26 lines · c
1// RUN: %clang_asan -O2 %s -o %t2// RUN: %env_asan_opts=check_printf=1 %run %t 2>&1 | FileCheck %s3// RUN: %env_asan_opts=check_printf=0 %run %t 2>&1 | FileCheck %s4// RUN: %run %t 2>&1 | FileCheck %s5 6#include <stdio.h>7#if defined(_WIN32)8# define snprintf _snprintf9#endif10 11int 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 3419 // Check that snprintf works fine under Asan.20 char buf[4];21 snprintf(buf, 1000, "qwe");22 printf("%s\n", buf);23 // CHECK: qwe24 return 0;25}26