diff options
Diffstat (limited to 'test/asan/TestCases/Windows/free_hook_realloc.cc')
-rw-r--r-- | test/asan/TestCases/Windows/free_hook_realloc.cc | 37 |
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; +} |