X-Git-Url: http://nitlanguage.org?ds=inline

diff --git a/lib/standard/exec.nit b/lib/standard/exec.nit
index c98a39c..0bc9783 100644
--- a/lib/standard/exec.nit
+++ b/lib/standard/exec.nit
@@ -59,9 +59,9 @@ class Process
 	end
 
 	# Internal code to handle execusion
-	protected init execute(command: String, arguments: Array[String], pipeflags: Int)
+	protected init execute(command: String, arguments: nullable Array[String], pipeflags: Int)
 	do
-		var args = new String
+		var args = new Buffer
 		var l = 1 # Number of elements in args
 		args.append(command)
 		if arguments != null then
@@ -71,7 +71,7 @@ class Process
 			end
 			l += arguments.length
 		end
-		_data = basic_exec_execute(command.to_cstring, args.to_cstring, l, pipeflags)
+		_data = basic_exec_execute(command.to_cstring, args.to_s.to_cstring, l, pipeflags)
 	end
 	
 	attr _data: NativeProcess