Function git_attr_internal

attr.c:233–256

* Given a 'name', lookup and return the corresponding attribute in the global * dictionary. If no entry is found, create a new attribute and store it in * the dictionary. */

 * the dictionary.
 */
static const struct git_attr *git_attr_internal(const char *name, size_t namelen)
{
	struct git_attr *a;

	if (!attr_name_valid(name, namelen))
		return NULL;

	hashmap_lock(&g_attr_hashmap);

	a = attr_hashmap_get(&g_attr_hashmap, name, namelen);

	if (!a) {
		FLEX_ALLOC_MEM(a, name, name, namelen);
		a->attr_nr = hashmap_get_size(&g_attr_hashmap.map);

		attr_hashmap_add(&g_attr_hashmap, a->name, namelen, a);
		if (a->attr_nr != hashmap_get_size(&g_attr_hashmap.map) - 1)
			die(_("unable to add additional attribute"));
	}

	hashmap_unlock(&g_attr_hashmap);

	return a;
}

const struct git_attr *git_attr(const char *name)
{