From e3ab569f35cc0e509d8efa761dbdc3f2daf26ed2 Mon Sep 17 00:00:00 2001
From: Stefan Frederik <stefan.schippers@gmail.com>
Date: Sat, 4 Dec 2021 01:45:26 +0100
Subject: [PATCH] fix: xctx->inst_redraw_table can not be static, must be
 dinamically allocated.

---
 src/move.c   | 8 +++++++-
 src/xinit.c  | 4 +++-
 src/xschem.h | 3 ++-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/move.c b/src/move.c
index fee089c4..532a22d3 100644
--- a/src/move.c
+++ b/src/move.c
@@ -487,11 +487,13 @@ void find_inst_to_be_redrawn(int what)
   int i, n, p, rects;
   xSymbol * sym;
   xInstance * const inst = xctx->inst;
+
   int s_pnetname = tclgetboolvar("show_pin_net_names");
 
   dbg(1,"find_inst_to_be_redrawn(): what=%d\n", what);
   if(what & 16) {
-    memset(xctx->inst_redraw_table, 0, HASHSIZE * sizeof(unsigned char));
+    my_free(1202, &xctx->inst_redraw_table);
+    xctx->inst_redraw_table_size = 0;
     int_hash_free(xctx->node_redraw_table);
     return;
   }
@@ -521,6 +523,10 @@ void find_inst_to_be_redrawn(int what)
       }
     } /* if(!(what & 8)) */
   
+    if(!xctx->inst_redraw_table || xctx->instances > xctx->inst_redraw_table_size) {
+      my_realloc(1203, &xctx->inst_redraw_table, xctx->instances * sizeof(unsigned char));
+      xctx->inst_redraw_table_size = xctx->instances;
+    }
     for(i=0; i < xctx->instances; i++) {
       sym = xctx->inst[i].ptr + xctx->sym;
       rects = sym->rects[PINLAYER];
diff --git a/src/xinit.c b/src/xinit.c
index f2a39d39..6a344516 100644
--- a/src/xinit.c
+++ b/src/xinit.c
@@ -367,6 +367,7 @@ void free_xschem_data()
   my_free(1121, &xctx->active_layer);
   my_free(1295, &xctx->top_path);
   my_free(1120, &xctx->fill_type);
+  if(xctx->inst_redraw_table) my_free(604, &xctx->inst_redraw_table);
   my_free(269, &xctx);
 }
 
@@ -456,7 +457,8 @@ void alloc_xschem_data(const char *top_path)
   memset(xctx->node_table, 0, HASHSIZE * sizeof(struct node_hashentry *));
   memset(xctx->hilight_table, 0, HASHSIZE *sizeof(struct hilight_hashentry *));
   memset(xctx->node_redraw_table, 0, HASHSIZE * sizeof(struct int_hashentry *));
-  memset(xctx->inst_redraw_table, 0, HASHSIZE * sizeof(unsigned char));
+  xctx->inst_redraw_table = NULL;
+  xctx->inst_redraw_table_size = 0;
   xctx->window = xctx->save_pixmap = 0;
   xctx->xrect[0].width = xctx->xrect[0].height = xctx->xrect[0].x = xctx->xrect[0].y = 0;
   xctx->xschem_w = xctx->xschem_h = 0;
diff --git a/src/xschem.h b/src/xschem.h
index beefd45d..0f39b32f 100644
--- a/src/xschem.h
+++ b/src/xschem.h
@@ -637,7 +637,8 @@ typedef struct {
   /* list of nodes, instances attached to these need redraw */
   struct int_hashentry *node_redraw_table[HASHSIZE];
   /* list of instances, collected using previous table, that need redraw */
-  unsigned char inst_redraw_table[HASHSIZE];
+  unsigned char *inst_redraw_table;
+  int inst_redraw_table_size;
   double rx1, rx2, ry1, ry2;
   short move_rot;
   short move_flip;