From 9d9caf28cdbe4cac38f7bbd0df16535426d1e34b Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Tue, 2 Jun 2020 22:55:01 -0400
Subject: [PATCH] notcurses_debug: show binding information #656

---
 src/lib/debug.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lib/debug.c b/src/lib/debug.c
index c15d90432..1a3e75856 100644
--- a/src/lib/debug.c
+++ b/src/lib/debug.c
@@ -9,6 +9,13 @@ void notcurses_debug(notcurses* nc, FILE* debugfp){
     fprintf(debugfp, "%04d off y: %3d x: %3d geom y: %3d x: %3d curs y: %3d x: %3d %s %p\n",
             planeidx, n->absy, n->absx, n->leny, n->lenx, n->y, n->x,
             n == notcurses_stdplane_const(nc) ? "std" : "   ", n);
+    if(n->bound || n->bnext || n->blist){
+      fprintf(debugfp, " bound to %p, next bound %p, bind %p\n",
+              n->bound, n->bnext, n->blist);
+    }
+    if(n->bound == n || n->bnext == n || n->blist == n){
+      fprintf(debugfp, "WARNING: bound pointers target self\n");
+    }
     if(n->above != prev){
       fprintf(stderr, " WARNING: expected ->above %p, got %p\n", prev, n->above);
     }