$NetBSD: patch-ab,v 1.1 2010/09/10 06:02:58 taca Exp $

--- form_wrap.c.orig	2009-07-31 10:52:36.000000000 +0000
+++ form_wrap.c
@@ -618,12 +618,14 @@ static VALUE rbncurs_c_set_field_type(in
 		rb_raise(rb_eArgError, "TYPE_ENUM requires three additional arguments");
 	 }
     else {
+		VALUE v;
 		int n = rbncurs_array_length(arg3);
 		/*  Will ncurses free this array of strings in free_field()? */
 		char** list = ALLOC_N(char*, n+1);
 		int i;
 		for (i = 0; i < n; i++) {
-		  list[i] = STR2CSTR(rb_ary_entry(arg3, (long)i));
+		  v = rb_ary_entry(arg3, (long)i);
+		  list[i] = StringValuePtr(v);
 		}
 		list[n] = NULL;
 		return INT2NUM(set_field_type(field, ftype, 
@@ -652,7 +654,7 @@ static VALUE rbncurs_c_set_field_type(in
 	 if (argc != 2)
 		rb_raise(rb_eArgError, "TYPE_REGEXP requires one additional argument");
 	 return INT2NUM(set_field_type(field, ftype, 
-											 STR2CSTR(arg3)));
+											 StringValue(arg3)));
   }
   else if (ftype == TYPE_IPV4){	
 	 if (argc != 1)
@@ -740,7 +742,7 @@ static VALUE rbncurs_m_field_pad(VALUE d
  */
 static VALUE rbncurs_c_set_field_buffer(VALUE rb_field, VALUE buf, VALUE value) {
   FIELD* field = get_field(rb_field);
-  return INT2NUM(set_field_buffer(field, NUM2INT(buf), STR2CSTR(value)));
+  return INT2NUM(set_field_buffer(field, NUM2INT(buf), StringValuePtr(value)));
 }
 static VALUE rbncurs_m_set_field_buffer(VALUE dummy, VALUE rb_field, VALUE buf, VALUE value)
 { return rbncurs_c_set_field_buffer(rb_field, buf, value); }
@@ -1044,13 +1046,15 @@ static VALUE rbncurs_m_form_opts(VALUE d
  * form_requestname
  */
 static VALUE rbncurs_c_form_request_name(VALUE request) {
-  return rb_str_new2(form_request_name(NUM2INT(request)));
+  const char *s;
+  s = form_request_name(NUM2INT(request));
+  return rb_str_new2(s);
 }
 static VALUE rbncurs_m_form_request_name(VALUE dummy, VALUE request)
 { return rbncurs_c_form_request_name(request); }
 
 static VALUE rbncurs_c_form_request_by_name(VALUE name) {
-  return INT2NUM(form_request_by_name(STR2CSTR(name)));
+  return INT2NUM(form_request_by_name(StringValuePtr(name)));
 }
 static VALUE rbncurs_m_form_request_by_name(VALUE dummy, VALUE name)
 { return rbncurs_c_form_request_by_name(name); }