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Re: do { .... } while 0;

From: "Naveen Sharma, Noida" <naveens at noida dot hcltech dot com>
To: Andrew Haley <aph at cambridge dot redhat dot com>
Cc: Erwin Ingris <erwiningris at yahoo dot com dot au>, gcc at gcc dot gnu dot org
Date: Fri, 12 Jul 2002 17:21:57 +0000
Subject: Re: do { .... } while 0;
References: <20020712113507.59244.qmail@web40305.mail.yahoo.com> <15662.49344.156255.89012@cuddles.cambridge.redhat.com>

Ah! Silly me !!
Happens sometime :)

Thanks !!

Andrew Haley wrote:
> 
> Try:
> 
> #define FOO(C)                                  \
> {                                               \
>   return C;                                     \
> }
> 
> #define FOO(C)                                  \
> do                                              \
> {                                               \
>   return C;                                     \
> }                                               \
> while (0)
> 
> extern int a, b, c;
> int main ()
> {
>   if (a = b)
>     FOO(c);
>   else
>     return a;
> }
> 
> with both versions of FOO.
> 
> Andrew.

References:
- do { .... } while 0;
  - From: Erwin Ingris
- do { .... } while 0;
  - From: Andrew Haley

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