From 6b72a51b173424324e671fae05e11984c0ed308a Mon Sep 17 00:00:00 2001
From: Tim Edwards <tim@opencircuitdesign.com>
Date: Wed, 24 Nov 2021 10:00:15 -0500
Subject: [PATCH] Fixed a segfault condition if doing "splitpaint" on a
 zero-area rectangle.  Likewise, this also fixes an unexpected result when
 doing "spliterase" on a zero-area rectangle (which does not cause a segfault,
 but is not what one would want magic to do).

---
 VERSION          | 2 +-
 commands/CmdRS.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/VERSION b/VERSION
index 0f142183..df1e6b6d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.230
+8.3.231
diff --git a/commands/CmdRS.c b/commands/CmdRS.c
index 95c7a05e..b9d43b1d 100644
--- a/commands/CmdRS.c
+++ b/commands/CmdRS.c
@@ -2735,6 +2735,8 @@ CmdSplit(w, cmd)
     if ((direction = GeoNameToPos(cmd->tx_argv[1], FALSE, TRUE)) < 0)
 	return;
 
+    if (GEO_RECTNULL(&editRect)) return;	    /* Nothing to do */
+
     if (cmd->tx_argc == 4)
     {
 	if (!CmdParseLayers(cmd->tx_argv[3], &mask2))
@@ -2824,6 +2826,8 @@ CmdSplitErase(w, cmd)
 
     if (!ToolGetEditBox(&editRect)) return;
 
+    if (GEO_RECTNULL(&editRect)) return;	    /* Nothing to do */
+
     if ((direction = GeoNameToPos(cmd->tx_argv[1], FALSE, TRUE)) < 0)
 	return;