From 82f6ec09bd0e781f3be62853da77ce4c334bf0e4 Mon Sep 17 00:00:00 2001
From: Philip Chimento <philip.chimento@gmail.com>
Date: Wed, 24 Dec 2008 22:14:03 +0000
Subject: [PATCH] Fixed a segfault when opening an invalid window.

git-svn-id: http://lassie.dyndns-server.com/svn/gargoyle-gtk@17 ddfedd41-794f-dd11-ae45-00112f111e67
---
 src/Makefile.am |  6 +++++-
 src/gridtest.c  | 12 ++++++++++++
 src/main.c      |  2 +-
 src/window.c    |  2 ++
 4 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 src/gridtest.c

diff --git a/src/Makefile.am b/src/Makefile.am
index ee0385c..488abd5 100755
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -39,7 +39,7 @@ libchimara_la_LDFLAGS = -no-undefined -export-symbols-regex "^chimara_glk_.*|^gl
 libchimara_includedir = $(includedir)/chimara/chimara
 libchimara_include_HEADERS = chimara-glk.h
 
-pkglib_LTLIBRARIES = first.la model.la
+pkglib_LTLIBRARIES = first.la model.la gridtest.la
 
 first_la_SOURCES = first.c
 first_la_LIBADD = libchimara.la
@@ -49,6 +49,10 @@ model_la_SOURCES = model.c
 model_la_LIBADD = libchimara.la
 model_la_LDFLAGS = -module -avoid-version
 
+gridtest_la_SOURCES = gridtest.c
+gridtest_la_LIBADD = libchimara.la
+gridtest_la_LDFLAGS = -module -avoid-version
+
 CLEANFILES = chimara.ui
 
 chimara.ui: chimara.glade
diff --git a/src/gridtest.c b/src/gridtest.c
new file mode 100644
index 0000000..1f81736
--- /dev/null
+++ b/src/gridtest.c
@@ -0,0 +1,12 @@
+#include "glk.h"
+
+void glk_main(void)
+{
+    winid_t mainwin = glk_window_open(0, 0, 0, wintype_TextGrid, 0);
+    if(!mainwin)
+        return;
+    
+    glk_set_window(mainwin);
+    glk_put_string("Philip en Marijn zijn vet goed.\n");
+    glk_put_string("A veeeeeeeeeeeeeeeeeeeeeeeeeeeery looooooooooooooooooooooooong striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing\n");
+}
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index 324e49e..fd2700d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -115,7 +115,7 @@ main(int argc, char *argv[])
 
 	g_object_unref( G_OBJECT(builder) );
 
-    if( !chimara_glk_run(CHIMARA_GLK(glk), ".libs/first.so", &error) ) {
+    if( !chimara_glk_run(CHIMARA_GLK(glk), ".libs/gridtest.so", &error) ) {
         error_dialog(GTK_WINDOW(window), error, "Error starting Glk library: ");
         return 1;
     }
diff --git a/src/window.c b/src/window.c
index 16927ca..5b6b621 100644
--- a/src/window.c
+++ b/src/window.c
@@ -243,6 +243,8 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype,
 			gdk_threads_leave();
 			g_warning("%s: unsupported window type", __func__);
 			g_free(win);
+			g_node_destroy(glk_data->root_window);
+			glk_data->root_window = NULL;
 			return NULL;
 	}
 
-- 
2.30.2