cppcheck/lib/checkdangerousfunctions.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2009 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//---------------------------------------------------------------------------
// Dangerous functions
//---------------------------------------------------------------------------
#include "checkdangerousfunctions.h"
//---------------------------------------------------------------------------
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// Register this check class (by creating a static instance of it)
namespace
{
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CheckDangerousFunctions instance;
}
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void CheckDangerousFunctions::dangerousFunctions()
{
for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next())
{
if (Token::simpleMatch(tok, "mktemp ("))
{
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dangerousFunctionmktemp(tok);
}
else if (Token::simpleMatch(tok, "gets ("))
{
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dangerousFunctiongets(tok);
}
else if (Token::simpleMatch(tok, "scanf ("))
{
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dangerousFunctionscanf(tok);
}
}
}
//---------------------------------------------------------------------------
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void CheckDangerousFunctions::dangerousFunctionmktemp(const Token *tok)
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{
reportError(tok, Severity::style, "dangerousFunctionmktemp", "Found 'mktemp'. You should use 'mkstemp' instead");
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}
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void CheckDangerousFunctions::dangerousFunctiongets(const Token *tok)
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{
reportError(tok, Severity::style, "dangerousFunctiongets", "Found 'gets'. You should use 'fgets' instead");
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}
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void CheckDangerousFunctions::dangerousFunctionscanf(const Token *tok)
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{
reportError(tok, Severity::style, "dangerousFunctionscanf", "Found 'scanf'. You should use 'fgets' instead");
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}