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Re: h2py.py bug?

En Tue, 10 Jun 2008 09:44:13 -0300, Gabriel Rossetti
<ga************ **@arimaz.comes cribió:
I wanted to use the h2py.py script (Tools/scripts/h2py.py) and it didn't
like char litterals :

Skipping: PC_ERROR = ord()

where my *.h file contained :

#define PC_ERROR '0'

I searched the web and found a post with the same error :

http://mail.python.org/pipermail/pyt...er/340608.html

but it got no replies, I tried the fix and it works. I have the
following questions:

1) Why did it not get any attention, is something wrong with it?
2) If nothing is wrong, did the fix not get applied because a bug report
wasn't filed?
Very probably - bug reports outside the tracker are likely to go unnoticed
or forgotten.
3) Isn't turning a char literal into the ordinal value not contrary to
what a C programmer had in mind when he/she defined it? I mean if you
define a char literal then in python you would have used a string value :

#define PC_ERROR '0'

would become :

PC_ERROR = '0'

in python, and if you intended to use the char type for an 8 bit
numerical value you would have done :

#define PC_ERROR 0x30

where 0x30 is the '0' ascii hex value, so shouldn'it the line in the
diff (see the post) be :

body = p_char.sub("'\\ 1'", body)

instead of :

body = p_char.sub("ord ('\\1')", body)
It's not so clear what's the intended usage - chars are also integers in
C. (I prefer the current behavior, but certainly it may be wrong in
several places).

--
Gabriel Genellina

Jun 27 '08 #1
0 1304

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