X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=incore.lsp;h=658972a367292a3334169cc30d98507e80a189f8;hb=refs%2Fheads%2Fmaster;hp=6b0a02f5c73b82d0f834302140a67cd99e818894;hpb=4acfd2b1b741a8d7f0bf6500010e87d78fbc4776;p=rrq%2Fnewlisp%2Fpacknl.git

diff --git a/incore.lsp b/incore.lsp
index 6b0a02f..658972a 100644
--- a/incore.lsp
+++ b/incore.lsp
@@ -22,14 +22,18 @@
 ;; This is a hashmap of loaded files
 (new Tree 'archives)
 
-;; A copy of the executable
-(define core:core (read-file "/proc/self/exe"))
+;; A copy of the executable (file descriptor 3)
+(define core:core
+  (letn ((FD 3) (SZ (seek FD)) (BUFFER (dup "" SZ)))
+    (seek FD 0) (read FD BUFFER SZ) BUFFER))
+(map delete '(FD SZ BUFFER GNU GNU))
 
 (context 'archive)
-
 (setf main nil)
-
-(constant 'AR "/usr/bin/ar" 'TAR "/bin/tar" 'FILE "/usr/bin/file")
+(constant
+ 'AR "/usr/bin/ar"
+ 'TAR (exists file? '("/bin/tar" "/usr/bin/tar"))
+ 'FILE "/usr/bin/file" )
 
 (define (tar-able PATH)
   (when (file? FILE)
@@ -70,7 +74,7 @@
 
 ;; Discover and load an in-core archive by means of a marker row of 40
 ;; "x", and then a series of pathname\nsize\nbytes[size] members.
-(if (find (dup "x" 40) core nil 391704)
+(if (find (dup "x" 40) core nil 300000)
     (let ((P (+ $it 41))) ; skip marker and newline
       (constant 'incore P)
       (while (regex "([^\n]+)\n([^\n]+)\n" core 0 P)