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C++: Do not alert on unreachable code in cpp/incorrect-string-type-conversion

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This commit is contained in:
Jeroen Ketema
2025-07-10 11:47:00 +02:00
parent 2907861075
commit 399967b507
3 changed files with 5 additions and 3 deletions
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2
cpp/ql/test/query-tests/Security/CWE/CWE-704/WcharCharConversion.cpp
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@@ -118,7 +118,7 @@ size_t strlen(const char* str);
template<typename C>
size_t str_len(const C *str) {
if (sizeof(C) != 1) {
return wcslen((const wchar_t *)str); // $ SPURIOUS: Alert
return wcslen((const wchar_t *)str); // GOOD -- unreachable code
}
return strlen((const char *)str);

1
cpp/ql/test/query-tests/Security/CWE/CWE-704/WcharCharConversion.expected
View File

@@ -11,5 +11,4 @@
| WcharCharConversion.cpp:103:21:103:26 | buffer | Conversion from LPTSTR to LPWSTR. Use of invalid string can lead to undefined behavior. |
| WcharCharConversion.cpp:106:21:106:26 | buffer | Conversion from LPTSTR to LPWSTR. Use of invalid string can lead to undefined behavior. |
| WcharCharConversion.cpp:110:20:110:25 | buffer | Conversion from LPTSTR to LPWSTR. Use of invalid string can lead to undefined behavior. |
| WcharCharConversion.cpp:121:34:121:36 | str | Conversion from const char * to const wchar_t *. Use of invalid string can lead to undefined behavior. |
| WcharCharConversion.cpp:130:34:130:36 | str | Conversion from const char * to const wchar_t *. Use of invalid string can lead to undefined behavior. |