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From: Pancho <Pancho.Jones@proton.me>
Newsgroups: comp.os.linux.misc
Subject: Re: Joy of this, Joy of that
Date: Sat, 23 Nov 2024 09:10:01 +0000
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On 11/23/24 07:09, Charlie Gibbs wrote:
> On 2024-11-22, Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> 
>> On Fri, 22 Nov 2024 18:53:28 GMT, Charlie Gibbs wrote:
>>
>>> All my programs contain a routine called quit_cleanup(); it takes a
>>> single argument, which is either an error message or NULL.
>>> It frees all allocated memory, closes any open files, etc.
>>
>> But all that is unnecessary if your program is terminating anyway.
>>
>> In *nix C code, a common convention is
>>
>>      if («call failed»)
>>        {
>>          perror(«doing what»);
>>          exit(«nonzero error code»);
>>        } /*if*/
>>
>> <https://manpages.debian.org/3/perror.3.en.html>
> 
> Perhaps, but I'm a belt-and-suspenders guy - I like
> to explicitly free everything come hell or high water.
> 

I can see that is nice, to understand what you have, but it sounds like 
hard work.

However there are some resource you do need to explicitly 
free/release/close, some database locks for instance.