Add return NULL when needed

src/qli/compile.cpp

@@ -687,6 +687,7 @@ static QLI_NOD compile_expression( QLI_NOD node, QLI_REQ request, int internal_f
 
 	default:
 		BUGCHECK(359);			/* Msg359 compile_expression: not yet implemented */
+		return NULL;
 	}
 }
 
@@ -1392,6 +1393,7 @@ static QLI_NOD compile_statement( QLI_NOD node, QLI_REQ request, int internal_fl
 
 	default:
 		BUGCHECK(360);			/* Msg360 not yet implemented (compile_statement) */
+		return NULL;
 	}
 }
 
@@ -1695,6 +1697,7 @@ static int computable( QLI_NOD node, QLI_REQ request)
 
 	default:
 		BUGCHECK(361);			/* Msg361 computable: not yet implemented */
+		return NULL;
 	}
 }
 

src/qli/eval.cpp

@@ -197,6 +197,7 @@ int EVAL_boolean( QLI_NOD node)
 
 	default:
 		BUGCHECK(28);			/* Msg28 EVAL_boolean: not finished */
+		return NULL;
 	}
 }
 
@@ -570,6 +571,7 @@ DSC *EVAL_value(QLI_NOD node)
 
 	default:
 		BUGCHECK(29);			/* Msg29 EVAL_value: not finished */
+		return NULL;
 	}
 }
 

src/qli/exe.cpp

@@ -369,6 +369,7 @@ struct file *EXEC_open_output(QLI_NOD node)
 
 	IBERROR(37);				/* Msg37 ib_fdopen failed */
 #endif
+	return NULL;
 }
 
 
@@ -586,6 +587,7 @@ static DSC *assignment(	QLI_NOD		from_node,
 
 		QLI_reprompt = TRUE;
 		QLI_prompt_count = 0;
+		return NULL;
 	}
 }
 

src/qli/expand.cpp

@@ -1204,7 +1204,7 @@ static FRM expand_form( SYN input, QLI_REL relation)
 		return form;
 
 	ERRQ_print_error(145, string, database->dbb_filename, NULL, NULL, NULL);	/* Msg145 form is not defined in database */
-
+	return NULL;
 }
 
 

src/qli/parse.cpp

@@ -943,6 +943,7 @@ static SYN parse_copy(void)
 	}
 
 	ERRQ_print_error(157, QLI_token->tok_string, NULL, NULL, NULL, NULL);	/* Msg157 Expected PROCEDURE encountered %s */
+	return NULL;
 }
 
 
@@ -1159,6 +1160,7 @@ static SYN parse_define(void)
 		return parse_def_index();
 
 	SYNTAX_ERROR(169);			/* Msg169 object type for DEFINE */
+	return NULL;
 }
 
 
@@ -4558,6 +4560,7 @@ if (MATCH (KW_VIEW))
 ***/
 
 	SYNTAX_ERROR(386);			/* Msg386 object type for CREATE */
+	return NULL;
 }