(unless (subtypep (stream-element-type to) (stream-element-type from))
(error "Incompatible streams ~A and ~A." from to))
(let ((buf (make-array *stream-buffer-size*
- :element-type (stream-element-type from))))
+ :element-type (stream-element-type from))))
(loop
(let ((pos (read-sequence buf from)))
(when (zerop pos) (return))
(defvar *exec-header*
"#!/bin/sh --
-exec sbcl --noinform ~{~A ~}--eval \"(with-open-file (i \\\"$0\\\" :element-type '(unsigned-byte 8)) (read-line i) (read-line i) (load i) (quit))\" --end-toplevel-options ${1+\"$@\"}
+exec sbcl --noinform ~{~A ~}--eval \"(with-open-file (i \\\"$0\\\" :element-type '(unsigned-byte 8)) (loop while (< ret 2) when (= (read-byte i) 10) count 1 into ret) (load i) (funcall (quote ~A)) (quit))\" --end-toplevel-options ${1+\"$@\"}
")
(defun make-executable (output-file fasls
- &key (runtime-flags '("--disable-debugger"
- "--userinit /dev/null"
- "--sysinit /dev/null")))
+ &key (runtime-flags '("--disable-debugger"
+ "--userinit /dev/null"
+ "--sysinit /dev/null"))
+ initial-function)
"Write an executable called OUTPUT-FILE which can be run from the shell, by 'linking' together code from FASLS. Actually works by concatenating them and prepending a #! header"
- (with-open-file (out output-file :direction :output
- :element-type '(unsigned-byte 8))
+ (with-open-file (out output-file
+ :direction :output
+ :if-exists :supersede
+ :element-type '(unsigned-byte 8))
(write-sequence (map 'vector #'char-code
- (format nil *exec-header* runtime-flags)) out)
+ (format nil *exec-header* runtime-flags
+ (or initial-function 'values))) out)
(dolist (input-file (if (listp fasls) fasls (list fasls)))
(with-open-file (in (merge-pathnames input-file
- (make-pathname :type "fasl"))
- :element-type '(unsigned-byte 8))
- (copy-stream in out))))
- (let* ((out-name (namestring output-file))
- (prot (elt (multiple-value-list (sb-unix:unix-stat out-name)) 3)))
- (sb-unix::void-syscall ("chmod" c-string int)
- out-name
- (logior prot
- (if (logand prot #o400) #o100)
- (if (logand prot #o40) #o10)
- (if (logand prot #o4) #o1)))))
-
-
\ No newline at end of file
+ (make-pathname :type "fasl"))
+ :element-type '(unsigned-byte 8))
+ (copy-stream in out))))
+ (let* (;; FIXME: use OUT as the pathname designator
+ (out-name (namestring (translate-logical-pathname output-file)))
+ (prot (elt (multiple-value-list (sb-unix:unix-stat out-name)) 3)))
+ (if prot
+ (sb-unix::void-syscall ("chmod" c-string int)
+ out-name
+ (logior prot
+ (if (logand prot #o400) #o100)
+ (if (logand prot #o40) #o10)
+ (if (logand prot #o4) #o1)))
+ (error "stat() call failed"))))
+
+(provide 'sb-executable)