Subject: Re: [PATCH] builtin/blame.c: Fix a "Using plain integer as NULL pointer" warning

From: Ramsay Jones <[email-masked]>
Date: Tue, 15 May 2012 18:33:12 +0100

René Scharfe wrote:
> Am 13.05.2012 23:41, schrieb Ramsay Jones:
>>
>> Signed-off-by: Ramsay Jones<[email-masked]>
>> ---
>>
>> Hi Junio,
>>
>> I try to catch these warnings, while the topics are still in the
>> pu branch, so that we can squash the fix into them before they
>> hit next. I don't know how I missed this one (commit 4b4132f,
>> "blame: factor out helper for calling xdi_diff()", 09-05-2012)
>> which was part of the 'rs/xdiff-lose-emit-func' branch.
>>
>> Sorry about that.
>>
>> ATB,
>> Ramsay Jones
>>
>>
>>   builtin/blame.c |    2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/builtin/blame.c b/builtin/blame.c
>> index 778d661..24d3dd5 100644
>> --- a/builtin/blame.c
>> +++ b/builtin/blame.c
>> @@ -93,7 +93,7 @@ static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, long ctxlen,
>>   {
>>   	xpparam_t xpp = {0};
>>   	xdemitconf_t xecfg = {0};
>> -	xdemitcb_t ecb = {0};
>> +	xdemitcb_t ecb = {NULL};
>>
>>   	xpp.flags = xdl_opts;
>>   	xecfg.ctxlen = ctxlen;
> 
> The warning is given by sparse, not a C compiler, correct?  It's 
> probably worth shutting it up by making that change; my excuse for using 
> {0} is that it is such a nice and portable idiom [1] for initializing 
> any structure, however.

Yes, sorry, it is indeed a sparse warning. (The original
subject line mentioned sparse, but it was too long ... ;-)

Thanks!

ATB,
Ramsay Jones