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Overview
| Comment: | Omit some code that is not used when SQLITE_SECURE_DELETE is defined. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
5a9e746357aa8edeef6b89f01e19cd57 |
| User & Date: | drh 2009-11-10 01:12:51 |
Context
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2009-11-10
| ||
| 01:13 | Remove from the TCL interface some old code associated with sqlite3_analyzer. check-in: 01f2271e user: drh tags: trunk | |
| 01:12 | Omit some code that is not used when SQLITE_SECURE_DELETE is defined. check-in: 5a9e7463 user: drh tags: trunk | |
|
2009-11-06
| ||
| 17:20 | Improved shell "dot" command argument handling. Ticket [f12a9eeedc]. check-in: 9fb69919 user: shaneh tags: trunk | |
Changes
Changes to src/pager.c.
2869 2869 2870 2870 /* If there are dirty pages in the page cache with page numbers greater 2871 2871 ** than Pager.dbSize, this means sqlite3PagerTruncateImage() was called to 2872 2872 ** make the file smaller (presumably by auto-vacuum code). Do not write 2873 2873 ** any such pages to the file. 2874 2874 ** 2875 2875 ** Also, do not write out any page that has the PGHDR_DONT_WRITE flag 2876 - ** set (set by sqlite3PagerDontWrite()). 2876 + ** set (set by sqlite3PagerDontWrite()). Note that if compiled with 2877 + ** SQLITE_SECURE_DELETE the PGHDR_DONT_WRITE bit is never set and so 2878 + ** the second test is always true. 2877 2879 */ 2878 2880 if( pgno<=pPager->dbSize && 0==(pList->flags&PGHDR_DONT_WRITE) ){ 2879 2881 i64 offset = (pgno-1)*(i64)pPager->pageSize; /* Offset to write */ 2880 2882 char *pData; /* Data to write */ 2881 2883 2882 2884 /* Encode the database */ 2883 2885 CODEC2(pPager, pList->pData, pgno, 6, return SQLITE_NOMEM, pData); ................................................................................ 4378 4380 */ 4379 4381 #ifndef NDEBUG 4380 4382 int sqlite3PagerIswriteable(DbPage *pPg){ 4381 4383 return pPg->flags&PGHDR_DIRTY; 4382 4384 } 4383 4385 #endif 4384 4386 4387 +#ifndef SQLITE_SECURE_DELETE 4385 4388 /* 4386 4389 ** A call to this routine tells the pager that it is not necessary to 4387 4390 ** write the information on page pPg back to the disk, even though 4388 4391 ** that page might be marked as dirty. This happens, for example, when 4389 4392 ** the page has been added as a leaf of the freelist and so its 4390 4393 ** content no longer matters. 4391 4394 ** ................................................................................ 4403 4406 IOTRACE(("CLEAN %p %d\n", pPager, pPg->pgno)) 4404 4407 pPg->flags |= PGHDR_DONT_WRITE; 4405 4408 #ifdef SQLITE_CHECK_PAGES 4406 4409 pPg->pageHash = pager_pagehash(pPg); 4407 4410 #endif 4408 4411 } 4409 4412 } 4413 +#endif /* !defined(SQLITE_SECURE_DELETE) */ 4410 4414 4411 4415 /* 4412 4416 ** This routine is called to increment the value of the database file 4413 4417 ** change-counter, stored as a 4-byte big-endian integer starting at 4414 4418 ** byte offset 24 of the pager file. 4415 4419 ** 4416 4420 ** If the isDirectMode flag is zero, then this is done by calling