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Add emacs CC mode style for OpenSSL

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This hopefully conforms closely enough to the current code style.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit d9b3554b2d)
This commit is contained in:
Richard Levitte
2015-08-31 17:12:37 +02:00
committed by Richard Levitte
parent 9604f87590
commit ab3f51f4b0
1 changed files with 60 additions and 0 deletions
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doc/openssl-c-indent.el Normal file
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;;; This Emacs Lisp file defines a C indentation style for OpenSSL.
;;;
;;; This definition is for the "CC mode" package, which is the default
;;; mode for editing C source files in Emacs 20, not for the older
;;; c-mode.el (which was the default in less recent releaes of Emacs 19).
;;;
;;; Recommended use is to add this line in your .emacs:
;;;
;;; (load (expand-file-name "~/PATH/TO/openssl-c-indent.el"))
;;;
;;; To activate this indentation style, visit a C file, type
;;; M-x c-set-style <RET> (or C-c . for short), and enter "eay".
;;; To toggle the auto-newline feature of CC mode, type C-c C-a.
;;;
;;; If you're a OpenSSL developer, you might find it more comfortable
;;; to have this style be permanent in your OpenSSL development
;;; directory. To have that, please perform this:
;;;
;;; M-x add-dir-local-variable <RET> c-mode <RET> c-file-style <RET>
;;; "OpenSSL-II" <RET>
;;;
;;; A new buffer with .dir-locals.el will appear. Save it (C-x C-s).
;;;
;;; For suggesting improvements, please send e-mail to levitte@openssl.org.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Note, it could be easy to inherit from the "gnu" style... however,
;; one never knows if that style will change somewhere in the future,
;; so I've chosen to copy the "gnu" style values explicitely instead
;; and mark them with a comment. // RLevitte 2015-08-31
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(c-add-style "OpenSSL-II"
'((c-basic-offset . 4)
(indent-tabs-mode . nil)
(fill-column . 78)
(comment-column . 33)
(c-comment-only-line-offset 0 . 0) ; From "gnu" style
(c-hanging-braces-alist ; From "gnu" style
(substatement-open before after) ; From "gnu" style
(arglist-cont-nonempty)) ; From "gnu" style
(c-offsets-alist
(statement-block-intro . +) ; From "gnu" style
(knr-argdecl-intro . 0)
(knr-argdecl . 0)
(substatement-open . +) ; From "gnu" style
(substatement-label . 0) ; From "gnu" style
(label . 1)
(statement-case-open . +) ; From "gnu" style
(statement-cont . +) ; From "gnu" style
(arglist-intro . c-lineup-arglist-intro-after-paren) ; From "gnu" style
(arglist-close . c-lineup-arglist) ; From "gnu" style
(inline-open . 0) ; From "gnu" style
(brace-list-open . +) ; From "gnu" style
(topmost-intro-cont first c-lineup-topmost-intro-cont
c-lineup-gnu-DEFUN-intro-cont) ; From "gnu" style
)
(c-special-indent-hook . c-gnu-impose-minimum) ; From "gnu" style
(c-block-comment-prefix . "* ")
))