Method getUnsafeUsage

lib/ctu.cpp:477–500

}

std::list<CTU::FileInfo::UnsafeUsage> CTU::getUnsafeUsage(const Tokenizer &tokenizer, const Settings &settings, bool (*isUnsafeUsage)(const Settings &settings, const Token *argtok, CTU::FileInfo::Value *value))
{
    std::list<CTU::FileInfo::UnsafeUsage> unsafeUsage;

    // Parse all functions in TU
    const SymbolDatabase * const symbolDatabase = tokenizer.getSymbolDatabase();

    for (const Scope &scope : symbolDatabase->scopeList) {
        if (!scope.isExecutable() || scope.type != ScopeType::eFunction || !scope.function)
            continue;
        const Function *const function = scope.function;

        // "Unsafe" functions unconditionally reads data before it is written..
        for (int argnr = 0; argnr < function->argCount(); ++argnr) {
            for (const std::pair<const Token *, CTU::FileInfo::Value> &v : getUnsafeFunction(settings, &scope, argnr, isUnsafeUsage)) {
                const Token *tok = v.first;
                const MathLib::bigint val = v.second.value;
                unsafeUsage.emplace_back(CTU::getFunctionId(tokenizer, function), argnr+1, tok->str(), CTU::FileInfo::Location(tokenizer,tok), val);
            }
        }
    }

    return unsafeUsage;
}

static bool findPath(const std::string &callId,
                     nonneg int callArgNr,