- (let ((beg (point)))
- (if (zerop (call-process dired-free-space-program nil t nil
- dired-free-space-args
- (expand-file-name dir-or-list)))
- (progn
- (goto-char beg)
- (forward-line 1)
- (skip-chars-forward "^ \t")
- (forward-word 2)
- (skip-chars-forward " \t")
- (delete-region beg (point))
- (forward-word 1)
- (delete-region (point)
- (progn (forward-line 1) (point))))
- ;; The dired-free-space-program failed; delete its output
- (delete-region (- beg 7) (point))))))))
+ ;; Non-Posix systems don't always have dired-free-space-program,
+ ;; but might have an equivalent system call.
+ (if (fboundp 'file-system-info)
+ (insert
+ (format "%.0f"
+ (/ (nth 2 (file-system-info dir-or-list)) 1024)))
+ (let ((beg (point)))
+ (condition-case nil
+ (if (zerop (call-process dired-free-space-program nil t nil
+ dired-free-space-args
+ (expand-file-name dir-or-list)))
+ (progn
+ (goto-char beg)
+ (forward-line 1)
+ (skip-chars-forward "^ \t")
+ (forward-word 2)
+ (skip-chars-forward " \t")
+ (delete-region beg (point))
+ (forward-word 1)
+ (delete-region (point)
+ (progn (forward-line 1) (point))))
+ ;; The dired-free-space-program failed; delete its output
+ (delete-region (- beg 7) (point)))
+ (error (delete-region (- beg 7) (point))))))))))