Re: [Gnash-dev] [PATCH] libamf/lcshm.cpp: fix "cast loses precision" error

[Benjamin Wolsey]

Am Donnerstag, den 23.07.2009, 09:18 +0200 schrieb Melchior FRANZ:
> Hi,
> 
> gnash from today doesn't compile for me. g++ complains about an invalid
> cast of a pointer to "unsigned int", which doesn't quite fit on 64 bit
> systems.
> 
>   lcshm.cpp: In member function ‘uint8_t* amf::LcShm::formatHeader(const 
> std::string&, \
>       const std::string&, bool)’:
>   lcshm.cpp:416: error: cast from ‘uint8_t*’ to ‘unsigned int’ loses precision
>   lcshm.cpp:416: error: cast from ‘uint8_t*’ to ‘unsigned int’ loses precision
>   lcshm.cpp: In member function ‘bool amf::LcShm::connect(const 
> std::string&)’:
>   lcshm.cpp:487: error: cast from ‘char*’ to ‘unsigned int’ loses precision
>   lcshm.cpp:487: error: cast from ‘uint8_t*’ to ‘unsigned int’ loses precision
>   lcshm.cpp: In member function ‘void amf::LcShm::send(const std::string&, \
>       const std::string&, std::vector<amf::Element*, 
> std::allocator<amf::Element*> >&)’:
>   lcshm.cpp:568: error: cast from ‘uint8_t*’ to ‘unsigned int’ loses precision
>   lcshm.cpp:568: error: cast from ‘uint8_t*’ to ‘unsigned int’ loses precision
> 
> 
> 
> I suggest to use printf's %p format instead:
> 
> 

Boost format doesn't care what format you use; it depends on the type.
Casting a pointer to an integer type is the error there, not the format
string.

bwy

--
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Benjamin Wolsey, Software Developer - http://benjaminwolsey.de

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