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From: Eric Schulte <eric.schulte@gmx.com>
To: Dov Grobgeld <dov.grobgeld@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: org-babel-C-ensure-main-wrap fails unless I add exit(0)
Date: Thu, 05 Apr 2012 10:56:18 -0400	[thread overview]
Message-ID: <87lima8bxp.fsf@gmx.com> (raw)
In-Reply-To: <CA++fsGExH_452iJ=UOeMQxCzha-sUGOJy4OKt5uwoV1DYFv43Q@mail.gmail.com> (Dov Grobgeld's message of "Thu, 5 Apr 2012 08:25:16 +0300")

Dov Grobgeld <dov.grobgeld@gmail.com> writes:

> Oops. I sawthat  I wrote "do not get any error" though I meant "do not get
> any resulting output".
>

Would this alternate version work (without requiring stdlib.h)?

(defun org-babel-C-ensure-main-wrap (body)
  "Wrap body in a \"main\" function call if none exists."
  (if (string-match "^[ \t]*[intvod]+[ \t\n\r]*main[ \t]*(.*)" body)
      body
    (format "int main() {\n%s\nreturn(0);\n}\n" body)))

Thanks,

>
> On Wed, Apr 4, 2012 at 11:13, Dov Grobgeld <dov.grobgeld@gmail.com> wrote:
>
>> When running a babel C session under Linux/gcc I do not get any error
>> unless I add exit(0) as part of the C-code snippet. For some to me not
>> understood reason my program exits with error code=4, which is caught by
>> org-babel-eval and the printed output is not inserted into my buffer . I
>> solved this by adding `#include <stdlib.h>` and `exit(0);` as part of
>> org-babel-C-ensure-main-wrap .
>>
>> Should I prepare this as patch?
>>
>> Regards,
>> Dov
>>
>>

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/

next prev parent reply	other threads:[~2012-04-05 16:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-04  8:13 org-babel-C-ensure-main-wrap fails unless I add exit(0) Dov Grobgeld
2012-04-05  5:25 ` Dov Grobgeld
2012-04-05 14:56   ` Eric Schulte [this message]
2012-04-05 18:07     ` Dov Grobgeld
2012-04-11  1:41       ` Eric Schulte

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