qsort_swap()

void fl::detail::qsort_swap	(	char *	a,
		char *	b,
		size_t	size )

Definition at line 330 of file cstdlib.cpp.hpp.

                                                     {
    if (a == b) return;
    constexpr size_t STACK_BUF_SIZE = 64;
    if (size <= STACK_BUF_SIZE) {
        char tmp[STACK_BUF_SIZE];
        memcpy(tmp, a, size);
        memcpy(a, b, size);
        memcpy(b, tmp, size);
    } else {
        for (size_t i = 0; i < size; ++i) {
            char t = a[i];
            a[i] = b[i];
            b[i] = t;
        }
    }
}

References fl::memcpy(), and fl::t.

Referenced by fl::qsort_insertion_sort(), and fl::qsort_partition().

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