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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmWriteFileCommand.h"
#include <cmsys/FStream.hxx>
#include <sys/types.h>
#include <sys/stat.h>
// cmLibraryCommand
bool cmWriteFileCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 2 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::string message;
std::vector<std::string>::const_iterator i = args.begin();
std::string fileName = *i;
bool overwrite = true;
i++;
for(;i != args.end(); ++i)
{
if ( *i == "APPEND" )
{
overwrite = false;
}
else
{
message += *i;
}
}
if ( !this->Makefile->CanIWriteThisFile(fileName.c_str()) )
{
std::string e = "attempted to write a file: " + fileName
+ " into a source directory.";
this->SetError(e);
cmSystemTools::SetFatalErrorOccured();
return false;
}
std::string dir = cmSystemTools::GetFilenamePath(fileName);
cmSystemTools::MakeDirectory(dir.c_str());
mode_t mode = 0;
// Set permissions to writable
if ( cmSystemTools::GetPermissions(fileName.c_str(), mode) )
{
cmSystemTools::SetPermissions(fileName.c_str(),
#if defined( _MSC_VER ) || defined( __MINGW32__ )
mode | S_IWRITE
#else
mode | S_IWUSR | S_IWGRP
#endif
);
}
// If GetPermissions fails, pretend like it is ok. File open will fail if
// the file is not writable
cmsys::ofstream file(fileName.c_str(),
overwrite?std::ios::out : std::ios::app);
if ( !file )
{
std::string error = "Internal CMake error when trying to open file: ";
error += fileName.c_str();
error += " for writing.";
this->SetError(error);
return false;
}
file << message << std::endl;
file.close();
if(mode)
{
cmSystemTools::SetPermissions(fileName.c_str(), mode);
}
return true;
}
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