Remove unused code. Test coverage enhancements. Modify the algorithm used

to select column names for VIEWs of joins so that the constructed column
names omits the underlying table names. (CVS 5386)

FossilOrigin-Name: 636cd723296a8b1709011fdd99b236ffddf3f1b0

src/util.c

@@ -14,7 +14,7 @@
 ** This file contains functions for allocating memory, comparing
 ** strings, and stuff like that.
 **
-** $Id: util.c,v 1.235 2008/07/09 13:28:54 drh Exp $
+** $Id: util.c,v 1.236 2008/07/10 00:32:42 drh Exp $
 */
 #include "sqliteInt.h"
 #include <stdarg.h>
@@ -937,6 +937,7 @@ int sqlite3SafetyCheckSickOrOk(sqlite3 *db){
   return 1;
 }
 
+#ifndef SQLITE_COVERAGE_TEST
 /*
 ** Report a failsafe() macro failure
 */
@@ -950,3 +951,4 @@ void sqlite3Failsafe(int iCode){
   */
   assert( iCode==0 );   /* Always fails if assert() is enabled */
 }
+#endif