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Diffstat (limited to 'build/clang-plugin/tests/TestFopenUsage.cpp')
| -rw-r--r-- | build/clang-plugin/tests/TestFopenUsage.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestFopenUsage.cpp b/build/clang-plugin/tests/TestFopenUsage.cpp new file mode 100644 index 0000000000..19a89f88c9 --- /dev/null +++ b/build/clang-plugin/tests/TestFopenUsage.cpp @@ -0,0 +1,50 @@ +#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); +} |