[SCM] Samba Shared Repository - branch master updated
Matthias Dieter Wallnöfer
mdw at samba.org
Mon Nov 29 11:56:19 MST 2010
Hi Jelmer,
Jelmer Vernooij wrote:
> Hi Matthias,
>
> On Mon, 2010-11-29 at 19:20 +0100, Matthias Dieter Wallnöfer wrote:
>
>> I don't see me very guilty since I've simply performed the cleanup as
>> the Solaris "cc" suggests.
>>
> Just because Solaris CC gives a warning does not mean that whatever it
> suggests is the right thing to do. You are the person making these
> changes changes and pushing them into master, so you're responsible for
> them.
>
Yes, I am and I know this.
>> I see more a problem in the way how these tests were written - since
>> obviously there wasn't enough care to proof for the termination
>> conditions - which should always be taken into account.
>>
>
>> Therefore I think it doesn't make much sense to revert my commit - since
>> functionally it doesn't change anything - they are wrong with and
>> without my commit.
>> Much better would be to immediately introduce the termination conditions.
>>
> This is a boolean function. All code paths should in principal return a
> boolean. If we expect a code path to never be used we should add a
> comment saying so and return false.
>
> Alternatively (and I'd prefer that), in cases like these, we should
> "break;" in the endless loop rather than returning directly from that
> loop to make the code easier to read.
>
Okay - this is a good point of view - and personally I would also prefer
this, but also the other style is acceptable (or do we have a coding
guideline regarding this?).
> Have you checked that none of the compilers we support warns about a
> missing return statement in these cases?
>
No one warns - as far as I've seen. And I've checked these changes
carefully - and "cc" was always correct.
> What exactly is the improvement of this change over the previous
> situation ?
>
I think this depends on the compiler. On a part probably nothing and on
others the "return" simply doesn't get compiled into the binary - so a
small file size improvement.
Cheers,
Matthias
> Cheers,
>
> Jelmer
>
>
>> Jelmer Vernooij wrote:
>>
>>> Hi Matthias,
>>>
>>> On Mon, 2010-11-29 at 15:35 +0100, Matthias Dieter Wallnöfer wrote:
>>>
>>>
>>>> diff --git a/source4/torture/basic/base.c b/source4/torture/basic/base.c
>>>> index d5090e9..9953573 100644
>>>> --- a/source4/torture/basic/base.c
>>>> +++ b/source4/torture/basic/base.c
>>>> @@ -1360,8 +1360,6 @@ static bool run_iometer(struct torture_context *tctx,
>>>> smbcli_errstr(cli->tree)));
>>>> }
>>>> }
>>>> -
>>>> - return true;
>>>> }
>>>>
>>>>
>>> This is wrong; this function should return a bool and it should always
>>> return true in case of success. Please revert it.
>>>
>>>
>>>
>>>> /**
>>>> diff --git a/source4/torture/basic/misc.c b/source4/torture/basic/misc.c
>>>> index 7223272..c590237 100644
>>>> --- a/source4/torture/basic/misc.c
>>>> +++ b/source4/torture/basic/misc.c
>>>> @@ -289,8 +289,6 @@ bool torture_holdopen(struct torture_context *tctx,
>>>> fflush(stdout);
>>>> sleep(15);
>>>> }
>>>> -
>>>> - return true;
>>>> }
>>>>
>>>>
>>> Same here.
>>>
>>>
>>>
>>>> /*
>>>> diff --git a/source4/torture/raw/pingpong.c b/source4/torture/raw/pingpong.c
>>>> index 124cf69..f9c551e 100644
>>>> --- a/source4/torture/raw/pingpong.c
>>>> +++ b/source4/torture/raw/pingpong.c
>>>> @@ -243,8 +243,5 @@ bool torture_ping_pong(struct torture_context *torture)
>>>> }
>>>> loops++;
>>>> }
>>>> -
>>>> - talloc_free(mem_ctx);
>>>> - return true;
>>>> }
>>>>
>>>>
>>> Same here.
>>>
>>> FWIW I've only checked these three fragments since they're in code I'm
>>> familiar with. I haven't checked the other ones.
>>>
>>> Can you, per tridge's recent request, please send your patches for
>>> review before checking them in?
>>>
>>> Cheers,
>>>
>>> Jelmer
>>>
>>>
>>
>
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