[vlc-devel] [PATCH 2/3] Define the some macros to avoid name clashes on OS/2.

[Rafaël Carré]

Le 11-12-21 06:49, KO Myung-Hun a écrit :
> 
> 
> Jean-Baptiste Kempf wrote:
>> On Tue, Dec 20, 2011 at 08:29:46PM +0900, KO Myung-Hun wrote :
>>> They are
>>>
>>>     #define BITMAPINFOHEADER    VLC_BITMAPINFOHEADER
>>>     #define PBITMAPINFOHEADER   VLC_PBITMAPINFOHEADER
>>>     #define LPBITMAPINFOHEADER  VLC_LPBITMAPINFOHEADER
>>>     #define BITMAPINFO          VLC_BITMAPINFO
>>>     #define LPBITMAPINFO        VLC_LPBITMAPINFO
>>>
>>> OS/2 has already the types of the same name, but the different member name.
>>
>> I am really not at ease with that...
>>
>> BITMAPINFOHEADER is quite defined by MicroSoft. Any way to undef the
>> OS/2 defines?
>>
>>
> 
> Unfortunately, it is also defined by IBM.
> 
> I'm sorry I don't know how to undef 'typedef'.

What are the differences ?

http://en.wikipedia.org/wiki/BMP_file_format#DIB_header_.28bitmap_information_header.29
shows a different name for OS/2 but perhaps it's only an alias?