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Overview
| Comment: | Fix a bug that can cause a segfault on win32 systems following an I/O error. (CVS 4565) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
eeec8d27c4533f62b4f7e739d9c89555 |
| User & Date: | drh 2007-11-27 16:55:08 |
Context
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2007-11-27
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| 17:12 | Version 3.5.3 (CVS 4566) check-in: a39007d5 user: drh tags: trunk | |
| 16:55 | Fix a bug that can cause a segfault on win32 systems following an I/O error. (CVS 4565) check-in: eeec8d27 user: drh tags: trunk | |
| 14:50 | Bug fix in the configure script. Ticket #2799. The configure script is a real mess and needs to be completely rewritten. (CVS 4564) check-in: 9d15f033 user: drh tags: trunk | |
Changes
Changes to src/pager.c.
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** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.394 2007/11/05 15:30:13 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include <assert.h> #include <string.h> /* ................................................................................ ** If the current size of the database file is 0 but a journal file ** exists, that is probably an old journal left over from a prior ** database with the same name. Just delete the journal. */ static int hasHotJournal(Pager *pPager){ sqlite3_vfs *pVfs = pPager->pVfs; if( !pPager->useJournal ) return 0; if( !sqlite3OsAccess(pVfs, pPager->zJournal, SQLITE_ACCESS_EXISTS) ){ return 0; } if( sqlite3OsCheckReservedLock(pPager->fd) ){ return 0; } if( sqlite3PagerPagecount(pPager)==0 ){ |
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** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.395 2007/11/27 16:55:08 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include <assert.h> #include <string.h> /* ................................................................................ ** If the current size of the database file is 0 but a journal file ** exists, that is probably an old journal left over from a prior ** database with the same name. Just delete the journal. */ static int hasHotJournal(Pager *pPager){ sqlite3_vfs *pVfs = pPager->pVfs; if( !pPager->useJournal ) return 0; if( !pPager->fd->pMethods ) return 0; if( !sqlite3OsAccess(pVfs, pPager->zJournal, SQLITE_ACCESS_EXISTS) ){ return 0; } if( sqlite3OsCheckReservedLock(pPager->fd) ){ return 0; } if( sqlite3PagerPagecount(pPager)==0 ){ |