On Tue, Oct 30, 2012 at 06:43:51PM +0000, Matt Kraai wrote:
> Michael Haggerty <mhagger <at> alum.mit.edu> writes:
> ...
> > -static int parse_dirstat_params(struct diff_options *options, const char ...
> > +static int parse_dirstat_params(struct diff_options *options, const char ...
> > struct strbuf *errmsg)
> > {
> > - const char *p = params;
> > - int p_len, ret = 0;
> > + char *params_copy = xstrdup(params_string);
> > + struct string_list params = STRING_LIST_INIT_NODUP;
> > + int ret = 0;
> > + int i;
> >
> > - while (*p) {
> > - p_len = strchrnul(p, ',') - p;
> > - if (!memcmp(p, "changes", p_len)) {
> > + if (*params_copy)
>
> params_copy is set to the value returned by xstrdup, which cannot be NULL.
> This check can be removed and if params_string can be NULL, it should be
> checked before being passed to xstrdup.
If you are referring to the last line, isn't it checking whether the
string is empty, not NULL?
-Peff
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