Felipe Contreras <felipe.contre...@gmail.com> writes:
> On Thu, Oct 31, 2013 at 1:05 PM, Junio C Hamano <gits...@pobox.com> wrote:
>> Felipe Contreras <felipe.contre...@gmail.com> writes:
>>
>>> Otherwise we would have to include commit.h.
>>
>> Was there a reason why commit.h is not included here, just like
>> revision.h would include diff.h, so that users of shortlog.h do not
>> have to worry about including commit.h themselves?
>
> Because you can't do:
>
> struct diff_options;
> struct diff_options diffopt;
>
> The storage size is not known, but you can do:
>
> struct diff_options;
> struct diff_options *diffopt;
But so can you do
struct diff_options *diffopt;
without the declaration, no? That is:
$ cat >x.c <<\EOF
struct foo {
struct bar *ptr;
};
int foo_is_null(struct foo *foo)
{
return foo == 0;
}
EOF
$ gcc -Wall -c x.c
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