From: Juerg Billeter <j@bitron.ch>
Date: Sat, 27 Oct 2007 19:47:50 +0000 (+0000)
Subject: use pointer indirection to access length variable of out array parameters,
X-Git-Tag: VALA_0_1_5~51
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ef5ebab3ae3e34fb7019f5629de50b131de9525e;p=thirdparty%2Fvala.git

use pointer indirection to access length variable of out array parameters,

2007-10-27  Juerg Billeter  <j@bitron.ch>

	* gobject/valaccodegenerator.vala: use pointer indirection to access
	  length variable of out array parameters, fixes bug 480019

svn path=/trunk/; revision=670
---

diff --git a/ChangeLog b/ChangeLog
index 76ea5b71f..f8a7e7f7a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-10-27  Jürg Billeter  <j@bitron.ch>
+
+	* gobject/valaccodegenerator.vala: use pointer indirection to access
+	  length variable of out array parameters, fixes bug 480019
+
 2007-10-27  Jürg Billeter  <j@bitron.ch>
 
 	* ccode/Makefile.am, ccode/valaccodeenum.vala,
diff --git a/gobject/valaccodegenerator.vala b/gobject/valaccodegenerator.vala
index 34ea1f9d1..953c98d72 100644
--- a/gobject/valaccodegenerator.vala
+++ b/gobject/valaccodegenerator.vala
@@ -2066,8 +2066,13 @@ public class Vala.CCodeGenerator : CodeGenerator {
 			if (array_expr.symbol_reference is FormalParameter) {
 				var param = (FormalParameter) array_expr.symbol_reference;
 				if (!param.no_array_length) {
-					var length_expr = new CCodeIdentifier (get_array_length_cname (param.name, dim));
+					CCodeExpression length_expr = new CCodeIdentifier (get_array_length_cname (param.name, dim));
+					if (param.type_reference.is_out || param.type_reference.is_ref) {
+						// accessing argument of out/ref param
+						length_expr = new CCodeParenthesizedExpression (new CCodeUnaryExpression (CCodeUnaryOperator.POINTER_INDIRECTION, length_expr));
+					}
 					if (is_out) {
+						// passing array as out/ref
 						return new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, length_expr);
 					} else {
 						return length_expr;