From: Jürg Billeter <j@bitron.ch>
Date: Mon, 20 Sep 2010 18:04:32 +0000 (+0200)
Subject: Report error when using pointer arithmetic with void*
X-Git-Tag: 0.11.0~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=14235edbf8e66d5d1d130c3e02ef9067e64635c2;p=thirdparty%2Fvala.git

Report error when using pointer arithmetic with void*
---

diff --git a/vala/valabinaryexpression.vala b/vala/valabinaryexpression.vala
index ccbdf07d6..63a0c732b 100644
--- a/vala/valabinaryexpression.vala
+++ b/vala/valabinaryexpression.vala
@@ -316,6 +316,13 @@ public class Vala.BinaryExpression : Expression {
 			   || operator == BinaryOperator.DIV) {
 			// check for pointer arithmetic
 			if (left.value_type is PointerType) {
+				var pointer_type = (PointerType) left.value_type;
+				if (pointer_type.base_type is VoidType) {
+					error = true;
+					Report.error (source_reference, "Pointer arithmetic not supported for `void*'");
+					return false;
+				}
+
 				var offset_type = right.value_type.data_type as Struct;
 				if (offset_type != null && offset_type.is_integer_type ()) {
 					if (operator == BinaryOperator.PLUS