138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
//
|
|
// Boost.Process
|
|
// ~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2006, 2007 Julio M. Merino Vidal
|
|
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
|
|
// Copyright (c) 2009 Boris Schaeling
|
|
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
|
|
/**
|
|
* \file boost/process/detail/windows_helpers.hpp
|
|
*
|
|
* Includes the declaration of helper functions for Windows systems.
|
|
*/
|
|
|
|
#ifndef BOOST_PROCESS_WINDOWS_HELPERS_HPP
|
|
#define BOOST_PROCESS_WINDOWS_HELPERS_HPP
|
|
|
|
#include <boost/process/config.hpp>
|
|
#include <boost/process/environment.hpp>
|
|
#include <boost/shared_array.hpp>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <cstddef>
|
|
#include <string.h>
|
|
#include <windows.h>
|
|
|
|
namespace boost {
|
|
namespace process {
|
|
namespace detail {
|
|
|
|
/**
|
|
* Converts an environment to a string used by CreateProcess().
|
|
*
|
|
* Converts the environment's contents to the format used by the
|
|
* CreateProcess() system call. The returned char* string is
|
|
* allocated in dynamic memory; the caller must free it when not
|
|
* used any more. This is enforced by the use of a shared pointer.
|
|
*
|
|
* This operation is only available on Windows systems.
|
|
*
|
|
* \return A dynamically allocated char* string that represents
|
|
* the environment's content. This string is of the form
|
|
* var1=value1\\0var2=value2\\0\\0.
|
|
*/
|
|
inline boost::shared_array<char> environment_to_windows_strings(environment
|
|
&env)
|
|
{
|
|
boost::shared_array<char> envp;
|
|
|
|
if (env.empty())
|
|
{
|
|
envp.reset(new char[2]);
|
|
ZeroMemory(envp.get(), 2);
|
|
}
|
|
else
|
|
{
|
|
std::string s;
|
|
for (environment::const_iterator it = env.begin(); it != env.end();
|
|
++it)
|
|
{
|
|
s += it->first + "=" + it->second;
|
|
s.push_back(0);
|
|
}
|
|
envp.reset(new char[s.size() + 1]);
|
|
#if (BOOST_MSVC >= 1400)
|
|
memcpy_s(envp.get(), s.size() + 1, s.c_str(), s.size() + 1);
|
|
#else
|
|
memcpy(envp.get(), s.c_str(), s.size() + 1);
|
|
#endif
|
|
}
|
|
|
|
return envp;
|
|
}
|
|
|
|
/**
|
|
* Converts the command line to a plain string.
|
|
*
|
|
* Converts the command line's list of arguments to the format expected by the
|
|
* \a lpCommandLine parameter in the CreateProcess() system call.
|
|
*
|
|
* This operation is only available on Windows systems.
|
|
*
|
|
* \return A dynamically allocated string holding the command line
|
|
* to be passed to the executable. It is returned in a
|
|
* shared_array object to ensure its release at some point.
|
|
*/
|
|
template <class Arguments>
|
|
inline boost::shared_array<char> collection_to_windows_cmdline(const Arguments
|
|
&args)
|
|
{
|
|
typedef std::vector<std::string> arguments_t;
|
|
arguments_t args2;
|
|
typename Arguments::size_type i = 0;
|
|
std::size_t size = 0;
|
|
for (typename Arguments::const_iterator it = args.begin(); it != args.end();
|
|
++it)
|
|
{
|
|
std::string arg = *it;
|
|
|
|
std::string::size_type pos = 0;
|
|
while ( (pos = arg.find('"', pos)) != std::string::npos)
|
|
{
|
|
arg.replace(pos, 1, "\\\"");
|
|
pos += 2;
|
|
}
|
|
|
|
if (arg.find(' ') != std::string::npos)
|
|
arg = '\"' + arg + '\"';
|
|
|
|
if (i++ != args.size() - 1)
|
|
arg += ' ';
|
|
|
|
args2.push_back(arg);
|
|
size += arg.size() + 1;
|
|
}
|
|
|
|
boost::shared_array<char> cmdline(new char[size]);
|
|
cmdline.get()[0] = '\0';
|
|
for (arguments_t::size_type i = 0; i < args.size(); ++i)
|
|
#if (BOOST_MSVC >= 1400)
|
|
strcat_s(cmdline.get(), size, args2[i].c_str());
|
|
#else
|
|
strncat(cmdline.get(), args2[i].c_str(), args2[i].size());
|
|
#endif
|
|
|
|
return cmdline;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|