func b8 set_clipboard(char* str)
{
    b8 result = false;
    b8 close = false;
    int len;
    char* locked;
    HGLOBAL mem;
    HGLOBAL temp;

    if(!OpenClipboard(null)) { goto clipboard_end; }
    close = true;
    if(!EmptyClipboard()) { goto clipboard_end; }

    len = strleni(str);
    mem = GlobalAlloc(GMEM_MOVEABLE, len + 1);
    locked = (char*)GlobalLock(mem);
    memcpy(locked, str, len);
    locked[len] = 0;
    GlobalUnlock(mem);
    if(!SetClipboardData(CF_TEXT, mem)) { goto clipboard_end; }
    result = true;
    temp = GlobalFree(mem);
    assert(temp == null);

clipboard_end:
    if(close) { CloseClipboard(); }
    return result;
}