#include <stdio.h> #include <io.h> #include <fcntl.h> #include <fstream> #include <windows.h> void func_fopen() { FILE *f1 = fopen("dummy.txt", "rt"); // expected-warning {{Usage of ASCII file functions (here fopen) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} FILE *f2; fopen_s(&f2, "dummy.txt", "rt"); // expected-warning {{Usage of ASCII file functions (here fopen_s) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} int fh1 = _open("dummy.txt", _O_RDONLY); // expected-warning {{Usage of ASCII file functions (here _open) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} int fh2 = open("dummy.txt", _O_RDONLY); // expected-warning {{Usage of ASCII file functions (here open) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} int fh3 = _sopen("dummy.txt", _O_RDONLY, _SH_DENYRW); // expected-warning {{Usage of ASCII file functions (here _sopen) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} int fd4; errno_t err = _sopen_s(&fd4, "dummy.txt", _O_RDONLY, _SH_DENYRW, 0); // expected-warning {{Usage of ASCII file functions (here _sopen_s) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} std::fstream fs1; fs1.open("dummy.txt"); // expected-warning {{Usage of ASCII file functions (here open) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} std::ifstream ifs1; ifs1.open("dummy.txt"); // expected-warning {{Usage of ASCII file functions (here open) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} std::ofstream ofs1; ofs1.open("dummy.txt"); // expected-warning {{Usage of ASCII file functions (here open) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} #ifdef _MSC_VER std::fstream fs2; fs2.open(L"dummy.txt"); std::ifstream ifs2; ifs2.open(L"dummy.txt"); std::ofstream ofs2; ofs2.open(L"dummy.txt"); #endif LPOFSTRUCT buffer; HFILE hFile1 = OpenFile("dummy.txt", buffer, OF_READ); // expected-warning {{Usage of ASCII file functions (here OpenFile) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} #ifndef UNICODE // CreateFile is just an alias of CreateFileA LPCSTR buffer2; HANDLE hFile2 = CreateFile(buffer2, GENERIC_WRITE, 0, NULL, CREATE_NEW, // expected-warning {{Usage of ASCII file functions (here CreateFileA) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} FILE_ATTRIBUTE_NORMAL, NULL); #else // CreateFile is just an alias of CreateFileW and should not be matched LPCWSTR buffer2; HANDLE hFile2 = CreateFile(buffer2, GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL); #endif LPCSTR buffer3; HANDLE hFile3 = CreateFileA(buffer3, GENERIC_WRITE, 0, NULL, CREATE_NEW, // expected-warning {{Usage of ASCII file functions (here CreateFileA) is forbidden on Windows.}} expected-note {{On Windows executed functions: fopen, fopen_s, open, _open, _sopen, _sopen_s, OpenFile, CreateFileA should never be used due to lossy conversion from UTF8 to ANSI.}} FILE_ATTRIBUTE_NORMAL, NULL); }