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Message-ID: <20140725141522.GB10402@port70.net>
Date: Fri, 25 Jul 2014 16:15:22 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: C11 threads
* Morten Welinder <mwelinder@...il.com> [2014-07-25 09:42:52 -0400]:
> > the musl math library currently defines distinct long double [...]
>
> You cannot compare a "double" function pointer to a "long double"
> function pointer. The types are incompatible, even if they have the
> same representation.
>
> Hence I don't believe a C program can even tell if they are the same.
>
conversion between incompatible function pointers is allowed
and i think == should work on converted pointers too:
void f(void) {}
void g(int x) {}
int h() {return f == (void(*)(void))g;}
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