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Fix #12711 FN unusedVariable for std::*stringstream with constructor use #6600

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Merged
chrchr-github merged 3 commits into from
Jul 15, 2024
Merged

Fix #12711 FN unusedVariable for std::*stringstream with constructor use #6600

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076f647
Update std.cpp
chrchr-github Jul 15, 2024
afd602d
Update std.cfg
chrchr-github Jul 15, 2024
9a84843
Update std.cpp
chrchr-github Jul 15, 2024
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6 changes: 6 additions & 0 deletions cfg/std.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -8998,6 +8998,12 @@ initializer list (7) string& replace (const_iterator i1, const_iterator i2, init
<check>std::filesystem::filesystem_error</check>
<check>std::bad_variant_access</check>
<check>std::span</check>
<check>std::stringstream</check>
<check>std::wstringstream</check>
<check>std::istringstream</check>
<check>std::wistringstream</check>
<check>std::ostringstream</check>
<check>std::wostringstream</check>
</unusedvar>
<operatorEqVarError>
<suppress>std::mutex</suppress>
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10 changes: 10 additions & 0 deletions test/cfg/std.cpp
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Expand Up @@ -5128,3 +5128,13 @@ std::size_t variableScope_cstr(const char* p) {
}
return std::strlen(p);
}

void unusedvar_stringstream(const char* p)
{
// cppcheck-suppress unreadVariable
std::istringstream istr(p);
// cppcheck-suppress unreadVariable
std::ostringstream ostr(p);
// cppcheck-suppress unreadVariable
std::stringstream sstr(p);
}