Re: [AD] alconfig.h errors

["Javier Gonzalez" <Xavier_Gonzalez@xxxxxxxxxx>]

Go to your project properties
c/c++ - General

and turn off:
Detect 64-bit portability isues

----- Original Message ----- 
From: "Gillius" <gillius@xxxxxxxxxx>
To: <alleg-developers@xxxxxxxxxx>
Sent: Thursday, May 29, 2003 3:28 AM
Subject: [AD] alconfig.h errors


> I've reported this several times, but as I recently upgraded from 4.1.5 to
> 4.1.9 I was hoping it had been fixed but it had not.  alconfig compiles
> with warnings, because it assumes that the size of a long is equal to the
> size of an unsigned char*
>
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\internal\alconfig.h(286) : warning C4312: 'type
cast' : conversion from 'unsigned long' to 'unsigned char *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\internal\alconfig.h(298) : warning C4312: 'type
cast' : conversion from 'unsigned long' to 'unsigned char *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(250) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned char *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(264) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned char *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(275) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned short *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(289) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned short *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(300) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned short *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(314) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned short *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(350) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned long *' of greater size
> c:\Program Files\Microsoft Visual Studio
.NET\Vc7\include\allegro\inline\draw.inl(364) : warning C4312: 'type cast' :
conversion from 'unsigned long' to 'unsigned long *' of greater size
>
> I am using MSVC.NET 2002, I don't have MSVC 2003, but I figure the same
> results would occur.  I do the following in my programs to prevent this
> from happening every time I include allegro.h:
>
> #pragma warning( push )
> #pragma warning( disable : 4312 )
> #include <allegro.h>
> #pragma warning( pop )
>
> I suppose this would not be an easy fix since it seems to be a way that
> Allegro was designed.  I couldn't fix the warnings without changing the
> Allegro interface, so there may not be an easy way
>
> Just figure I'd bring it up again
>
> Gillius
>
>
>
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