[sql] Import SQLite 3.17.0.

third_party/sqlite/src/src/test_onefile.c

 /*
 ** 2007 September 14
 **
 ** 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 490 matching lines @@
 */
 static int fsSync(sqlite3_file *pFile, int flags){
   fs_file *p = (fs_file *)pFile;
   fs_real_file *pReal = p->pReal;
   sqlite3_file *pRealFile = pReal->pFile;
   int rc = SQLITE_OK;
 
   if( p->eType==DATABASE_FILE ){
     unsigned char zSize[4];
     zSize[0] = (pReal->nDatabase&0xFF000000)>>24;
-    zSize[1] = (pReal->nDatabase&0x00FF0000)>>16;
+    zSize[1] = (unsigned char)((pReal->nDatabase&0x00FF0000)>>16);
     zSize[2] = (pReal->nDatabase&0x0000FF00)>>8;
     zSize[3] = (pReal->nDatabase&0x000000FF);
     rc = pRealFile->pMethods->xWrite(pRealFile, zSize, 4, 0);
   }
   if( rc==SQLITE_OK ){
     rc = pRealFile->pMethods->xSync(pRealFile, flags&(~SQLITE_SYNC_DATAONLY));
   }
 
   return rc;
 }
@@ skipping 299 matching lines @@
   if( fs_vfs.pParent ) return SQLITE_OK;
   fs_vfs.pParent = sqlite3_vfs_find(0);
   fs_vfs.base.mxPathname = fs_vfs.pParent->mxPathname;
   fs_vfs.base.szOsFile = MAX(sizeof(tmp_file), sizeof(fs_file));
   return sqlite3_vfs_register(&fs_vfs.base, 0);
 }
 
 #ifdef SQLITE_TEST
   int SqlitetestOnefile_Init() {return fs_register();}
 #endif