printf-1.c revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1// RUN: %clang_asan -O2 %s -o %t
2// RUN: env ASAN_OPTIONS=check_printf=1 %run %t 2>&1 | FileCheck %s
3// RUN: env ASAN_OPTIONS=check_printf=0 %run %t 2>&1 | FileCheck %s
4// RUN: %run %t 2>&1 | FileCheck %s
5
6#include <stdio.h>
7int main() {
8  volatile char c = '0';
9  volatile int x = 12;
10  volatile float f = 1.239;
11  volatile char s[] = "34";
12  // Check that printf works fine under Asan.
13  printf("%c %d %.3f %s\n", c, x, f, s);
14  // CHECK: 0 12 1.239 34
15  // Check that snprintf works fine under Asan.
16  char buf[4];
17  snprintf(buf, 1000, "qwe");
18  printf("%s\n", buf);
19  // CHECK: qwe
20  return 0;
21}
22