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Overview
| Comment: | Fix a memory leak that could occur during error-state recovery. (CVS 4457) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
3d1d13d1eb5817c22956e6e779278311 |
| User & Date: | danielk1977 2007-10-03 15:22:26 |
Context
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2007-10-03
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| 15:30 | Rollback the transaction if an SQLITE_FULL error is encountered. This is a preliminary fix for ticket #2686. More testing and analysis is needed before we close the ticket. (CVS 4458) check-in: 0fb6d5a5 user: drh tags: trunk | |
| 15:22 | Fix a memory leak that could occur during error-state recovery. (CVS 4457) check-in: 3d1d13d1 user: danielk1977 tags: trunk | |
| 15:02 | Add a test case to malloc.test. (CVS 4456) check-in: 7d3f0b14 user: danielk1977 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 1.391 2007/10/03 08:46:45 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include <assert.h> #include <string.h> /* ................................................................................ ** cache can be discarded and the error code safely cleared. */ if( pPager->errCode ){ pPager->errCode = SQLITE_OK; pager_reset(pPager); if( pPager->stmtOpen ){ sqlite3OsClose(pPager->stfd); } if( pPager->journalOpen ){ sqlite3OsClose(pPager->jfd); pPager->journalOpen = 0; } pPager->stmtOpen = 0; pPager->stmtInUse = 0; pPager->journalOff = 0; pPager->journalStarted = 0; pPager->stmtAutoopen = 0; pPager->origDbSize = 0; ................................................................................ } if( !pPager->journalOpen ){ pPager->stmtAutoopen = 1; return SQLITE_OK; } assert( pPager->journalOpen ); pagerLeave(pPager); pPager->aInStmt = sqlite3MallocZero( pPager->dbSize/8 + 1 ); pagerEnter(pPager); if( pPager->aInStmt==0 ){ /* sqlite3OsLock(pPager->fd, SHARED_LOCK); */ return SQLITE_NOMEM; } #ifndef NDEBUG |
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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 1.392 2007/10/03 15:22:26 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include <assert.h> #include <string.h> /* ................................................................................ ** cache can be discarded and the error code safely cleared. */ if( pPager->errCode ){ pPager->errCode = SQLITE_OK; pager_reset(pPager); if( pPager->stmtOpen ){ sqlite3OsClose(pPager->stfd); sqlite3_free(pPager->aInStmt); pPager->aInStmt = 0; } if( pPager->journalOpen ){ sqlite3OsClose(pPager->jfd); pPager->journalOpen = 0; sqlite3_free(pPager->aInJournal); pPager->aInJournal = 0; } pPager->stmtOpen = 0; pPager->stmtInUse = 0; pPager->journalOff = 0; pPager->journalStarted = 0; pPager->stmtAutoopen = 0; pPager->origDbSize = 0; ................................................................................ } if( !pPager->journalOpen ){ pPager->stmtAutoopen = 1; return SQLITE_OK; } assert( pPager->journalOpen ); pagerLeave(pPager); assert( pPager->aInStmt==0 ); pPager->aInStmt = sqlite3MallocZero( pPager->dbSize/8 + 1 ); pagerEnter(pPager); if( pPager->aInStmt==0 ){ /* sqlite3OsLock(pPager->fd, SHARED_LOCK); */ return SQLITE_NOMEM; } #ifndef NDEBUG |