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From: BGB <cr88192@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: question about linker
Date: Tue, 26 Nov 2024 18:10:48 -0600
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On 11/26/2024 5:54 PM, fir wrote:
> BGB pisze:
>>    Drop stuff that is very rarely used:
>>      Such as C's bitfield declarations;
> 
> lol, bitfields very rarely used?
> they may be used rarely but they are very important and needed,
> whan you say have map of tiles, or big arrays of characters
> you need couple of soem bit-size flags in them and you dont want to 
> waste big memory on chars or do logical arithmetic on bytes
> 
> for sure you cant skip bitfields

Almost always, code will do something like:
  if(val&FLAG)
Or:
   r=(val>>10)&31;
   g=(val>> 5)&31;
   b=(val>> 0)&31;
....

But:
struct rbg555_s {
   uint16_t b:5;
   uint16_t g:5;
   uint16_t r:5;
   uint16_t t:1;
};
Not so much...