Op Thu, 28 Feb 2008, schreef Michael Schnell:
C-style bitpacking ("char c:1" and "int c:1" are often laid out differently
in C depending on the previous fields,
Not only this. C defines the layout as implementation depended. I once was
bitten by this when porting a networked project from a low endian processor
to a high endian processor :( .
Thus if we want binary portability of the structures we need to be better
than C (optionally defining the structure as high-endian or low endian on
user request) !!!!
Why?
The only thing I want to guarantee is that blockwrite followed by
blockread on a platform with the same endianness works and will work in
the future.
This (combined with ifdef based endian conversion) guarantees portability
of structures to any platform.
Or do I see this wrong?
Daniël
_______________________________________________
fpc-devel maillist - fpc-devel@lists.freepascal.org
http://lists.freepascal.org/mailman/listinfo/fpc-devel
