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Re: setting emacs variables

From: Olivier Pierrat
Subject: Re: setting emacs variables
Date: Mon, 08 Oct 2001 23:57:33 +0200
User-agent: Mozilla/5.0 (X11; U; Linux 2.2.19 i686; en-US; rv:0.9.1) Gecko/20010621

Gerald A Winters wrote:

I am a C-programmer and am using v20.7.  I would like to
change the default indentation level from "2" to "4" when
in C-mode. I have a couple manuals and both indicate to change the emacs varibale "c-indent-level". However, neither
of these works in my .emacs file:

(setq c-indent-level 4)
(setq-default c-indent-level 4)

I would be *very* grateful if someone can suggest a solution.


Help-gnu-emacs mailing list

Emacs uses the cc-mode to fontify C files, and to indent to. Indentation is based on the tab-width variable, which can be redifined for each mode. The C structure's indentation is related to c-basic-offset variable and an offset from. In order to have more precise informations try M-x hell RET i RET C-s 'CC mode' or try this in your .emacs file :

  (setq tab-width 4)
  ;; this will make sure spaces are used instead of tabs
  (setq indent-tabs-mode nil)
  (setq c-tab-always-indent t)

  ;; Highlight matching parantheses
  (show-paren-mode 1)

  ;; indentation
  ;; For more information : M-x info cc-mode
(setq c-comment-only-line-offset 0);; -1000 to have it at the beginning of the line (setq c-basic-offset 3);; general value for indentation on wich every arg of the
  ;; c-set-offset will be based on
  ;; + mean c-basic-offset*1
  (c-set-offset   'arglist-close        0);; 0 mean c-basic-offset*0
  (c-set-offset   'arglist-intro       '+);; function parameters
(c-set-offset 'substatement-open 0);; indentation of braces for if, for, while (c-set-offset 'substatement '+);; indentation of a statement (each line of a function) (c-set-offset 'case-label '+);; indentation for the label in a switch-case structure (c-set-offset 'defun-block-intro '+);; indentation of variable def for a function (no tab)

(c-set-offset 'statement 0);; indentation of the function's body (the first line
  ;; starts at this point)

The wright way to do this is to mak a new hook for the c-mode.
Olivier PIERRAT                   Tel.   : +33 (0) 03 90 40 00 00
ALPLOG                            Port.  : +33 (0) 06 76 41 16 00
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