Function read_blob_data_from_index

read-cache.c:3461–3495

}

void *read_blob_data_from_index(struct index_state *istate,
				const char *path, unsigned long *size)
{
	int pos, len;
	size_t sz;
	enum object_type type;
	void *data;

	len = strlen(path);
	pos = index_name_pos(istate, path, len);
	if (pos < 0) {
		/*
		 * We might be in the middle of a merge, in which
		 * case we would read stage #2 (ours).
		 */
		int i;
		for (i = -pos - 1;
		     (pos < 0 && i < istate->cache_nr &&
		      !strcmp(istate->cache[i]->name, path));
		     i++)
			if (ce_stage(istate->cache[i]) == 2)
				pos = i;
	}
	if (pos < 0)
		return NULL;
	data = odb_read_object(the_repository->objects, &istate->cache[pos]->oid,
			       &type, &sz);
	if (!data || type != OBJ_BLOB) {
		free(data);
		return NULL;
	}
	if (size)
		*size = cast_size_t_to_ulong(sz);
	return data;
}

void move_index_extensions(struct index_state *dst, struct index_state *src)
{