1 files changed, 64 insertions, 0 deletions
diff --git a/sendmail/libsm/t-heap.c b/sendmail/libsm/t-heap.c
new file mode 100644
index 0000000..7ddb60d
--- /dev/null
+++ b/sendmail/libsm/t-heap.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
+ *	All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ */
+
+#include <sm/gen.h>
+SM_IDSTR(id, "@(#)$Id: t-heap.c,v 1.10 2001/09/11 04:04:49 gshapiro Exp $")
+
+#include <sm/debug.h>
+#include <sm/heap.h>
+#include <sm/io.h>
+#include <sm/test.h>
+#include <sm/xtrap.h>
+
+#if SM_HEAP_CHECK
+extern SM_DEBUG_T SmHeapCheck;
+# define HEAP_CHECK sm_debug_active(&SmHeapCheck, 1)
+#else /* SM_HEAP_CHECK */
+# define HEAP_CHECK 0
+#endif /* SM_HEAP_CHECK */
+
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	void *p;
+
+	sm_test_begin(argc, argv, "test heap handling");
+	if (argc > 1)
+		sm_debug_addsettings_x(argv[1]);
+
+	p = sm_malloc(10);
+	SM_TEST(p != NULL);
+	p = sm_realloc_x(p, 20);
+	SM_TEST(p != NULL);
+	p = sm_realloc(p, 30);
+	SM_TEST(p != NULL);
+	if (HEAP_CHECK)
+	{
+		sm_dprintf("heap with 1 30-byte block allocated:\n");
+		sm_heap_report(smioout, 3);
+	}
+
+	if (HEAP_CHECK)
+	{
+		sm_free(p);
+		sm_dprintf("heap with 0 blocks allocated:\n");
+		sm_heap_report(smioout, 3);
+		sm_dprintf("xtrap count = %d\n", SmXtrapCount);
+	}
+
+#if DEBUG
+	/* this will cause a core dump */
+	sm_dprintf("about to free %p for the second time\n", p);
+	sm_free(p);
+#endif /* DEBUG */
+
+	return sm_test_end();
+}