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authorAlexander Kornienko <alexfh@google.com>2018-02-28 23:30:29 +0000
committerAlexander Kornienko <alexfh@google.com>2018-02-28 23:30:29 +0000
commitcb6d32034514bcdd152a95684ed309149f06070d (patch)
tree5f755c450fb834f7a0b1837eacf42743efed5cb1 /clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp
parentff9595a002d48a4470f0518c26920fab39e2f62c (diff)
downloadbcm5719-llvm-cb6d32034514bcdd152a95684ed309149f06070d.tar.gz
bcm5719-llvm-cb6d32034514bcdd152a95684ed309149f06070d.zip
Rename more checks from misc- to bugprone-.
Summary: clang-tidy/rename_check.py {misc,bugprone}-string-integer-assignment clang-tidy/rename_check.py {misc,bugprone}-string-literal-with-embedded-nul clang-tidy/rename_check.py {misc,bugprone}-suspicious-enum-usage clang-tidy/rename_check.py {misc,bugprone}-suspicious-missing-comma Reviewers: hokein, sammccall, aaron.ballman Subscribers: klimek, cfe-commits, mgorny Differential Revision: https://reviews.llvm.org/D43868 llvm-svn: 326384
Diffstat (limited to 'clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp')
-rw-r--r--clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp b/clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp
new file mode 100644
index 00000000000..f939f5282eb
--- /dev/null
+++ b/clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp
@@ -0,0 +1,85 @@
+// RUN: %check_clang_tidy %s bugprone-string-literal-with-embedded-nul %t
+
+namespace std {
+template <typename T>
+class allocator {};
+template <typename T>
+class char_traits {};
+template <typename C, typename T, typename A>
+struct basic_string {
+ typedef basic_string<C, T, A> _Type;
+ basic_string();
+ basic_string(const C *p, const A &a = A());
+
+ _Type& operator+=(const C* s);
+ _Type& operator=(const C* s);
+};
+
+typedef basic_string<char, std::char_traits<char>, std::allocator<char>> string;
+typedef basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t>> wstring;
+}
+
+bool operator==(const std::string&, const char*);
+bool operator==(const char*, const std::string&);
+
+
+const char Valid[] = "This is valid \x12.";
+const char Strange[] = "This is strange \0x12 and must be fixed";
+// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: suspicious embedded NUL character [bugprone-string-literal-with-embedded-nul]
+
+const char textA[] = "\0x01\0x02\0x03\0x04";
+// CHECK-MESSAGES: :[[@LINE-1]]:22: warning: suspicious embedded NUL character
+const wchar_t textW[] = L"\0x01\0x02\0x03\0x04";
+// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: suspicious embedded NUL character
+
+const char A[] = "\0";
+const char B[] = "\0x";
+const char C[] = "\0x1";
+const char D[] = "\0x11";
+// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: suspicious embedded NUL character
+
+const wchar_t E[] = L"\0";
+const wchar_t F[] = L"\0x";
+const wchar_t G[] = L"\0x1";
+const wchar_t H[] = L"\0x11";
+// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: suspicious embedded NUL character
+
+const char I[] = "\000\000\000\000";
+const char J[] = "\0\0\0\0\0\0";
+const char K[] = "";
+
+const char L[] = "\0x12" "\0x12" "\0x12" "\0x12";
+// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: suspicious embedded NUL character
+
+void TestA() {
+ std::string str1 = "abc\0def";
+ // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: truncated string literal
+ std::string str2 = "\0";
+ // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: truncated string literal
+ std::string str3("\0");
+ // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: truncated string literal
+ std::string str4{"\x00\x01\x02\x03"};
+ // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: truncated string literal
+
+ std::string str;
+ str += "abc\0def";
+ // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: truncated string literal
+ str = "abc\0def";
+ // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: truncated string literal
+
+ if (str == "abc\0def") return;
+ // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: truncated string literal
+ if ("abc\0def" == str) return;
+ // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: truncated string literal
+}
+
+void TestW() {
+ std::wstring str1 = L"abc\0def";
+ // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: truncated string literal
+ std::wstring str2 = L"\0";
+ // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: truncated string literal
+ std::wstring str3(L"\0");
+ // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: truncated string literal
+ std::wstring str4{L"\x00\x01\x02\x03"};
+ // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: truncated string literal
+}
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