19f20d670SAlexey Samsonov // RUN: %clang_asan -O2 %s -o %t 2*85220d02SReid Kleckner // RUN: %env_asan_opts=check_printf=1 %run %t 2>&1 | FileCheck %s 3*85220d02SReid Kleckner // RUN: %env_asan_opts=check_printf=0 %run %t 2>&1 | FileCheck %s 4b8aae540SGreg Fitzgerald // RUN: %run %t 2>&1 | FileCheck %s 59f20d670SAlexey Samsonov 69f20d670SAlexey Samsonov #include <stdio.h> 77f291813STimur Iskhodzhanov #if defined(_WIN32) 87f291813STimur Iskhodzhanov # define snprintf _snprintf 97f291813STimur Iskhodzhanov #endif 107f291813STimur Iskhodzhanov main()119f20d670SAlexey Samsonovint main() { 129f20d670SAlexey Samsonov volatile char c = '0'; 139f20d670SAlexey Samsonov volatile int x = 12; 149f20d670SAlexey Samsonov volatile float f = 1.239; 159f20d670SAlexey Samsonov volatile char s[] = "34"; 169f20d670SAlexey Samsonov // Check that printf works fine under Asan. 179f20d670SAlexey Samsonov printf("%c %d %.3f %s\n", c, x, f, s); 189f20d670SAlexey Samsonov // CHECK: 0 12 1.239 34 199f20d670SAlexey Samsonov // Check that snprintf works fine under Asan. 209f20d670SAlexey Samsonov char buf[4]; 219f20d670SAlexey Samsonov snprintf(buf, 1000, "qwe"); 229f20d670SAlexey Samsonov printf("%s\n", buf); 239f20d670SAlexey Samsonov // CHECK: qwe 249f20d670SAlexey Samsonov return 0; 259f20d670SAlexey Samsonov } 26