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

[Rob Shearman]

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))

-- 
Rob Shearman