X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fpathname.lisp;h=1b221ff2477abf942bde2f34fe796281f847e3ac;hb=fbe6e22af842835f7c70309f4d48064ca3984ad0;hp=249872345186c974edcfe4266864cf504145eb7c;hpb=1c347eae5ec81b6f41db9d27c1fe6d34abe1d3ca;p=sbcl.git

diff --git a/src/code/pathname.lisp b/src/code/pathname.lisp
index 2498723..1b221ff 100644
--- a/src/code/pathname.lisp
+++ b/src/code/pathname.lisp
@@ -26,6 +26,7 @@
   (customary-case (required-argument) :type (member :upper :lower)))
 
 (def!struct (logical-host
+	     (:make-load-form-fun make-logical-host-load-form-fun)
 	     (:include host
 		       (:parse #'parse-logical-namestring)
 		       (:unparse #'unparse-logical-namestring)
@@ -44,6 +45,12 @@
   (print-unreadable-object (logical-host stream :type t)
     (prin1 (logical-host-name logical-host) stream)))
 
+;;; What would it mean to dump a logical host and reload it into
+;;; another Lisp image? It's not clear, so we don't support it.
+(defun make-logical-host-load-form-fun (logical-host)
+  (error "~@<A logical host can't be dumped as a constant: ~2I~_~S~:>"
+         logical-host))
+
 ;;; A PATTERN is a list of entries and wildcards used for pattern
 ;;; matches of translations.
 (sb!xc:defstruct (pattern (:constructor make-pattern (pieces)))
@@ -78,6 +85,12 @@
   ;; on standard Unix filesystems)
   (version nil :type (or integer pathname-component-tokens (member :newest))))
 
+;;; Return a value suitable, e.g., for preinitializing
+;;; *DEFAULT-PATHNAME-DEFAULTS* before *DEFAULT-PATHNAME-DEFAULTS* is
+;;; initialized (at which time we can't safely call e.g. #'PATHNAME).
+(defun make-trivial-default-pathname ()
+  (%make-pathname *unix-host* nil nil nil nil :newest))
+
 ;;; Logical pathnames have the following format:
 ;;;
 ;;; logical-namestring ::=