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-rw-r--r--tests/lib/test_segv.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/lib/test_segv.c b/tests/lib/test_segv.c
new file mode 100644
index 0000000..92c9f7a
--- /dev/null
+++ b/tests/lib/test_segv.c
@@ -0,0 +1,80 @@
+/*
+ * SEGV / backtrace handling test.
+ *
+ * copied from test-sig.c
+ *
+ * Copyright (C) 2013 by David Lamparter, Open Source Routing.
+ * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This file is part of Quagga
+ *
+ * Quagga is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * Quagga is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+#include <sigevent.h>
+#include "lib/log.h"
+#include "lib/memory.h"
+
+struct frr_signal_t sigs[] = {};
+
+struct thread_master *master;
+
+void func1(int *arg);
+void func3(void);
+
+void func1(int *arg)
+{
+ int *null = NULL;
+ *null += 1;
+ *arg = 1;
+}
+
+static void func2(size_t depth, int *arg)
+{
+ /* variable stack frame size */
+ int buf[depth];
+ for (size_t i = 0; i < depth; i++)
+ buf[i] = arg[i] + 1;
+ if (depth > 0)
+ func2(depth - 1, buf);
+ else
+ func1(&buf[0]);
+ for (size_t i = 0; i < depth; i++)
+ buf[i] = arg[i] + 2;
+}
+
+void func3(void)
+{
+ int buf[6];
+ func2(6, buf);
+}
+
+static void threadfunc(struct thread *thread)
+{
+ func3();
+}
+
+int main(void)
+{
+ master = thread_master_create(NULL);
+ signal_init(master, array_size(sigs), sigs);
+
+ zlog_aux_init("NONE: ", LOG_DEBUG);
+
+ thread_execute(master, threadfunc, 0, 0);
+
+ exit(0);
+}