From:	Andrew Cottrell <andnews AT ihug DOT com DOT oz DOT au>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: struct problem
Date:	Wed, 08 Jan 2003 20:15:04 +1100
Organization:	ECLiPSE
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>In writting a simple bmp loader, I'm having problems with the struct for
>the bmp header.  Even with __attribute__((__packed__)) after each item:
..SNIP..
>To load the bmp header, I'm using fread (if that makes any difference).
>And the program is using C, not CPP files (if that also, makes any
>difference.)
>Any help is appreciated.  Thanks.

Have a read of the FAQ in the FAQ directory for sections 22.11 and
22.12 as they will help. I use the #pragma pack() as it then works for
C or C++.

BTW Go and have a look at Allegro, http://alleg.sourceforge.net/ as it
has BMP support and when I added BMP support a long long time ago to
one of m,y programs (before allegro came along) the BMP specs from MS
are a bit confusing as there were some tricks. To save you pulling out
your hair have a look at the code in Allegro and remember that Allegro
works on DOS, Windows and Linux so it may make your application more
portable if you use it.

Andrew

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