Method UpdateName

source/script_menu.cpp:818–844

ResultType UserMenu::UpdateName(UserMenuItem *aMenuItem, LPTSTR aNewName)
// Caller should already have ensured that aMenuItem is not too long.
{
	size_t new_length = _tcslen(aNewName);
	if (new_length)
	{
		if (new_length >= aMenuItem->mNameCapacity) // Too small, so reallocate.
		{
			// Use a temp var. so that mName will never wind up being NULL (relied on by other things).
			// This also retains the original menu name if the allocation fails:
			LPTSTR temp = tmalloc(new_length + 1);  // +1 for terminator.
			if (!temp)
				return FAIL;
			// Otherwise:
			if (aMenuItem->mName != Var::sEmptyString) // Since it was previously allocated, free it.
				free(aMenuItem->mName);
			aMenuItem->mName = temp;
			aMenuItem->mNameCapacity = new_length + 1;
		}
		_tcscpy(aMenuItem->mName, aNewName);
	}
	else // It will become a separator.
	{
		*aMenuItem->mName = '\0'; // Safe because even if it's capacity is 1 byte, it's a writable byte.
	}
	return OK;
}