Commit 0acbc6c6 authored by Teemu Likonen's avatar Teemu Likonen Committed by Linus Torvalds

Documentation: update CodingStyle tips for Emacs users

With the previous Emacs tips example the kernel style was made available
for files in the kernel-tree only. This patch updates the tip to add a
separate cc-mode indent style ("linux-tabs-only"). This makes it easy to
switch between different indent styles and also makes the kernel style
easily available for any filetype mode (c++, awk, ...) that is managed
by the Emacs cc-mode.
Signed-off-by: default avatarTeemu Likonen <tlikonen@iki.fi>
Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5872fb94
...@@ -483,6 +483,16 @@ values. To do the latter, you can stick the following in your .emacs file: ...@@ -483,6 +483,16 @@ values. To do the latter, you can stick the following in your .emacs file:
(* (max steps 1) (* (max steps 1)
c-basic-offset))) c-basic-offset)))
(add-hook 'c-mode-common-hook
(lambda ()
;; Add kernel style
(c-add-style
"linux-tabs-only"
'("linux" (c-offsets-alist
(arglist-cont-nonempty
c-lineup-gcc-asm-reg
c-lineup-arglist-tabs-only))))))
(add-hook 'c-mode-hook (add-hook 'c-mode-hook
(lambda () (lambda ()
(let ((filename (buffer-file-name))) (let ((filename (buffer-file-name)))
...@@ -490,10 +500,7 @@ values. To do the latter, you can stick the following in your .emacs file: ...@@ -490,10 +500,7 @@ values. To do the latter, you can stick the following in your .emacs file:
(when (and filename (when (and filename
(string-match "~/src/linux-trees" filename)) (string-match "~/src/linux-trees" filename))
(setq indent-tabs-mode t) (setq indent-tabs-mode t)
(c-set-style "linux") (c-set-style "linux-tabs-only")))))
(c-set-offset 'arglist-cont-nonempty
'(c-lineup-gcc-asm-reg
c-lineup-arglist-tabs-only))))))
This will make emacs go better with the kernel coding style for C This will make emacs go better with the kernel coding style for C
files below ~/src/linux-trees. files below ~/src/linux-trees.
......
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