wmc: Fix symbol was not declared and using plain integer as NULL pointer sparse warnings.

[Jacek Caban]

On 1/21/10 2:33 PM, Rob Shearman wrote:
> 2010/1/21 Jacek Caban<jacek at codeweavers.com>:
>    
>> Hi Rob,
>>
>> On 1/21/10 12:57 PM, Rob Shearman wrote:
>>      
>>> ---
>>>   tools/wmc/wmc.c |    8 +++++---
>>>   tools/wmc/wmc.h |    2 +-
>>>   2 files changed, 6 insertions(+), 4 deletions(-)
>>>
>>>        
>> --- a/tools/wmc/wmc.h
>> +++ b/tools/wmc/wmc.h
>> @@ -65,7 +65,7 @@ extern node_t *nodehead;
>>   extern lan_blk_t *lanblockhead;
>>
>>   int mcy_lex(void);
>> -FILE *yyin;
>> +extern FILE *yyin;
>>
>>
>> It looks like it worked before your patch only because it's used only in
>> wmc.c, which means that it probably should be static.
>>      
> It's used in mcl.c too:
> mcl.c:		cptr = fgets(xlatebuffer, INPUTBUFFER_SIZE, yyin);
> mcl.c:		if(!cptr&&  ferror(yyin))
> mcl.c:			n = fread(inputbuffer, 1, 8, yyin);
> mcl.c:				if(!n&&  ferror(yyin))
> mcl.c:				t = fread(&inputbuffer[i], 2, 1, yyin);
> mcl.c:				if(!t&&  ferror(yyin))
>    

I don't know how I missed that. I'm sorry.

Thanks,
     Jacek