vendor/compiler-rt/compiler-rt-r224034

1 files changed, 25 insertions, 0 deletions

diff --git a/test/asan/TestCases/printf-1.c b/test/asan/TestCases/printf-1.c
new file mode 100644
index 0000000000000..5657083c58653
--- /dev/null
+++ b/test/asan/TestCases/printf-1.c
@@ -0,0 +1,25 @@
+// RUN: %clang_asan -O2 %s -o %t
+// RUN: env ASAN_OPTIONS=check_printf=1 %run %t 2>&1 | FileCheck %s
+// RUN: env ASAN_OPTIONS=check_printf=0 %run %t 2>&1 | FileCheck %s
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include <stdio.h>
+#if defined(_WIN32)
+# define snprintf _snprintf
+#endif
+
+int main() {
+  volatile char c = '0';
+  volatile int x = 12;
+  volatile float f = 1.239;
+  volatile char s[] = "34";
+  // Check that printf works fine under Asan.
+  printf("%c %d %.3f %s\n", c, x, f, s);
+  // CHECK: 0 12 1.239 34
+  // Check that snprintf works fine under Asan.
+  char buf[4];
+  snprintf(buf, 1000, "qwe");
+  printf("%s\n", buf);
+  // CHECK: qwe
+  return 0;
+}