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Groups > comp.lang.c > #380748
| From | Tim Rentsch <tr.17687@z991.linuxsc.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: *rubeyes*: realloc(ptr, 0) is UB? |
| Date | 2024-01-23 19:28 -0800 |
| Organization | A noiseless patient Spider |
| Message-ID | <86r0i7e7fd.fsf@linuxsc.com> (permalink) |
| References | (9 earlier) <20240118144021.3@kylheku.com> <87r0iech8j.fsf@nosuchdomain.example.com> <87msszbb08.fsf@nosuchdomain.example.com> <86cytugvve.fsf@linuxsc.com> <87edeab85u.fsf@nosuchdomain.example.com> |
Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:
> Tim Rentsch <tr.17687@z991.linuxsc.com> writes:
>
>> Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:
>>
>>> Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:
[...]
>>>> I think I would have *liked* to see C23 drop the special permission
>>>> to return a null pointer for a requested size of zero. C11 says (and
>>>> this applies to malloc, realloc, and all other allocation functions):
>>>> [...]
>>>>
>>>> Note that malloc(0) or realloc(ptr, 0) can still fail and return
>>>> a null pointer if no space can be allocated, so all allocations
>>>> should still be checked. But with this proposed change, code
>>>> could rely on realloc(ptr, 0) returning a non-null pointer *unless*
>>>> available memory is critically low -- pretty much the same as in C11,
>>>> except that a null pointer would be an indication that something
>>>> is seriously wrong.
>>>>
>>>> (I remember seeing a discussion about making the behavior of
>>>> realloc(ptr, 0) undefined. I'm making inquiries, and I'll follow
>>>> up if I learn anything relevant.)
>>>
>>> I got a response from JeanHeyd Meneide.
>>>
>>> If realloc(ptr, 0) returns a null pointer there's no way to tell
>>> whether allocation failed (and ptr has not been freed), or the
>>> implementation returns a null pointer for zero-sized allocations
>>> (and ptr has been freed). Some implementations set errno, but C
>>> doesn't require it.
(Let me mention in passing that there is a way to tell that
should work in practice on any non-malicious implementation.)
>> It's trivial to fix that problem: simply require implementations
>> to define a preprocessor symbol about how the implementation
>> works. Problem solved.
>>
>> (There are other instances of implementation-defined behavior
>> that would benefit from analogous changes along these lines.)
>
> I tend to agree that such a preprocessor symbol would be an
> improvement.
>
> I still think, as I wrote above, that removing the permission to
> return a null pointer on a successful zero-sized allocation would
> be a greater improvement.
>
> A preprocessor symbol makes it easier for programmers to work
> around the potential difference between implementations. The
> change I advocate would make it completely unnecessary.
>
> Except, of course, that most code would still have to allow for
> pre-C26 behavior, even if the change were adopted in C26. That's
> unavoidable in the absence of time machines. On the gripping
> hand, since it seems that most existing implementations (well, all
> of the few I've tried) return a non-null pointer for malloc(0), it
> might be reasonable to ignore the few pre-C26 implementations that
> return a null pointer.
I have an observation worth mentioning. Using glibc (tested in
Ubuntu), these assignments
void *x = malloc( 0 );
void *y = malloc( 1 );
both return a non-null pointer. Following that, however, these
calls
void *xx = realloc( x, 0 );
void *yy = realloc( y, 0 );
both return a null pointer, and subsequent code shows that both x
and y have indeed been deallocated. (Both gcc and clang give the
same result, which isn't surprising since both are using glibc.)
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*rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-17 00:32 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-17 01:57 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-17 02:32 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-17 03:06 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-17 03:08 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-17 03:34 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-17 11:37 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-17 17:47 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? BGB <cr88192@gmail.com> - 2024-01-17 12:39 -0600
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-17 16:27 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-17 17:57 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-17 22:13 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-17 22:31 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-18 00:23 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-18 15:14 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-18 13:26 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-18 19:31 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-18 15:01 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-18 22:43 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-18 15:14 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-18 16:13 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-19 03:06 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 03:47 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-22 10:21 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-22 18:54 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-22 20:01 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-23 09:35 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-23 09:08 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-23 21:56 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-26 05:51 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-24 23:37 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-26 07:54 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-26 21:04 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-02-01 05:39 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-19 20:29 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-19 21:35 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 03:08 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-21 17:32 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-25 09:08 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-25 18:49 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-25 11:35 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-25 11:45 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-25 13:40 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-26 09:27 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-29 13:21 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-26 12:20 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-28 18:17 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-31 01:02 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-28 20:09 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-19 13:37 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-19 21:50 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-19 14:16 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 03:25 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-21 11:55 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 09:41 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-21 12:22 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-21 20:34 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-21 21:54 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-21 21:20 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-22 09:20 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-21 13:31 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-21 21:49 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-21 22:09 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-01-21 23:49 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-22 09:24 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-22 22:09 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-23 09:28 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-21 21:37 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-21 17:05 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-21 17:09 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-21 21:16 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-21 17:14 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-21 17:04 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-01-22 02:05 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-21 18:37 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-22 11:55 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-22 12:00 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-22 22:08 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2024-01-21 20:51 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-22 10:22 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-22 11:27 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-22 19:36 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? kalevi@kolttonen.fi (Kalevi Kolttonen) - 2024-01-22 20:40 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? bart <bc@freeuk.com> - 2024-01-22 22:14 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-22 14:38 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-22 14:40 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-22 22:45 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-22 14:54 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-22 23:05 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 04:04 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-01-22 12:36 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-22 08:23 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-22 08:27 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-22 16:34 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-24 04:42 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Spiros Bousbouras <spibou@gmail.com> - 2024-01-22 19:23 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-22 20:20 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 06:55 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-20 19:50 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-21 05:11 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-21 05:20 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 14:38 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 14:33 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-21 15:04 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-22 08:12 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-22 08:06 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-22 18:17 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-22 18:43 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Richard Kettlewell <invalid@invalid.invalid> - 2024-01-22 19:11 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-24 02:46 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-24 14:54 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-22 20:08 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-23 19:28 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-24 06:33 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-24 07:46 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-24 07:44 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? David Brown <david.brown@hesbynett.no> - 2024-01-24 10:41 +0100
Re: *rubeyes*: realloc(ptr, 0) is UB? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-01-24 08:34 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-02-10 02:47 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-24 12:23 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-21 05:10 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-20 15:41 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-17 17:46 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-18 15:12 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-18 20:47 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-18 22:45 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-18 23:47 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-19 00:03 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-19 21:11 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-19 21:31 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-18 23:48 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-01-18 13:34 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-19 16:14 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? scott@slp53.sl.home (Scott Lurndal) - 2024-01-20 00:26 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-23 11:53 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> - 2024-01-17 23:03 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-18 00:10 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-17 17:38 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> - 2024-01-18 22:20 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-18 22:47 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> - 2024-01-19 16:27 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-19 16:39 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> - 2024-01-22 23:12 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-23 01:16 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-23 22:15 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-25 13:27 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-01-18 18:37 -0500
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-17 17:35 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-18 05:54 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Kaz Kylheku <433-929-6894@kylheku.com> - 2024-01-18 05:59 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-01-18 06:59 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-18 00:18 -0800
Re: *rubeyes*: realloc(ptr, 0) is UB? Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> - 2024-01-18 22:21 +0000
Re: *rubeyes*: realloc(ptr, 0) is UB? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-01-17 17:45 -0800
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