Add internal hb_buffer_t::get_scratch_buffer()
diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 8f2095a..a4d7b8f 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -135,6 +135,8 @@
{ return likely (size <= allocated) ? TRUE : enlarge (size); }
HB_INTERNAL bool make_room_for (unsigned int num_in, unsigned int num_out);
+
+ HB_INTERNAL void *get_scratch_buffer (unsigned int *size);
};
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index ea05307..968e673 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -135,6 +135,16 @@
return TRUE;
}
+void *
+hb_buffer_t::get_scratch_buffer (unsigned int *size)
+{
+ have_output = FALSE;
+ have_positions = FALSE;
+ out_len = 0;
+ *size = allocated * sizeof (pos[0]);
+ return pos;
+}
+
/* HarfBuzz-Internal API */
