Karthik Nayak <karthik....@gmail.com> writes:
> @@ -2586,13 +2649,15 @@ int sha1_object_info_extended(const unsigned char
> *sha1, struct object_info *oi,
> *(oi->disk_sizep) = 0;
> if (oi->delta_base_sha1)
> hashclr(oi->delta_base_sha1);
> + if (oi->typename)
> + strbuf_addstr(oi->typename, typename(co->type));
> oi->whence = OI_CACHED;
> return 0;
> }
Just before the pre-context of this hunk, there is this bit:
if (oi->typep)
*(oi->typep) = co->type;
which tells me that the callers of this function is allowed to pass
a NULL in oi->typep when they are not interested in the type of the
object.
> if (!find_pack_entry(real, &e)) {
> /* Most likely it's a loose object. */
> - if (!sha1_loose_object_info(real, oi)) {
> + if (!sha1_loose_object_info(real, oi, flags)) {
> oi->whence = OI_LOOSE;
> return 0;
> }
> @@ -2616,6 +2681,8 @@ int sha1_object_info_extended(const unsigned char
> *sha1, struct object_info *oi,
> oi->u.packed.is_delta = (rtype == OBJ_REF_DELTA ||
> rtype == OBJ_OFS_DELTA);
> }
> + if (oi->typename)
> + strbuf_addstr(oi->typename, typename(*oi->typep));
So, it makes me wonder what guarantee we have that this does not
dereference a NULL here.
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