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From: James Kuyper <jameskuyper@alumni.caltech.edu>
Newsgroups: comp.lang.c
Subject: Re: No warning at implicit removal of const. Was: relearning C: why
 does an in-place change to a char* segfault?
Date: Fri, 2 Aug 2024 14:58:10 -0400
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On 8/2/24 14:42, Richard Damon wrote:
> On 8/2/24 2:24 PM, Keith Thompson wrote:
>> Richard Harnden <richard.nospam@gmail.invalid> writes:
>> [...]
>>> Is there any reason not to always write ...
>>>
>>> static const char *s = "hello, world";
>>>
>>> ... ?
....
>> There's no good reason not to use "const". (If string literal objects
>> were const, you'd have to use "const" here.)
....
> The one good reason to not make it const is that if you are passing it
> to functions that take (non-const) char* parameters that don't
> actually change that parameters contents.

Actually, that's not a good reason. If you can't modify the function's
interface, you should use a (char*) cast, which will serve to remind
future programmers that this is a dangerous function call. You shouldn't
make the pointer's own type "char *".