Oh, so you're saying you can smell me over the phone?
Karl Fogel <kfogel@galois.collab.net> writes:
> It takes a hygenic programmer to write a hygenic macro, that's all I
> can say, Jim.
>
> jimb@tigris.org writes:
> > User: jimb
> > Date: 00/10/13 15:37:03
> >
> > Modified: subversion/include svn_error.h
> > Log:
> > (SVN_ERR): Use a stranger name for the temporary variable. I
> > accidentally used `svn_err' as a real variable, and then (after some
> > manual cleanup) tried to say `SVN_ERR (svn_err)', which didn't do what
> > I meant. ("Shoulda written it in Scheme...")
> >
> > Revision Changes Path
> > 1.46 +6 -2 subversion/subversion/include/svn_error.h
> >
> > Index: svn_error.h
> > ===================================================================
> > RCS file: /cvs/subversion/subversion/include/svn_error.h,v
> > retrieving revision 1.45
> > retrieving revision 1.46
> > diff -u -r1.45 -r1.46
> > --- svn_error.h 2000/10/13 20:01:04 1.45
> > +++ svn_error.h 2000/10/13 22:37:03 1.46
> > @@ -299,8 +299,12 @@
> >
> > would not mean what they appear to. */
> >
> > -#define SVN_ERR(expr) \
> > - do { svn_error_t *svn_err = (expr); if (svn_err) return svn_err; } while (0)
> > +#define SVN_ERR(expr) \
> > + do { \
> > + svn_error_t *svn_err__temp = (expr); \
> > + if (svn_err__temp) \
> > + return svn_err__temp; \
> > + } while (0)
> >
> >
> > #endif /* SVN_ERROR_H */
> >
> >
> >
Received on Sat Oct 21 14:36:11 2006