From 53efa4c381a7d75beeef2bacc3359dea4f52ad31 Mon Sep 17 00:00:00 2001
From: Stefan Frederik <stefan.schippers@gmail.com>
Date: Fri, 26 Aug 2022 15:56:48 +0200
Subject: [PATCH] if ALt-x (compare schematics) is given before setting a
 compare filename, schematic is compared with saved version of itself

---
 src/xinit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/xinit.c b/src/xinit.c
index 21e60515..5676da9a 100644
--- a/src/xinit.c
+++ b/src/xinit.c
@@ -679,8 +679,8 @@ int compare_schematics(const char *f)
     my_strncpy(xctx->sch_to_compare, f, S(xctx->sch_to_compare));
   }
   if(!xctx->sch_to_compare[0]) {
-     dbg(0, "compare_schematics() schematic to compare with not set\n");
-     return -1;
+     my_strncpy(xctx->sch_to_compare, abs_sym_path(xctx->current_name, ""), S(xctx->sch_to_compare));
+     dbg(0, "Compare current schematic with saved version of itself!\n");
   }
 
   /* HASH SCHEMATIC 1 */