[tex-live] Re: [tex-pretest] Web2C 7.5.2 -- "critical fixes"

[Olaf Weber]

Fabrice Popineau writes:

>> Web2C 7.5.2 -- "critical fixes" Changes compared to 7.5.1:
>> - probably encTeX, but not before the weekend.

> I have been caught by enctex and dumping/undumping things for a moment. 
> There is this piece of code in texmfmp.h :

> /* `dump_int' is called with constant integers, so we put them into a
>    variable first.  */
> #define	dumpint(x)							\
>   do									\
>     {									\
>       integer x_val = (x);						\
>       generic_dump (x_val);						\
>     }									\
>   while (0)

> /* web2c/regfix puts variables in the format file loading into
>    registers.  Some compilers aren't willing to take addresses of such
>    variables.  So we must kludge.  */
> #ifdef REGFIX
> #define undumpint(x)							\
>   do									\
>     {									\
>       integer x_val;							\
>       generic_undump (x_val);						\
>       x = x_val;							\
>     }									\
>   while (0)
> #else
> #define	undumpint generic_undump
> #endif


> I find it very strange that both aren't exactly symetric.

I'm not sure I understand your point?

> EncTeX is dumping a boolean and it was dumped as an int and undumped
> as a boolean (different sizes). So be warned. I had to define
> REGFIX.

Don't ever dump booleans directly.
Where is encTeX doing this?

> Fabrice

-- 
Olaf Weber

               (This space left blank for technical reasons.)