqlite3OsClose(pRet->pWalFd); |
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