[API} hb_buffer_get_glyph_{infos,positions}: Add length out parameter
Return the length, whenever we return an array. Makes it easier on the
language bindings.
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index b71aa57..596d38c 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -475,18 +475,26 @@
/* Return value valid as long as buffer not modified */
hb_glyph_info_t *
-hb_buffer_get_glyph_infos (hb_buffer_t *buffer)
+hb_buffer_get_glyph_infos (hb_buffer_t *buffer,
+ unsigned int *length)
{
+ if (length)
+ *length = buffer->len;
+
return (hb_glyph_info_t *) buffer->info;
}
/* Return value valid as long as buffer not modified */
hb_glyph_position_t *
-hb_buffer_get_glyph_positions (hb_buffer_t *buffer)
+hb_buffer_get_glyph_positions (hb_buffer_t *buffer,
+ unsigned int *length)
{
if (!buffer->have_positions)
_hb_buffer_clear_positions (buffer);
+ if (length)
+ *length = buffer->len;
+
return (hb_glyph_position_t *) buffer->pos;
}
