You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
65 lines
2.3 KiB
65 lines
2.3 KiB
/* |
|
* 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.) |
|
* |
|
* See http://www.boost.org/libs/iostreams for documentation. |
|
|
|
* File: boost/iostreams/detail/execute.hpp |
|
* Date: Thu Dec 06 13:21:54 MST 2007 |
|
* Copyright: 2007-2008 CodeRage, LLC |
|
* Author: Jonathan Turkanis |
|
* Contact: turkanis at coderage dot com |
|
* |
|
* Defines the function boost::iostreams::detail::current_directory, used by |
|
* boost::iostreams::detail::absolute_path. |
|
*/ |
|
|
|
#ifndef BOOST_IOSTREAMS_DETAIL_CURRENT_DIRECTORY_HPP_INCLUDED |
|
#define BOOST_IOSTREAMS_DETAIL_CURRENT_DIRECTORY_HPP_INCLUDED |
|
|
|
#include <boost/config.hpp> // make sure size_t is in std. |
|
#include <cstddef> // size_t |
|
#include <string> |
|
#include <boost/iostreams/detail/buffer.hpp> |
|
#include <boost/iostreams/detail/config/windows_posix.hpp> |
|
#include <boost/iostreams/detail/system_failure.hpp> |
|
#ifdef BOOST_IOSTREAMS_WINDOWS |
|
# define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers |
|
# include <windows.h> |
|
#else |
|
# include <unistd.h> // sysconf. |
|
#endif |
|
|
|
// Must come last. |
|
#include <boost/iostreams/detail/config/disable_warnings.hpp> |
|
|
|
namespace boost { namespace iostreams { namespace detail { |
|
|
|
// Returns the current working directory |
|
inline std::string current_directory() |
|
{ |
|
#ifdef BOOST_IOSTREAMS_WINDOWS |
|
DWORD length; |
|
basic_buffer<char> buf(MAX_PATH); |
|
while (true) { |
|
length = ::GetCurrentDirectoryA(buf.size(), buf.data()); |
|
if (!length) |
|
throw_system_failure("failed determining current directory"); |
|
if (length < static_cast<DWORD>(buf.size())) |
|
break; |
|
buf.resize(buf.size() * 2); |
|
} |
|
return std::string(buf.data(), length); |
|
#else // #ifdef BOOST_IOSTREAMS_WINDOWS |
|
basic_buffer<char> buf(pathconf(".", _PC_PATH_MAX)); |
|
if (!getcwd(buf.data(), static_cast<size_t>(buf.size()))) |
|
throw_system_failure("failed determining current directory"); |
|
return std::string(buf.data()); |
|
#endif // #ifdef BOOST_IOSTREAMS_WINDOWS |
|
} |
|
|
|
} } } // End namespaces detail, iostreams, boost. |
|
|
|
#include <boost/iostreams/detail/config/enable_warnings.hpp> |
|
|
|
#endif // #ifndef BOOST_IOSTREAMS_DETAIL_CURRENT_DIRECTORY_HPP_INCLUDED
|
|
|