On Mon, May 19, 2014 at 10:46:21PM -0700, Jeremiah Mahler 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
You could do:
#define DEFAULT_SIGNATURE git_version_string
static const char *signature = DEFAULT_SIGNATURE;
...
if (signature == DEFAULT_SIGNATURE)
...
but maybe that is getting a little unwieldy, considering the scope of
the original problem.
-Peff
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