nullable: convert lib, tools and tests

[nit.git] / lib / standard / exec.nit

diff --git a/lib/standard/exec.nit b/lib/standard/exec.nit
index c98a39c..0bc9783 100644 (file)
--- 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