X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Frun-program.lisp;h=b854e3109faf78fa1f20c52f79ff4d2f2877bb26;hb=0dda5090b6c16a641000b4eb2dcd479f39b784ca;hp=daebefececc054af3f29c39b275db704ca8c82a4;hpb=33b3b129c1c895c9583494dc75455f56c83ad748;p=sbcl.git

diff --git a/src/code/run-program.lisp b/src/code/run-program.lisp
index daebefe..b854e31 100644
--- a/src/code/run-program.lisp
+++ b/src/code/run-program.lisp
@@ -496,7 +496,7 @@ status slot."
         ;; Copy string.
         (sb-kernel:copy-ub8-to-system-area octets 0 string-sap 0 size)
         ;; NULL-terminate it
-        (setf (sap-ref-32 string-sap size) 0)
+        (sb-kernel:system-area-ub8-fill 0 string-sap size 4)
         ;; Put the pointer in the vector.
         (setf (sap-ref-sap vec-sap vec-index-offset) string-sap)
         ;; Advance string-sap for the next string.
@@ -773,7 +773,7 @@ Users Manual for details about the PROCESS structure."#-win32"
                                                   (if search 1 0)
                                                   environment-vec pty-name
                                                   (if wait 1 0))))
-                             (unless (= child -1)
+                             (unless (minusp child)
                                (setf proc
                                      (apply
                                       #'make-process
@@ -791,9 +791,15 @@ Users Manual for details about the PROCESS structure."#-win32"
                                                   (list :%status :running))))
                                (push proc *active-processes*)))))
                        ;; Report the error outside the lock.
-                       (when (= child -1)
-                         (error "couldn't fork child process: ~A"
-                                (strerror)))))))))
+                       #+win32
+                       (when (minusp child)
+                         (error "Couldn't execute ~S: ~A" progname (strerror)))
+                       #-win32
+                       (case child
+                         (-2
+                          (error "Couldn't execute ~S: ~A" progname (strerror)))
+                         (-1
+                          (error "Couldn't fork child process: ~A" (strerror))))))))))
         (dolist (fd *close-in-parent*)
           (sb-unix:unix-close fd))
         (unless proc