rewrote arglist to argv conversion and added $@, $* support

tests/grub_script_functions.in

@@ -18,7 +18,7 @@
 
 echo parameter count
 function fcount {
-  echo "$#"
+  echo fcount "$#"
 }
 
 fcount
@@ -27,7 +27,7 @@ fcount a b
 
 echo parameter count, with nesting
 function ffcount {
-  echo "$#"
+  echo ffcount "$#"
   fcount
   fcount a
   fcount a b
@@ -39,9 +39,9 @@ ffcount 1 2
 
 echo parameters
 function fparam {
-  echo 1 $1
-  echo 2 $2
-  echo 3 $3
+  echo fparam 1 $1
+  echo fparam 2 $2
+  echo fparam 3 $3
 }
 
 fparam
@@ -50,9 +50,9 @@ fparam a b
 
 echo parameters, with nesting
 function ffparam {
-  echo 1 $1
-  echo 2 $2
-  echo 3 $3
+  echo ffparam 1 $1
+  echo ffparam 2 $2
+  echo ffparam 3 $3
   fparam
   fparam a
   fparam a b
@@ -61,3 +61,57 @@ function ffparam {
 ffparam
 ffparam 1
 ffparam 1 2
+
+echo parameter expansion with specials
+function fstar {
+  for f in $*
+  do
+    echo fstar $f
+  done
+}
+
+fstar
+fstar a
+fstar a "1 2"
+fstar a "1 2" b
+
+function fdqstar {
+  for f in "$*"
+  do
+    echo fdqstar $f
+  done
+}
+
+fdqstar
+fdqstar a
+fdqstar a "1 2"
+fdqstar a "1 2" b
+
+function fat {
+  for f in $@
+  do
+    echo fat $f
+  done
+}
+
+fat
+fat a
+fat a "1 2"
+fat a "1 2" b
+fat a "1 2" b "c d"
+fat a "1 2" b "c d" e
+
+function fdqat {
+  for f in "$@"
+  do
+    echo fdqat $f
+  done
+}
+
+# fdqat # this case needs special handling, lets ignore till we really need it.
+fdqat a
+fdqat a "1 2"
+fdqat a "1 2" b
+fdqat a "1 2" b "c d"
+fdqat a "1 2" b "c d" e
+