Re: [3/5] secur32: Basic implementation of schannel AcquireCredentialsHandle/FreeCredentialsHandle

[Rob Shearman]

2008/9/22 Henri Verbeet :
> +static ULONG_PTR schan_alloc_handle(void *object, enum schan_handle_type type)
> +{
> - struct schan_handle *handle;
> -
> - if (schan_free_handles)
> - {
> -
>    /* Use a free handle */
> -
>    handle = schan_free_handles;
> -
>    if (handle->type != SCHAN_HANDLE_FREE)
> -
>    {
> -
>        ERR("Handle %d(%p) is in the free list, but has type %#x.\n", (handle-schan_handle_table), handle, handle->type);
> -
>        return -1;
> -
>    }

Using a signed constant for an unsigned value isn't good practice. I'd
recommend defining a constant at the top of the file like so:
#define SCHANNEL_INVALID_HANDLE ~0UL

And then using that everywhere that you use -1 now.