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
