X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/5568c760e5a2062815fc4b71735bc33383db88da..refs/heads/mdw/progfmt:/src/builtin.lisp

diff --git a/src/builtin.lisp b/src/builtin.lisp
index 08ad5f0..6310741 100644
--- a/src/builtin.lisp
+++ b/src/builtin.lisp
@@ -278,6 +278,16 @@ static const SodClass *const ~A__cpl[] = {
     list))
 
 (definst suppliedp-struct (stream) (flags var)
+  "Declare a `suppliedp' structure VAR containing a bit for each named FLAG.
+
+   The output looks like this:
+
+	struct {
+	  unsigned FLAG: 1;
+	  /* ... */
+	} VAR;
+
+   Note that this will not be valid C unless there is at least one flag."
   (format stream
 	  "~@<struct { ~2I~_~{unsigned ~A: 1;~^ ~_~} ~I~_} ~A;~:>"
 	  flags var))
@@ -434,7 +444,8 @@ static const SodClass *const ~A__cpl[] = {
 		    (dolist (initarg (reverse (remove-duplicates
 					       initargs
 					       :key #'sod-initarg-name
-					       :test #'string=)))
+					       :test #'string=
+					       :from-end t)))
 		      (let ((arg-name (sod-initarg-name initarg)))
 			(setf initinst (make-if-inst
 					(format nil "suppliedp.~A" arg-name)