[Chicken-hackers] [PATCH] Make character comparisons safe

[Peter Bex]

Hi all,

As I found long ago, the compiler rewrites for character comparison
procedures are marked safe, but they're really unsafe.  This results
in garbage output when fed non-characters.

The attached patch changes the inline macros to actually be functions,
and renames the existing macros to C_u_i_...  This is a slight increase
in runtime.c (again...), but I think this is worthwhile to keep things
fast.  I couldn't be bothered to run the benchmarks yet again, though.

See ticket #1122 for more info.

Cheers,
Peter

0001-C_i_char_-p-are-now-truly-safe.chicken-5.patch
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0001-C_i_char_-p-are-now-truly-safe.master.patch
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