Function posix_memalign

library/cpp/balloc/balloc.cpp:120–145

}

int posix_memalign(void** memptr, const size_t alignment, const size_t size) {
#if defined(Y_COVER_PTR)
    (void)alignment;
    *memptr = malloc(size);
    return 0;
#else
    if (((alignment - 1) & alignment) != 0 || alignment < sizeof(void*)) {
        return EINVAL;
    }
    if (alignment <= NBalloc::MINIMAL_ALIGNMENT) {
        *memptr = NBalloc::Malloc(size);
        return 0;
    }
    size_t bigSize = size + alignment - NBalloc::MINIMAL_ALIGNMENT;
    void* res = NBalloc::Malloc(bigSize);
    void* alignedPtr = (void*)NBalloc::Align((size_t)res, alignment);
    if (alignedPtr != res) {
        auto oldAllocHeader = (NBalloc::TAllocHeader*)res - 1;
        auto newAllocHeader = (NBalloc::TAllocHeader*)alignedPtr - 1;
        void* block = oldAllocHeader->Block;
        newAllocHeader->Encode(block, size, NBalloc::ALIVE_SIGNATURE);
    }
    *memptr = alignedPtr;
    return 0;
#endif
}

void* operator new(size_t size, const std::nothrow_t&) OP_THROWNOTHING {
#if defined(Y_COVER_PTR)