From 56934c148220f0c06916f0cadf5052a71e8e1541 Mon Sep 17 00:00:00 2001
From: rich <rich>
Date: Sun, 26 Oct 2003 12:57:11 +0000
Subject: [PATCH] Fixed undef handling.

---
 perl.ml  |  5 +++--
 perl_c.c | 10 +---------
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/perl.ml b/perl.ml
index 5812a61..6110c20 100644
--- a/perl.ml
+++ b/perl.ml
@@ -1,6 +1,6 @@
 (* Interface to Perl from OCaml.
  * Copyright (C) 2003 Merjis Ltd.
- * $Id: perl.ml,v 1.9 2003-10-26 11:22:38 rich Exp $
+ * $Id: perl.ml,v 1.10 2003-10-26 12:57:11 rich Exp $
  *)
 
 type t
@@ -41,7 +41,6 @@ external sv_of_float : float -> sv = "perl4caml_sv_of_float"
 external string_of_sv : sv -> string = "perl4caml_string_of_sv"
 external sv_of_string : string -> sv = "perl4caml_sv_of_string"
 external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
-external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
 external sv_undef : unit -> sv = "perl4caml_sv_undef"
 external sv_yes : unit -> sv = "perl4caml_sv_yes"
 external sv_no : unit -> sv = "perl4caml_sv_no"
@@ -64,6 +63,8 @@ type sv_t    = SVt_NULL
 	     | SVt_PVMG
 
 external sv_type : sv -> sv_t = "perl4caml_sv_type"
+let sv_is_undef sv =
+  SVt_NULL = sv_type sv
 
 let string_of_sv_t = function
     SVt_NULL  -> "SVt_NULL"
diff --git a/perl_c.c b/perl_c.c
index 29c9776..7f3bddd 100644
--- a/perl_c.c
+++ b/perl_c.c
@@ -1,6 +1,6 @@
 /* Interface to Perl from OCaml.
  * Copyright (C) 2003 Merjis Ltd.
- * $Id: perl_c.c,v 1.10 2003-10-26 12:10:23 rich Exp $
+ * $Id: perl_c.c,v 1.11 2003-10-26 12:57:11 rich Exp $
  */
 
 #include <stdio.h>
@@ -191,14 +191,6 @@ perl4caml_sv_is_true (value svv)
 }
 
 CAMLprim value
-perl4caml_sv_is_undef (value svv)
-{
-  CAMLparam1 (svv);
-  SV *sv = Sv_val (svv);
-  CAMLreturn (SvLEN (sv) == 0 ? Val_true : Val_false);
-}
-
-CAMLprim value
 perl4caml_sv_undef (value unit)
 {
   CAMLparam1 (unit);
-- 
1.8.3.1