static void copy_parameter_set(void **to, void **from, int count, int size)
{
    int i;
    for (i = 0; i < count; i++) {
        if (to[i] && !from[i])
            av_freep(&to[i]);
        else if (from[i] && !to[i])
            to[i] = av_malloc(size);
        if (from[i])
            memcpy(to[i], from[i], size);
    }
}
['static void copy_parameter_set(void **to, void **from, int count, int size)\n{\n    int i;\n    for (i = 0; i < count; i++) {\n        if (to[i] && !from[i])\n            av_freep(&to[i]);\n        else if (from[i] && !to[i])\n            to[i] = av_malloc(size);\n        if (from[i])\n            memcpy(to[i], from[i], size);\n    }\n}', 'void *av_malloc(size_t size)\n{\n    void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n    long diff;\n#endif\n    if (size > (INT_MAX - 32) || !size)\n        return NULL;\n#if CONFIG_MEMALIGN_HACK\n    ptr = malloc(size + 32);\n    if (!ptr)\n        return ptr;\n    diff              = ((-(long)ptr - 1) & 31) + 1;\n    ptr               = (char *)ptr + diff;\n    ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n    if (posix_memalign(&ptr, 32, size))\n        ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n    ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n    ptr = memalign(32, size);\n#else\n    ptr = malloc(size);\n#endif\n    return ptr;\n}']