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Overview
| Comment: | Add a comment to the pageReinit() routine explaining why the return code from sqlite3BtreeInitPage() is ignored. Comment change only - no changes to code. (CVS 6412) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 10f605be8c92ff94625a0da0e23b2ffd55ec7509 |
| User & Date: | drh 2009-03-30 17:19:48 |
Context
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2009-03-30
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| 18:50 | Fix a case where a pointer map page was not being journalled before a file truncation that occurs as part of an incremental vacuum. (CVS 6413) check-in: c5890935 user: danielk1977 tags: trunk | |
| 17:19 | Add a comment to the pageReinit() routine explaining why the return code from sqlite3BtreeInitPage() is ignored. Comment change only - no changes to code. (CVS 6412) check-in: 10f605be user: drh tags: trunk | |
| 13:53 | Modify integrity-check to prevent a buffer overread when dealing with a corrupted database. (CVS 6411) check-in: 3c9097f1 user: danielk1977 tags: trunk | |
Changes
Changes to src/btree.c.
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.580 2009/03/30 13:53:43 danielk1977 Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** See the header comment on "btreeInt.h" for additional information. ** Including a description of file format and an overview of operation. */ #include "btreeInt.h" ................................................................................ static void pageReinit(DbPage *pData){ MemPage *pPage; pPage = (MemPage *)sqlite3PagerGetExtra(pData); if( pPage->isInit ){ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); pPage->isInit = 0; if( sqlite3PagerPageRefcount(pData)>0 ){ sqlite3BtreeInitPage(pPage); } } } /* ** Invoke the busy handler for a btree. |
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.581 2009/03/30 17:19:48 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** See the header comment on "btreeInt.h" for additional information. ** Including a description of file format and an overview of operation. */ #include "btreeInt.h" ................................................................................ static void pageReinit(DbPage *pData){ MemPage *pPage; pPage = (MemPage *)sqlite3PagerGetExtra(pData); if( pPage->isInit ){ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); pPage->isInit = 0; if( sqlite3PagerPageRefcount(pData)>0 ){ /* pPage might not be a btree page; it might be an overflow page ** or ptrmap page or a free page. In those cases, the following ** call to sqlite3BtreeInitPage() will likely return SQLITE_CORRUPT. ** But no harm is done by this. And it is very important that ** sqlite3BtreeInitPage() be called on every btree page so we make ** the call for every page that comes in for re-initing. */ sqlite3BtreeInitPage(pPage); } } } /* ** Invoke the busy handler for a btree. |