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Overview
| Comment: | Add ALWAYS() macros in wal.c to cover branches that are no longer reachable following the pager refactoring. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
24f24c927c77bb3bb4d26a23dd5d94f9 |
| User & Date: | drh 2010-08-16 14:18:00 |
Context
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2010-08-16
| ||
| 16:31 | Fix a typo in a comment in wal.c. No code changes. check-in: d854a3d4 user: drh tags: trunk | |
| 14:18 | Add ALWAYS() macros in wal.c to cover branches that are no longer reachable following the pager refactoring. check-in: 24f24c92 user: drh tags: trunk | |
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2010-08-14
| ||
| 21:21 | Adjustments for better 64K page size handling. check-in: faf1974e user: drh tags: trunk | |
Changes
Changes to src/wal.c.
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}
/*
** Return the size of the database in pages (or zero, if unknown).
*/
Pgno sqlite3WalDbsize(Wal *pWal){
if( pWal && pWal->readLock>=0 ){
return pWal->hdr.nPage;
}
return 0;
}
/*
................................................................................
** returned to the caller.
**
** Otherwise, if the callback function does not return an error, this
** function returns SQLITE_OK.
*/
int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *pUndoCtx){
int rc = SQLITE_OK;
if( pWal->writeLock ){
Pgno iMax = pWal->hdr.mxFrame;
Pgno iFrame;
/* Restore the clients cache of the wal-index header to the state it
** was in before the client began writing to the database.
*/
memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr));
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}
/*
** Return the size of the database in pages (or zero, if unknown).
*/
Pgno sqlite3WalDbsize(Wal *pWal){
if( pWal && ALWAYS(pWal->readLock>=0) ){
return pWal->hdr.nPage;
}
return 0;
}
/*
................................................................................
** returned to the caller.
**
** Otherwise, if the callback function does not return an error, this
** function returns SQLITE_OK.
*/
int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *pUndoCtx){
int rc = SQLITE_OK;
if( ALWAYS(pWal->writeLock) ){
Pgno iMax = pWal->hdr.mxFrame;
Pgno iFrame;
/* Restore the clients cache of the wal-index header to the state it
** was in before the client began writing to the database.
*/
memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr));
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