Removed strcpy() call from most common case

Added test for hash index generation

ext/interbase/ibase_query.c

@@ -1504,8 +1504,8 @@ static void _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int fetch_type)
 	array_init(return_value);
 
 	for (i = 0; i < ib_result->out_sqlda->sqld; ++i) {
-		char alias[METADATALENGTH+4];
 		XSQLVAR *var = &ib_result->out_sqlda->sqlvar[i];
+		char buf[METADATALENGTH+4], *alias = var->aliasname;
 		
 		if (! (fetch_type & FETCH_ROW)) {
 			int i = 0;
@@ -1515,17 +1515,18 @@ static void _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int fetch_type)
 			* Ensure no two columns have identical names: 
 			* keep generating new names until we find one that is unique.
 			*/
-			switch (*var->aliasname) {
+			switch (*alias) {
 				void *p;
 				
 				default:
 					i = 1;
-					strcpy(alias, base = var->aliasname);
+					base = alias;
 					
-					while (SUCCESS == zend_symtable_find(Z_ARRVAL_P(return_value),alias,strlen(alias)+1,&p)) {
+					while (SUCCESS == zend_symtable_find(
+							Z_ARRVAL_P(return_value),alias,strlen(alias)+1,&p)) {
 				
 				case '\0':
-						sprintf(alias, "%s_%02d", base, i++);
+						sprintf(alias = buf, "%s_%02d", base, i++);
 					}
 			}
 		}

ext/interbase/tests/003.phpt

@@ -125,8 +125,59 @@ InterBase: misc sql types (may take a while)
         ibase_free_result($sel);
     } /* for($iter) */
 
+	/* check for correct handling of duplicate field names */
+	$q = ibase_query('SELECT 1 AS id, 2 AS id, 3 AS id, 4 AS id, 5 AS id, 6 AS id, 7 AS id, 8 AS id, 9 AS id,
+		10 AS id, 11 AS id, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 FROM rdb$database');
+	var_dump(ibase_fetch_assoc($q));
+	
     ibase_close();
     echo "end of test\n";
 ?>
 --EXPECT--
+array(22) {
+  ["ID"]=>
+  int(1)
+  ["ID_01"]=>
+  int(2)
+  ["ID_02"]=>
+  int(3)
+  ["ID_03"]=>
+  int(4)
+  ["ID_04"]=>
+  int(5)
+  ["ID_05"]=>
+  int(6)
+  ["ID_06"]=>
+  int(7)
+  ["ID_07"]=>
+  int(8)
+  ["ID_08"]=>
+  int(9)
+  ["ID_09"]=>
+  int(10)
+  ["ID_10"]=>
+  int(11)
+  ["FIELD_00"]=>
+  int(12)
+  ["FIELD_01"]=>
+  int(13)
+  ["FIELD_02"]=>
+  int(14)
+  ["FIELD_03"]=>
+  int(15)
+  ["FIELD_04"]=>
+  int(16)
+  ["FIELD_05"]=>
+  int(17)
+  ["FIELD_06"]=>
+  int(18)
+  ["FIELD_07"]=>
+  int(19)
+  ["FIELD_08"]=>
+  int(20)
+  ["FIELD_09"]=>
+  int(21)
+  ["FIELD_10"]=>
+  int(22)
+}
 end of test