From f4d1e1ff7ffde79e28aae7f3f8bbff3b6c9e8895 Mon Sep 17 00:00:00 2001 From: wlott <wlott> Date: Tue, 10 Mar 1992 15:06:59 +0000 Subject: [PATCH] Added SEARCH-LIST-DEFINED-P, a predicate that tells if the search list is currently defined. --- code/pathname.lisp | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/code/pathname.lisp b/code/pathname.lisp index a34fe6794..ce8f9a20f 100644 --- a/code/pathname.lisp +++ b/code/pathname.lisp @@ -6,7 +6,7 @@ ;;; Scott Fahlman or slisp-group@cs.cmu.edu. ;;; (ext:file-comment - "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/pathname.lisp,v 1.8 1992/02/24 00:52:13 wlott Exp $") + "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/pathname.lisp,v 1.9 1992/03/10 15:06:59 wlott Exp $") ;;; ;;; ********************************************************************** ;;; @@ -29,7 +29,8 @@ load-logical-pathname-translations *default-pathname-defaults*)) (in-package "EXTENSIONS") -(export '(search-list clear-search-list enumerate-search-list)) +(export '(search-list search-list-defined-p clear-search-list + enumerate-search-list)) (in-package "LISP") @@ -940,6 +941,15 @@ (search-list-expansions search-list)) (error "Search list ~S has not been defined yet." pathname))))) +;;; SEARCH-LIST-DEFINED-P -- public. +;;; +(defun search-list-defined-p (pathname) + "Returns T if the search-list starting PATHNAME is currently defined, and + NIL otherwise. An error is signaled if PATHNAME does not start with a + search-list." + (with-pathname (pathname pathname) + (search-list-defined (extract-search-list pathname t)))) + ;;; %SET-SEARCH-LIST -- public setf method ;;; ;;; Set the expansion for the search-list in PATHNAME. If this would result -- GitLab