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/*
This file is part of the clazy static checker.
Copyright (C) 2018 Sergio Martins <smartins@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "raw-environment-function.h"
#include "clang/AST/Decl.h"
#include "clang/AST/Expr.h"
#include "clang/AST/Stmt.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Casting.h"
class ClazyContext;
using namespace clang;
using namespace std;
RawEnvironmentFunction::RawEnvironmentFunction(const std::string &name, ClazyContext *context)
: CheckBase(name, context)
{
}
void RawEnvironmentFunction::VisitStmt(clang::Stmt *stmt)
{
auto callexpr = dyn_cast<CallExpr>(stmt);
if (!callexpr)
return;
FunctionDecl *func = callexpr->getDirectCallee();
if (!func)
return;
StringRef funcName = func->getName();
if (func->getName() == "putenv")
emitWarning(stmt, "Prefer using qputenv instead of putenv");
if (funcName == "getenv")
emitWarning(stmt, "Prefer using qgetenv instead of getenv");
}
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