THEN
;
+\ A limit used to perform a sanity check on the size argument for
+\ RESIZE-FILE.
+2variable RESIZE-FILE-LIMIT
+10000000 0 resize-file-limit 2! \ 10MB is somewhat arbitrarily chosen
+
+: RESIZE-FILE ( ud fileid -- ior )
+ -rot 2dup resize-file-limit 2@ d> ( fileid ud big? )
+ IF
+ ." Argument (" 0 d.r ." ) is larger then RESIZE-FILE-LIMIT." cr
+ ." (You can increase RESIZE-FILE-LIMIT with 2!)" cr
+ abort
+ ELSE
+ rot (resize-file)
+ THEN
+;
+
: ( ( "comment<rparen>" -- )
source-id
CASE
\ a proper primitive. (OTOH, portable programs can't assume much
\ about FILE-STATUS and non-portable programs could create a custom
\ function for access(2).)
-: FILE-STATUS ( c-addr u -- x ior )
+: FILE-STATUS ( c-addr u -- 0 ior )
r/o bin open-file ( fileid ior1 )
?dup
- IF ( fileid ior1 )
+ IF nip 0 swap ( 0 ior1 )
ELSE close-file 0 swap ( 0 ior2 )
THEN
;