Re: [Mesa3d-dev] Re: [Mesa3d-cvs] CVS Update: Mesa (branch: trunk)

[Gareth H. <ga...@va...>]

Keith Whitwell wrote:
> 
> Brian Paul wrote:
> >
> 
> > Log message:
> >   used indent to clean-up the code
> 
> Hooray!

Speaking of whitespace cleanups, I like having this in my .emacs file:

(defun gth-rm-trailing-spaces ()
  "Remove trailing whitespace from all lines in the current buffer."
  (interactive)
  (if (or (eq major-mode 'c-mode)
	  (eq major-mode 'asm-mode)
	  (eq major-mode 'makefile-mode))
      (progn
	(message "removing trailing whitespace...")
	(save-excursion
	  (goto-char (point-min))
	  (while (re-search-forward "[ \t]+$" nil t)
	    (delete-region (match-beginning 0)
			   (save-excursion
			     (end-of-line)
			     (point))))))))

(defun gth-rm-trailing-blank-lines ()
  "Remove trailing blank lines from the current buffer."
  (interactive)
  (if (or (eq major-mode 'c-mode)
	  (eq major-mode 'asm-mode)
	  (eq major-mode 'makefile-mode))
      (progn
	(message "removing extra lines at end of file...")
	(save-excursion
	  (goto-char (point-max))
	  (while (and (eq 0 (forward-line -1))
		      (looking-at "^[ \t]*$")))
	  (delete-matching-lines "^[ \t]*$")))))

(add-hook 'write-file-hooks 'gth-rm-trailing-spaces)
(add-hook 'write-file-hooks 'gth-rm-trailing-blank-lines)

Every time you save, it strips trailing whitespace and trailing blank
lines from the file.

-- Gareth