diff options
| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2014-03-28 11:21:45 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2014-03-28 11:21:45 +0000 |
| commit | 92bee36b3efa2e7fd23f661412fb75c8fff0151e (patch) | |
| tree | 1f628e234128ac4e3b84fc6a7cb8650d1ced4d32 /compiler-rt/test/msan | |
| parent | 74e77756ef83b61888e5ef1ca4f51b2d7275a826 (diff) | |
| download | bcm5719-llvm-92bee36b3efa2e7fd23f661412fb75c8fff0151e.tar.gz bcm5719-llvm-92bee36b3efa2e7fd23f661412fb75c8fff0151e.zip | |
[sanitizer] Intercept rand_r.
llvm-svn: 205001
Diffstat (limited to 'compiler-rt/test/msan')
| -rw-r--r-- | compiler-rt/test/msan/rand_r.cc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/compiler-rt/test/msan/rand_r.cc b/compiler-rt/test/msan/rand_r.cc new file mode 100644 index 00000000000..57574f00b58 --- /dev/null +++ b/compiler-rt/test/msan/rand_r.cc @@ -0,0 +1,18 @@ +// RUN: %clangxx_msan -m64 -O0 -g %s -o %t && %t +// RUN: %clangxx_msan -m64 -O0 -g -DUNINIT %s -o %t && not %t 2>&1 | FileCheck %s + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> + +int main(void) { + unsigned seed; +#ifndef UNINIT + seed = 42; +#endif + int v = rand_r(&seed); + // CHECK: MemorySanitizer: use-of-uninitialized-value + // CHECK: in main{{.*}}rand_r.cc:[[@LINE-2]] + if (v) printf(".\n"); + return 0; +} |
