Re: [Cppcms-users] Check space left on device before file upload

[<ele...@ex...>]

> 1) Check available disk space after client sent Content-Length header,
> decide whether to accept the request or not

I suppose, the header could be forged, just like content-type.

> 2) Notify the application code, that upload failed because of too less
> disk space (maybe one could do this via the existing infrastructure of
> invoking validate() on the upload form field's widget instance and
> adding another method that would return any occurred errors)

Please have a look at boost::filesystem::space_info as it should do the
trick.

Petr