Re: [2.1.90][PATCH] Cleaning up linux-2.1.90.
Adam J. Richter (adam@yggdrasil.com)
Wed, 18 Mar 1998 08:27:46 -0800
In article <350FE7FC.6923@ife.ee.ethz.ch> you write:
>Niels Kristian Bech Jensen wrote:
>>
>> On Wed, 18 Mar 1998, Thomas Sailer wrote:
>>
>> > > - exit(0);
>> > > + return(0);
>> >
>> > > - exit(0);
>> > > + return(0);
>> >
>> > Huh? What is that supposed to do? If exit(0) gives you warnings,
>> > either your compiler or your header files are broken.
>> >
>> int main() must return() something.
>> ^^^
>> The warnings was ``main() isn't type int'' (or something like that.)
>
>But in the case of exit the procedure end is never reached.
>If the prototype of exit is correctly marked as noreturn
>(extern void exit(int) __attribute__ ((noreturn));) then
>gcc won't barf.
>
>Tom
Even so, using return(0) will be more portable to other
compilers, so it is better to use return(0) anyhow.
--
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