aboutsummaryrefslogtreecommitdiff
path: root/test/asan/TestCases/Windows/free_hook_realloc.cc
diff options
context:
space:
mode:
Diffstat (limited to 'test/asan/TestCases/Windows/free_hook_realloc.cc')
-rw-r--r--test/asan/TestCases/Windows/free_hook_realloc.cc37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/asan/TestCases/Windows/free_hook_realloc.cc b/test/asan/TestCases/Windows/free_hook_realloc.cc
new file mode 100644
index 000000000000..297218bf8e99
--- /dev/null
+++ b/test/asan/TestCases/Windows/free_hook_realloc.cc
@@ -0,0 +1,37 @@
+// Check that free hook doesn't conflict with Realloc.
+// RUN: %clangxx_asan -O2 %s -o %t
+// RUN: %run %t 2>&1 | FileCheck %s
+
+// FIXME: merge this with the common free_hook_realloc test when we can run
+// common tests on Windows.
+
+#include <stdlib.h>
+#include <io.h>
+#include <sanitizer/allocator_interface.h>
+
+static void *glob_ptr;
+
+extern "C" {
+void __sanitizer_free_hook(const volatile void *ptr) {
+ if (ptr == glob_ptr) {
+ *(int*)ptr = 0;
+ write(1, "FreeHook\n", sizeof("FreeHook\n"));
+ }
+}
+}
+
+int main() {
+ int *x = (int*)malloc(100);
+ x[0] = 42;
+ glob_ptr = x;
+ int *y = (int*)realloc(x, 200);
+ // Verify that free hook was called and didn't spoil the memory.
+ if (y[0] != 42) {
+ _exit(1);
+ }
+ write(1, "Passed\n", sizeof("Passed\n"));
+ free(y);
+ // CHECK: FreeHook
+ // CHECK: Passed
+ return 0;
+}