Olga Telezhnaya <[email protected]> writes:

> -static int get_object(struct ref_array_item *ref, const struct object_id 
> *oid,
> -                   int deref, struct object **obj, struct strbuf *err)
> +static int get_object(struct ref_array_item *ref, int deref, struct object 
> **obj,
> +                   struct expand_data *oi, struct strbuf *err)
>  {
> -     int eaten;
> -     int ret = 0;
> -     unsigned long size;
> -     enum object_type type;
> -     void *buf = read_object_file(oid, &type, &size);
> -     if (!buf)
> -             ret = strbuf_addf_ret(err, -1, _("missing object %s for %s"),
> -                                   oid_to_hex(oid), ref->refname);
> -     else {
> -             *obj = parse_object_buffer(oid, type, size, buf, &eaten);
> -             if (!*obj)
> -                     ret = strbuf_addf_ret(err, -1, _("parse_object_buffer 
> failed on %s for %s"),
> -                                           oid_to_hex(oid), ref->refname);
> -             else
> -                     grab_values(ref->value, deref, *obj, buf, size);
> +     /* parse_object_buffer() will set eaten to 0 if free() will be needed */
> +     int eaten = 1;

Hmph, doesn't this belong to the previous step?  In other words,
isn't the result of applying 1-3/4 has a bug that can leave eaten
uninitialized (and base decision to free(buf) later on it), and
isn't this change a fix for it?

> +     if (oi->info.contentp) {
> +             /* We need to know that to use parse_object_buffer properly */
> +             oi->info.sizep = &oi->size;
> +             oi->info.typep = &oi->type;
>       }
> +     if (oid_object_info_extended(the_repository, &oi->oid, &oi->info,
> +                                  OBJECT_INFO_LOOKUP_REPLACE))
> +             return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
> +                                    oid_to_hex(&oi->oid), ref->refname);
> +
> +     if (oi->info.contentp) {
> +             *obj = parse_object_buffer(&oi->oid, oi->type, oi->size, 
> oi->content, &eaten);
> +             if (!obj) {
> +                     if (!eaten)
> +                             free(oi->content);
> +                     return strbuf_addf_ret(err, -1, _("parse_object_buffer 
> failed on %s for %s"),
> +                                            oid_to_hex(&oi->oid), 
> ref->refname);
> +             }
> +             grab_values(ref->value, deref, *obj, oi->content, oi->size);
> +     }
> +
> +     grab_common_values(ref->value, deref, oi);
>       if (!eaten)
> -             free(buf);
> -     return ret;
> +             free(oi->content);
> +     return 0;
>  }

Reply via email to