+
+(defun string-maybe-shorten (str maxlen)
+ (let ((len (length str)))
+ (if (<= len maxlen)
+ str
+ (concatenate 'string (subseq str 0 (- maxlen 3)) "..."))))
+
+
+(defun shrink-vector (str size)
+ #+allegro
+ (excl::.primcall 'sys::shrink-svector str size)
+ #+sbcl
+ (sb-kernel:shrink-vector str size)
+ #+cmu
+ (lisp::shrink-vector str size)
+ #+lispworks
+ (system::shrink-vector$vector str size)
+ #+(or allegro cmu sbcl lispworks)
+ str
+ #-(or allegro cmu sbcl lispworks)
+ (subseq str 0 size))