On Mon, May 19, 2014 at 09:54:33AM -0700, Junio C Hamano wrote:
> Jeremiah Mahler <jmmah...@gmail.com> writes:
> 
> > On Sat, May 17, 2014 at 06:00:14AM -0400, Jeff King wrote:
> >> 
>
> Avoiding that is easy with an indirection, no?  Something like this
> at the top:
> 
>   static const char *the_default_signature = git_version_string;
>   static const char *signature = the_default_signature;
> 
> and comparing to see if signature points at the same address as
> the_default_signature would give you what you want, I think.

I like your suggestion for a default signature variable.
Unfortunately, C doesn't like it as much.

static const char *the_default_signature = git_version_string;
static const char *signature = the_default_signature;  // ERROR
// initializer element is not constant

-- 
Jeremiah Mahler
jmmah...@gmail.com
http://github.com/jmahler
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