1 // RUN: %clang_asan -O2 %s -o %t
2 // RUN: %env_asan_opts=check_printf=1 %run %t 2>&1 | FileCheck %s
3 // RUN: %env_asan_opts=check_printf=0 %run %t 2>&1 | FileCheck %s
4 // RUN: %run %t 2>&1 | FileCheck %s
5 
6 #include <stdio.h>
7 #if defined(_WIN32)
8 # define snprintf _snprintf
9 #endif
10 
11 int main() {
12   volatile char c = '0';
13   volatile int x = 12;
14   volatile float f = 1.239;
15   volatile char s[] = "34";
16   // Check that printf works fine under Asan.
17   printf("%c %d %.3f %s\n", c, x, f, s);
18   // CHECK: 0 12 1.239 34
19   // Check that snprintf works fine under Asan.
20   char buf[4];
21   snprintf(buf, 1000, "qwe");
22   printf("%s\n", buf);
23   // CHECK: qwe
24   return 0;
25 }
26