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Re: How to auto set the c style while editing C file?


From: Lowell Gilbert
Subject: Re: How to auto set the c style while editing C file?
Date: Wed, 08 Dec 2010 15:10:06 -0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (berkeley-unix)

Water Lin <WaterLin@ymail.invalid> writes:

> I am using Emacs to edit for C/C++ code in some cases.
>
> But the default gnu style is not fit my requirement.
>
> 1. 
>
> I want to use stroustrup style as default.
>
> I tried to use following code in my .emacs:
> -----------
> (c-set-style "stroustrup")
>
> But Emacs will remind me that some files are not in C-mode.
>
> How can I enable stroustrup style automatically while I am using
> c-mode/c++-mode. 

(add-hook 'c-mode-common-hook
            (function (lambda ()
                            (c-set-style "gnu")))) ; gnu is default


> 2. 
>
> Another question, after I input one line code and use C-i to indent the
> code, Emacs will insert a TAB for me which is TAB-width 8.
>
> I want to set TAB-width as 4 and in this case I don't want Emacs to
> inset TAB automatically but insert 4 blackspaces instead.

Also in c-mode-common-hook:
 (setq indent-tabs-mode nil)
and probably
 (setq c-basic-offset 4) 

See the c-mode manual for more details on how this works and what else
you can set.


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