[ python-Bugs-1228053 ] usage of type "char*" instead of "const char*"
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Thu Jun 30 22:24:26 CEST 2005
Bugs item #1228053, was opened at 2005-06-27 08:54
Message generated for change (Comment added) made by ekholm
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Category: Build
Group: Python 2.4
Status: Closed
Resolution: Invalid
Priority: 5
Submitted By: Mattias Ekholm (ekholm)
Assigned to: Nobody/Anonymous (nobody)
Summary: usage of type "char*" instead of "const char*"
Initial Comment:
I suspect that this is problem is not only related
"char*", but to
most types used in the Python C API. For "char*" is
quite hard
to sircumvent.
Is there any plan to use const for all function parameters
when the function is not altering its arguments?
regards
Mattias
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>Comment By: Mattias Ekholm (ekholm)
Date: 2005-06-30 22:24
Message:
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I'll try to find self-confidence enough to go on a crusade
myself :-)
But, as a simple user of python libraries. I'm reluctant to
start changing
the code here-and-there.
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Comment By: Mattias Ekholm (ekholm)
Date: 2005-06-30 22:00
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this is *not* a coding style question and not related to C++,
in C string constans may reside in read only memory.
...and it's a nuisance that the python library code is uses
const
for char* where appropritate.
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Comment By: Tim Peters (tim_one)
Date: 2005-06-30 21:49
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It's a valid question, but no, there's no plan to go on a Const
Crusade. Developers sometimes add const where it gets in
the way, if they happen to working in that area anyway. For
example, that's how PyDict_GetItemString() grew its const
char* key argument. OTOH, PyMapping_GetItemString()
does not have a const char* key argument, presumably
because few people use it, and nobody uses it who cared
enough yet to change it.
As a practical matter, you'd have better luck submitting a
patch adding const where it's actually gotten in your way
than hoping someone else will devote the rest of their life to
slamming in const everywhere it could possibly go.
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Comment By: Terry J. Reedy (tjreedy)
Date: 2005-06-30 21:01
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Coding style questions should be directed to comp.lang.python
or the corresponding mail list.
In any case, Python is written in C89, not C++
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