Re: [Qemu-devel] [PATCH] ppc/mmu-hash64: Remove duplicated #include statement

[Thomas Huth]

On 14.07.2016 16:32, Eric Blake wrote:
> On 07/14/2016 02:14 AM, Thomas Huth wrote:
>> No need to include error-report.h twice here.
>>
>> Signed-off-by: Thomas Huth <address@hidden>
>> ---
>>  target-ppc/mmu-hash64.c | 1 -
>>  1 file changed, 1 deletion(-)
> 
> Reviewed-by: Eric Blake <address@hidden>
> 
> Markus, do your header cleanup scripts detect any other situations like
> this?

There are indeed other files that include headers twice. You can get an
inaccurate list with following shell magic:

for i in `find include/ -name \*.h` ; do \
 grep -r '#include.*'`echo -n $i | sed s,include/,,` * \
      | sed s/:.*$// | sort > /tmp/dups1.txt ; \
 sort -u </tmp/dups1.txt >/tmp/dups2.txt; \
 DIF=`diff /tmp/dups?.txt | grep '\.[ch]' | tr \< \-` ; \
 if [ "x$DIF" != x ] ; then \
    echo '***' $i '***': ; echo $DIF ; echo; \
 fi ; \
done

Note that there are also valid cases where a file is including a header
multiple times (e.g. the way include/exec/cpu_ldst.h is including
cpu_ldst_template.h multiple times), so there are also false-positives
in this list.

But for the others ... feel free to send some patches ;-)

 Thomas

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