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| author | dan <dan@noemail.net> | 2012-12-21 16:15:35 +0000 |
|---|---|---|
| committer | dan <dan@noemail.net> | 2012-12-21 16:15:35 +0000 |
| commit | 5cc3bea44ad2dc8008330934d7f8e65d4059b1fb (patch) | |
| tree | e9324e5436401418557db1547ead4a4dd8b051ea /src/backup.c | |
| parent | b2bb176b7043dab7a20e2eb535ec2e73e3f583fe (diff) | |
| download | sqlite-5cc3bea44ad2dc8008330934d7f8e65d4059b1fb.tar.gz sqlite-5cc3bea44ad2dc8008330934d7f8e65d4059b1fb.zip | |
Ensure the database size field in the db header of a backup database is set correctly. Fix for [0cfd98ee201].
FossilOrigin-Name: ff6857b6ed6a46671006b75157d8cf853a816ef9
Diffstat (limited to 'src/backup.c')
| -rw-r--r-- | src/backup.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/backup.c b/src/backup.c index b234716d6..d3614b88c 100644 --- a/src/backup.c +++ b/src/backup.c @@ -212,7 +212,12 @@ static int isFatalError(int rc){ ** page iSrcPg from the source database. Copy this data into the ** destination database. */ -static int backupOnePage(sqlite3_backup *p, Pgno iSrcPg, const u8 *zSrcData){ +static int backupOnePage( + sqlite3_backup *p, /* Backup handle */ + Pgno iSrcPg, /* Source database page to backup */ + const u8 *zSrcData, /* Source database page data */ + int bUpdate /* True for an update, false otherwise */ +){ Pager * const pDestPager = sqlite3BtreePager(p->pDest); const int nSrcPgsz = sqlite3BtreeGetPageSize(p->pSrc); int nDestPgsz = sqlite3BtreeGetPageSize(p->pDest); @@ -285,6 +290,9 @@ static int backupOnePage(sqlite3_backup *p, Pgno iSrcPg, const u8 *zSrcData){ */ memcpy(zOut, zIn, nCopy); ((u8 *)sqlite3PagerGetExtra(pDestPg))[0] = 0; + if( iOff==0 && bUpdate==0 ){ + sqlite3Put4byte(&zOut[28], sqlite3BtreeLastPage(p->pSrc)); + } } sqlite3PagerUnref(pDestPg); } @@ -391,7 +399,7 @@ int sqlite3_backup_step(sqlite3_backup *p, int nPage){ DbPage *pSrcPg; /* Source page object */ rc = sqlite3PagerGet(pSrcPager, iSrcPg, &pSrcPg); if( rc==SQLITE_OK ){ - rc = backupOnePage(p, iSrcPg, sqlite3PagerGetData(pSrcPg)); + rc = backupOnePage(p, iSrcPg, sqlite3PagerGetData(pSrcPg), 0); sqlite3PagerUnref(pSrcPg); } } @@ -639,7 +647,7 @@ void sqlite3BackupUpdate(sqlite3_backup *pBackup, Pgno iPage, const u8 *aData){ int rc; assert( p->pDestDb ); sqlite3_mutex_enter(p->pDestDb->mutex); - rc = backupOnePage(p, iPage, aData); + rc = backupOnePage(p, iPage, aData, 1); sqlite3_mutex_leave(p->pDestDb->mutex); assert( rc!=SQLITE_BUSY && rc!=SQLITE_LOCKED ); if( rc!=SQLITE_OK ){ |