2 files changed, 26 insertions, 0 deletions
diff --git a/Objective-C/libobjcl.h b/Objective-C/libobjcl.h
index a912748..8b37609 100644
--- a/Objective-C/libobjcl.h
+++ b/Objective-C/libobjcl.h
@@ -94,3 +94,11 @@ objcl_object_get_meta_class (id obj);
 
 id
 objcl_get_nil (void);
+
+/* In principle, we do not know whether a BOOL fits into a long.  In
+   practise, it is very likely. */
+long
+objcl_get_yes ();
+
+long
+objcl_get_no ();
diff --git a/Objective-C/libobjcl.m b/Objective-C/libobjcl.m
index eaffb8c..15855ed 100644
--- a/Objective-C/libobjcl.m
+++ b/Objective-C/libobjcl.m
@@ -457,3 +457,21 @@ objcl_get_nil (void)
 {
   return nil;
 }
+
+
+long
+objcl_get_yes ()
+{
+  if (sizeof (YES) > sizeof (long))
+    fprintf (stderr, "WARNING: objcl_get_yes: YES might not fit into a long.\n");
+  return YES;
+}
+
+
+long
+objcl_get_no ()
+{
+  if (sizeof (NO) > sizeof (long))
+    fprintf (stderr, "WARNING: objcl_get_no: NO might not fit into a long.\n");
+  return NO;
+}