math: raise flags in log2l.c on <= 0 arguments, and fix volatile

[oweals/musl.git] / src / malloc / __brk.c

#include <stdint.h>
#include "syscall.h"

uintptr_t __brk(uintptr_t newbrk)
{
        return syscall(SYS_brk, newbrk);
}