From 9e6ad3dffc867be36f758f593c2db78cef3d0250 Mon Sep 17 00:00:00 2001
From: Stephen Swaney <sswaney@centurytel.net>
Date: Sat, 13 Aug 2005 17:20:46 +0000
Subject: [PATCH] bugfix #2931  crash if $HOME not set

unchecked pointer returned from BLI_gethome().
---
 source/blender/python/api2_2x/EXPP_interface.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/source/blender/python/api2_2x/EXPP_interface.c b/source/blender/python/api2_2x/EXPP_interface.c
index f6ad76b0515..48448347559 100644
--- a/source/blender/python/api2_2x/EXPP_interface.c
+++ b/source/blender/python/api2_2x/EXPP_interface.c
@@ -69,8 +69,15 @@ char *bpy_gethome(int append_scriptsdir)
 	else if (homedir[0] != '\0')
 		return homedir;
 
+	/* BLI_gethome() can return NULL if env vars are not set */
 	s = BLI_gethome();
 
+	if( !s )  /* bail if no $HOME */
+	{
+		printf("$HOME is NOT set\n");
+		return NULL;
+	}
+
 	if( strstr( s, ".blender" ) )
 		PyOS_snprintf( homedir, FILE_MAXDIR, s );
 	else