[PATCH] stdlib: Implement C2Y uabs, ulabs, ullabs and uimaxabs

[Paul Eggert]

On 3/6/25 14:06, Andrew Pinski wrote:
> > On Thu, Mar 6, 2025 at 11:27 AM Lenard Mollenkopf ... wrote:
>> +unsigned int
>> +uabs (int i)
>> +{
>> +  if (i < 0){
>> +    unsigned int j;
>> +    __builtin_mul_overflow (i, -1, &j);
> Why not just do:
> ```
> unsigned int j = i;
> return -j;
> ```
> ? Why call __builtin_mul_overflow here?

I expect that's because N3349 did it that way - maybe for portability to 
unusual platforms where INT_MAX != UINT_MAX/2? Not sure whether glibc 
needs to worry about those platforms.

Anyway, regardless of the implementation, the indenting should use glibc 
style.