Bert Huijben wrote on Thu, Mar 08, 2012 at 10:38:16 +0100:
>
>
> > -----Original Message-----
> > From: svn-r...@apache.org [mailto:svn-r...@apache.org]
> > Sent: donderdag 8 maart 2012 5:01
> > To: comm...@subversion.apache.org
> > Subject: svn commit: r1298264 - in /subversion/branches/1.7.x: ./ STATUS
> > subversion/libsvn_wc/props.c
> >
> > Author: svn-role
> > Date: Thu Mar 8 04:01:23 2012
> > New Revision: 1298264
> >
>
> > Modified: subversion/branches/1.7.x/subversion/libsvn_wc/props.c
> > URL:
> > http://svn.apache.org/viewvc/subversion/branches/1.7.x/subversion/libsvn_wc
> > /props.c?rev=1298264&r1=1298263&r2=1298264&view=diff
> > =============================================================
> > =================
> > --- subversion/branches/1.7.x/subversion/libsvn_wc/props.c (original)
> > +++ subversion/branches/1.7.x/subversion/libsvn_wc/props.c Thu Mar 8
> > 04:01:23 2012
> > @@ -2537,7 +2537,8 @@ svn_wc_canonicalize_svn_prop(const svn_s
> > || strcmp(propname, SVN_PROP_EXTERNALS) == 0)
> > {
> > /* Make sure that the last line ends in a newline */
> > - if (propval->data[propval->len - 1] != '\n')
> > + if (propval->len == 0
> > + || propval->data[propval->len - 1] != '\n')
> > {
> > new_value = svn_stringbuf_create_from_string(propval, pool);
> > svn_stringbuf_appendbyte(new_value, '\n');
>
> Looking at this patch again at a better hour:
>
> Why do we add a '\n' to a 0-byte property value.
>
> I think it should be 'propval->len > 0 && ...'
>
> Bert
>
I assume the preexisting code appended a newline byte to empty property
values (though perhaps unintentionally), and the new code preserves this
behaviour. I don't know if ("", 0) v. ("\n", 1) makes a difference to
the rest of the code.
