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From: Bonita Montero <Bonita.Montero@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: realloc() - frequency, conditions, or experiences about
 relocation?
Date: Mon, 24 Jun 2024 21:48:16 +0200
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Am 24.06.2024 um 21:33 schrieb Chris M. Thomasson:
> On 6/24/2024 4:40 AM, David Brown wrote:
>> On 24/06/2024 11:55, Keith Thompson wrote:
>>
>>> Something else that occurs to me: If a shrinking realloc() never fails
>>> in practice, then any code you write to handle a failure won't be
>>> tested.
>>>
>>
>> That is always a problem with allocation functions.  Have you ever 
>> known a non-pathological malloc() to fail?
>>
>> I think, in fact, there's a good argument for ignoring the possibility 
>> of malloc (and calloc and realloc) failures for most PC code.  There 
>> is virtually no chance of failure in reality, and if you get one, 
>> there is almost never a sensible way to deal with it - 
> [...]
> 
> I have had to deal and roll with malloc failures. It put the server in 
> panic mode and it started killing connections that were already timed 
> out, dumping some caches (freelists of regions, ect), ect... There is a 
> way to recover.
> 

There are applications where you can ignore malloc()-failures /
bad_alloc since they only allocate a small amount of memory or
a lot of small allocations which sum up to a small amount of
memory.