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Overview
| Comment: | Fix a memory leak in pager.c. (CVS 2151) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
0ad4ed87ce1112663ca94805dea16737 |
| User & Date: | drh 2004-11-24 01:16:43 |
Context
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2004-11-25
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| 13:50 | The configure script now automatically detects tclConfig.sh and builds the Tcl extension only if tclConfig.sh is present. The Tcl extension can be disabled using --disable-tcl. (CVS 2152) check-in: 12424bef user: drh tags: trunk | |
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2004-11-24
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| 01:16 | Fix a memory leak in pager.c. (CVS 2151) check-in: 0ad4ed87 user: drh tags: trunk | |
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2004-11-23
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| 22:16 | fulltest runs now, but still finds a memory leak. (CVS 2150) check-in: 5944d51e 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 1.178 2004/11/23 09:06:56 danielk1977 Exp $ */ #include "sqliteInt.h" #include "os.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ while( (zJournal-zMasterJournal)<nMasterJournal ){ if( sqlite3OsFileExists(zJournal) ){ /* One of the journals pointed to by the master journal exists. ** Open it and check if it points at the master journal. If ** so, return without deleting the master journal file. */ OsFile journal; memset(&journal, 0, sizeof(journal)); rc = sqlite3OsOpenReadOnly(zJournal, &journal); if( rc!=SQLITE_OK ){ goto delmaster_out; } rc = readMasterJournal(&journal, &zMasterPtr); sqlite3OsClose(&journal); if( rc!=SQLITE_OK ){ goto delmaster_out; } if( zMasterPtr && !strcmp(zMasterPtr, zMaster) ){ /* We have a match. Do not delete the master journal file. */ goto delmaster_out; } } zJournal += (strlen(zJournal)+1); } } |
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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 1.179 2004/11/24 01:16:43 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ while( (zJournal-zMasterJournal)<nMasterJournal ){ if( sqlite3OsFileExists(zJournal) ){ /* One of the journals pointed to by the master journal exists. ** Open it and check if it points at the master journal. If ** so, return without deleting the master journal file. */ OsFile journal; int c; memset(&journal, 0, sizeof(journal)); rc = sqlite3OsOpenReadOnly(zJournal, &journal); if( rc!=SQLITE_OK ){ goto delmaster_out; } rc = readMasterJournal(&journal, &zMasterPtr); sqlite3OsClose(&journal); if( rc!=SQLITE_OK ){ goto delmaster_out; } c = zMasterPtr!=0 && strcmp(zMasterPtr, zMaster)==0; sqliteFree(zMasterPtr); if( c ){ /* We have a match. Do not delete the master journal file. */ goto delmaster_out; } } zJournal += (strlen(zJournal)+1); } } |