On Thursday 25 August 2005 10:11, Nicolas Le Goff wrote:
> Hi,
>
> I've updated my current project with the last curlpp available version, and
> my Visual C++ 7.1 throwed me a strange warning while compiling.
>
> It came with the "ConnectTimeout" option, but I think it could come from
> any other "long" option.
>

In the next version there's no cast.

> Let me print here the warning :
> ---------------------------------------------------------------------
> e:\SRC-DEV\_V2\include\curlpp\OptionSetter.inl(37) : warning C4312: 'type
> cast' : conversion from
> 'cURLpp::OptionSetter<OptionValueType,optionType>::ParamType' to 'void *'
> of greater size
> with
> [
> OptionValueType=long,
> optionType=CURLOPT_CONNECTTIMEOUT
> ]
> C:\Visual Studio .NET 2003\Vc7\include\vector(140) : while compiling
> class-template member function 'void
> cURLpp::OptionSetter<OptionValueType,optionType>::setOpt(cURLpp::CurlHandle
> *,cURLpp::OptionSetter<OptionValueType,optionType>::ParamType)'
> with
> [
> OptionValueType=long,
> optionType=CURLOPT_CONNECTTIMEOUT
> ]
> e:\SRC-DEV\_V2\include\curlpp\Option.inl(152) : see reference to class
> template instantiation 'cURLpp::OptionSetter<OptionValueType,optionType>'
> being compiled
> with
> [
> OptionValueType=long,
> optionType=CURLOPT_CONNECTTIMEOUT
> ]
> E:\SRC-DEV\_V2\include\boost\date_time\int_adapter.hpp(49) : while
> compiling class-template member function 'void
> cURLpp::OptionTrait<OptionType,option>::updateHandleToMe(cURLpp::CurlHandle
> *) const'
> with
> [
> OptionType=long,
> option=CURLOPT_CONNECTTIMEOUT
> ]
> CWebSeed.cpp(348) : see reference to class template instantiation
> 'cURLpp::OptionTrait<OptionType,option>' being compiled
> with
> [
> OptionType=long,
> option=CURLOPT_CONNECTTIMEOUT
> ]
> ---------------------------------------------------------------------
>
> As you can see, VC++ likes to repeat the same warning.
> Anyway, the important thing is that it came with a change you made in the
> "OptionSetter.inl" file :
> a (void*) cast !!!
>
> here :
> template< typename OptionValueType,
> cURL::CURLoption optionType >
> void
> cURLpp::OptionSetter< OptionValueType,
> optionType >::setOpt(cURLpp::CurlHandle *handle,
> ParamType value)
> {
> handle->option(optionType, (void *)value);
> }
> (and other overloads...)
>
> Setting back with no C-like cast suppresses the warning.
> Did a mistake was made ? Is this intended ?
>
> Just to make my mind clear.
>
> Regards,
>
>
> Nicolas LE GOFF
>
> _______________________________________________
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> cURLpp_at_rrette.com
> http://www.rrette.com/mailman/listinfo/curlpp

-- 
Jean-Philippe Barrette-LaPierre
cURLpp maintener (http://rrette.com/curlpp.html)
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