[sql] Import reference version of SQLite 3.7.6.3.

third_party/sqlite/sqlite-src-3070603/src/pager.c

 /*
 ** 2001 September 15
 **
 ** The author disclaims copyright to this source code.  In place of
 ** 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.
 **
@@ skipping 5075 matching lines @@
 ** removed.
 */
 void sqlite3PagerUnref(DbPage *pPg){
   if( pPg ){
     Pager *pPager = pPg->pPager;
     sqlite3PcacheRelease(pPg);
     pagerUnlockIfUnused(pPager);
   }
 }
 
-#if defined(__APPLE__)
-/*
-** Create and return a CFURLRef given a cstring containing the path to a file.
-*/
-static CFURLRef create_cfurl_from_cstring(const char* filePath){
-  CFStringRef urlString = CFStringCreateWithFileSystemRepresentation(
-      kCFAllocatorDefault, filePath);
-  CFURLRef urlRef = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
-      urlString, kCFURLPOSIXPathStyle, FALSE);
-  CFRelease(urlString);
-  return urlRef;
-}
-#endif
-
 /*
 ** This function is called at the start of every write transaction.
 ** There must already be a RESERVED or EXCLUSIVE lock on the database 
 ** file when this routine is called.
 **
 ** Open the journal file for pager pPager and write a journal header
 ** to the start of it. If there are active savepoints, open the sub-journal
 ** as well. This function is only used when the journal file is being 
 ** opened to write a rollback log for a transaction. It is not used 
 ** when opening a hot journal file to roll it back.
@@ skipping 39 matching lines @@
             (SQLITE_OPEN_DELETEONCLOSE|SQLITE_OPEN_TEMP_JOURNAL):
             (SQLITE_OPEN_MAIN_JOURNAL)
           );
   #ifdef SQLITE_ENABLE_ATOMIC_WRITE
         rc = sqlite3JournalOpen(
             pVfs, pPager->zJournal, pPager->jfd, flags, jrnlBufferSize(pPager)
         );
   #else
         rc = sqlite3OsOpen(pVfs, pPager->zJournal, pPager->jfd, flags, 0);
   #endif
-#if defined(__APPLE__)
-        /* Set the TimeMachine exclusion metadata for the journal if it has
-        ** been set for the database. Only do this for unix-type vfs
-        ** implementations. */
-        if( rc==SQLITE_OK && pPager->zFilename!=NULL
-         && strlen(pPager->zFilename)>0
-         && strncmp(pVfs->zName, "unix", 4)==0
-         && ( pVfs->zName[4]=='-' || pVfs->zName[4]=='\0' ) ){
-          CFURLRef database = create_cfurl_from_cstring(pPager->zFilename);
-          if( CSBackupIsItemExcluded(database, NULL) ){
-            CFURLRef journal = create_cfurl_from_cstring(pPager->zJournal);
-            /* Ignore errors from the following exclusion call. */
-            CSBackupSetItemExcluded(journal, TRUE, FALSE);
-            CFRelease(journal);
-          }
-          CFRelease(database);
-        }
-#endif
       }
       assert( rc!=SQLITE_OK || isOpen(pPager->jfd) );
     }
   
   
     /* Write the first journal header to the journal file and open 
     ** the sub-journal if necessary.
     */
     if( rc==SQLITE_OK ){
       /* TODO: Check if all of these are really required. */
@@ skipping 1642 matching lines @@
 void *sqlite3PagerCodec(PgHdr *pPg){
   void *aData = 0;
   CODEC2(pPg->pPager, pPg->pData, pPg->pgno, 6, return 0, aData);
   return aData;
 }
 #endif /* SQLITE_HAS_CODEC */
 
 #endif /* !SQLITE_OMIT_WAL */
 
 #endif /* SQLITE_OMIT_DISKIO */