Tests: Add "libc-wrapper" ust regression test

[lttng-tools.git] / tests / regression / ust / libc-wrapper / prog.c

diff --git a/tests/regression/ust/libc-wrapper/prog.c b/tests/regression/ust/libc-wrapper/prog.c
new file mode 100644 (file)
index 0000000..3068257
--- /dev/null
+++ b/tests/regression/ust/libc-wrapper/prog.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2009  Pierre-Marc Fournier
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* This program is used to test malloc instrumentation with libustinstr-malloc.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+
+#define N_ITER 1000
+
+int main()
+{
+       int i;
+       const char teststr[] = "Hello World! 1234567890abc";
+       void *ptrs[N_ITER];
+
+       for (i = 0; i < N_ITER; i++) {
+               ptrs[i] = malloc(i+1000);
+
+               memcpy(ptrs[i], teststr, sizeof(teststr));
+
+               if (i % 2 == 0) {
+                       free(ptrs[i]);
+               }
+       }
+
+       for (i = 0; i < N_ITER; i++) {
+               if (i % 2 == 1)
+                       free(ptrs[i]);
+       }
+
+       return 0;
+}