Fix and simplify sfrestore

Use a scratch buffer for each screen, this simplifies a lot allocations
and iterations, and allows restoring screens that contain more than one
frame.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/data.h b/src/data.h
index 8019ec8..eb662ce 100644
--- a/src/data.h
+++ b/src/data.h
@@ -197,6 +197,9 @@ struct rp_screen
   /* This structure can exist in a list. */
   struct list_head node;
 
+  /* Used by sfrestore */
+  struct sbuf *scratch_buffer;
+
 #ifdef USE_XFT_FONT
   XftFont *xft_font;
   XftColor xft_fg_color, xft_bg_color;