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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/libs/system/src
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Diffstat (limited to '3rdParty/Boost/libs/system/src')
-rw-r--r--3rdParty/Boost/libs/system/src/error_code.cpp433
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diff --git a/3rdParty/Boost/libs/system/src/error_code.cpp b/3rdParty/Boost/libs/system/src/error_code.cpp
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+++ b/3rdParty/Boost/libs/system/src/error_code.cpp
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+// error_code support implementation file ----------------------------------//
+
+// Copyright Beman Dawes 2002, 2006
+
+// 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 library home page at http://www.boost.org/libs/system
+
+//----------------------------------------------------------------------------//
+
+#include <boost/config/warning_disable.hpp>
+
+// define BOOST_SYSTEM_SOURCE so that <boost/system/config.hpp> knows
+// the library is being built (possibly exporting rather than importing code)
+#define BOOST_SYSTEM_SOURCE
+
+#include <boost/system/config.hpp>
+#include <boost/system/error_code.hpp>
+#include <boost/cerrno.hpp>
+#include <vector>
+#include <cstdlib>
+#include <cassert>
+
+using namespace boost::system;
+using namespace boost::system::posix_error;
+
+#include <cstring> // for strerror/strerror_r
+
+# if defined( BOOST_WINDOWS_API )
+# include <windows.h>
+# ifndef ERROR_INCORRECT_SIZE
+# define ERROR_INCORRECT_SIZE ERROR_BAD_ARGUMENTS
+# endif
+# endif
+
+//----------------------------------------------------------------------------//
+
+namespace
+{
+ // standard error categories ---------------------------------------------//
+
+ class generic_error_category : public error_category
+ {
+ public:
+ generic_error_category(){}
+ const char * name() const;
+ std::string message( int ev ) const;
+ };
+
+ class system_error_category : public error_category
+ {
+ public:
+ system_error_category(){}
+ const char * name() const;
+ std::string message( int ev ) const;
+ error_condition default_error_condition( int ev ) const;
+ };
+
+ // generic_error_category implementation ---------------------------------//
+
+ const char * generic_error_category::name() const
+ {
+ return "generic";
+ }
+
+ std::string generic_error_category::message( int ev ) const
+ {
+ static std::string unknown_err( "Unknown error" );
+ // strerror_r is preferred because it is always thread safe,
+ // however, we fallback to strerror in certain cases because:
+ // -- Windows doesn't provide strerror_r.
+ // -- HP and Sundo provide strerror_r on newer systems, but there is
+ // no way to tell if is available at runtime and in any case their
+ // versions of strerror are thread safe anyhow.
+ // -- Linux only sometimes provides strerror_r.
+ // -- Tru64 provides strerror_r only when compiled -pthread.
+ // -- VMS doesn't provide strerror_r, but on this platform, strerror is
+ // thread safe.
+ # if defined(BOOST_WINDOWS_API) || defined(__hpux) || defined(__sun)\
+ || (defined(__linux) && (!defined(__USE_XOPEN2K) || defined(BOOST_SYSTEM_USE_STRERROR)))\
+ || (defined(__osf__) && !defined(_REENTRANT))\
+ || (defined(__vms))\
+ || (defined(__QNXNTO__))
+ const char * c_str = std::strerror( ev );
+ return c_str
+ ? std::string( c_str )
+ : unknown_err;
+ # else // use strerror_r
+ char buf[64];
+ char * bp = buf;
+ std::size_t sz = sizeof(buf);
+ # if defined(__CYGWIN__) || defined(__USE_GNU)
+ // Oddball version of strerror_r
+ const char * c_str = strerror_r( ev, bp, sz );
+ return c_str
+ ? std::string( c_str )
+ : unknown_err;
+ # else
+ // POSIX version of strerror_r
+ int result;
+ for (;;)
+ {
+ // strerror_r returns 0 on success, otherwise ERANGE if buffer too small,
+ // invalid_argument if ev not a valid error number
+ # if defined (__sgi)
+ const char * c_str = strerror( ev );
+ result = 0;
+ return c_str
+ ? std::string( c_str )
+ : unknown_err;
+ # else
+ result = strerror_r( ev, bp, sz );
+ # endif
+ if (result == 0 )
+ break;
+ else
+ {
+ # if defined(__linux)
+ // Linux strerror_r returns -1 on error, with error number in errno
+ result = errno;
+ # endif
+ if ( result != ERANGE ) break;
+ if ( sz > sizeof(buf) ) std::free( bp );
+ sz *= 2;
+ if ( (bp = static_cast<char*>(std::malloc( sz ))) == 0 )
+ return std::string( "ENOMEM" );
+ }
+ }
+ std::string msg;
+ try
+ {
+ msg = ( ( result == invalid_argument ) ? "Unknown error" : bp );
+ }
+
+# ifndef BOOST_NO_EXCEPTIONS
+ // See ticket #2098
+ catch(...)
+ {
+ // just eat the exception
+ }
+# endif
+
+ if ( sz > sizeof(buf) ) std::free( bp );
+ sz = 0;
+ return msg;
+ # endif // else POSIX version of strerror_r
+ # endif // else use strerror_r
+ }
+ // system_error_category implementation --------------------------------//
+
+ const char * system_error_category::name() const
+ {
+ return "system";
+ }
+
+ error_condition system_error_category::default_error_condition( int ev ) const
+ {
+ switch ( ev )
+ {
+ case 0: return make_error_condition( success );
+ # if defined(BOOST_POSIX_API)
+ // POSIX-like O/S -> posix_errno decode table ---------------------------//
+ case E2BIG: return make_error_condition( argument_list_too_long );
+ case EACCES: return make_error_condition( permission_denied );
+ case EADDRINUSE: return make_error_condition( address_in_use );
+ case EADDRNOTAVAIL: return make_error_condition( address_not_available );
+ case EAFNOSUPPORT: return make_error_condition( address_family_not_supported );
+ case EAGAIN: return make_error_condition( resource_unavailable_try_again );
+# if EALREADY != EBUSY // EALREADY and EBUSY are the same on QNX Neutrino
+ case EALREADY: return make_error_condition( connection_already_in_progress );
+# endif
+ case EBADF: return make_error_condition( bad_file_descriptor );
+ case EBADMSG: return make_error_condition( bad_message );
+ case EBUSY: return make_error_condition( device_or_resource_busy );
+ case ECANCELED: return make_error_condition( operation_canceled );
+ case ECHILD: return make_error_condition( no_child_process );
+ case ECONNABORTED: return make_error_condition( connection_aborted );
+ case ECONNREFUSED: return make_error_condition( connection_refused );
+ case ECONNRESET: return make_error_condition( connection_reset );
+ case EDEADLK: return make_error_condition( resource_deadlock_would_occur );
+ case EDESTADDRREQ: return make_error_condition( destination_address_required );
+ case EDOM: return make_error_condition( argument_out_of_domain );
+ case EEXIST: return make_error_condition( file_exists );
+ case EFAULT: return make_error_condition( bad_address );
+ case EFBIG: return make_error_condition( file_too_large );
+ case EHOSTUNREACH: return make_error_condition( host_unreachable );
+ case EIDRM: return make_error_condition( identifier_removed );
+ case EILSEQ: return make_error_condition( illegal_byte_sequence );
+ case EINPROGRESS: return make_error_condition( operation_in_progress );
+ case EINTR: return make_error_condition( interrupted );
+ case EINVAL: return make_error_condition( invalid_argument );
+ case EIO: return make_error_condition( io_error );
+ case EISCONN: return make_error_condition( already_connected );
+ case EISDIR: return make_error_condition( is_a_directory );
+ case ELOOP: return make_error_condition( too_many_synbolic_link_levels );
+ case EMFILE: return make_error_condition( too_many_files_open );
+ case EMLINK: return make_error_condition( too_many_links );
+ case EMSGSIZE: return make_error_condition( message_size );
+ case ENAMETOOLONG: return make_error_condition( filename_too_long );
+ case ENETDOWN: return make_error_condition( network_down );
+ case ENETRESET: return make_error_condition( network_reset );
+ case ENETUNREACH: return make_error_condition( network_unreachable );
+ case ENFILE: return make_error_condition( too_many_files_open_in_system );
+ case ENOBUFS: return make_error_condition( no_buffer_space );
+ case ENODATA: return make_error_condition( no_message_available );
+ case ENODEV: return make_error_condition( no_such_device );
+ case ENOENT: return make_error_condition( no_such_file_or_directory );
+ case ENOEXEC: return make_error_condition( executable_format_error );
+ case ENOLCK: return make_error_condition( no_lock_available );
+ case ENOLINK: return make_error_condition( no_link );
+ case ENOMEM: return make_error_condition( not_enough_memory );
+ case ENOMSG: return make_error_condition( no_message );
+ case ENOPROTOOPT: return make_error_condition( no_protocol_option );
+ case ENOSPC: return make_error_condition( no_space_on_device );
+ case ENOSR: return make_error_condition( no_stream_resources );
+ case ENOSTR: return make_error_condition( not_a_stream );
+ case ENOSYS: return make_error_condition( function_not_supported );
+ case ENOTCONN: return make_error_condition( not_connected );
+ case ENOTDIR: return make_error_condition( not_a_directory );
+ # if ENOTEMPTY != EEXIST // AIX treats ENOTEMPTY and EEXIST as the same value
+ case ENOTEMPTY: return make_error_condition( directory_not_empty );
+ # endif // ENOTEMPTY != EEXIST
+ case ENOTRECOVERABLE: return make_error_condition( state_not_recoverable );
+ case ENOTSOCK: return make_error_condition( not_a_socket );
+ case ENOTSUP: return make_error_condition( not_supported );
+ case ENOTTY: return make_error_condition( inappropriate_io_control_operation );
+ case ENXIO: return make_error_condition( no_such_device_or_address );
+ # if EOPNOTSUPP != ENOTSUP
+ case EOPNOTSUPP: return make_error_condition( operation_not_supported );
+ # endif // EOPNOTSUPP != ENOTSUP
+ case EOVERFLOW: return make_error_condition( value_too_large );
+ case EOWNERDEAD: return make_error_condition( owner_dead );
+ case EPERM: return make_error_condition( operation_not_permitted );
+ case EPIPE: return make_error_condition( broken_pipe );
+ case EPROTO: return make_error_condition( protocol_error );
+ case EPROTONOSUPPORT: return make_error_condition( protocol_not_supported );
+ case EPROTOTYPE: return make_error_condition( wrong_protocol_type );
+ case ERANGE: return make_error_condition( result_out_of_range );
+ case EROFS: return make_error_condition( read_only_file_system );
+ case ESPIPE: return make_error_condition( invalid_seek );
+ case ESRCH: return make_error_condition( no_such_process );
+ case ETIME: return make_error_condition( stream_timeout );
+ case ETIMEDOUT: return make_error_condition( timed_out );
+ case ETXTBSY: return make_error_condition( text_file_busy );
+ # if EAGAIN != EWOULDBLOCK
+ case EWOULDBLOCK: return make_error_condition( operation_would_block );
+ # endif // EAGAIN != EWOULDBLOCK
+ case EXDEV: return make_error_condition( cross_device_link );
+ #else
+ // Windows system -> posix_errno decode table ---------------------------//
+ // see WinError.h comments for descriptions of errors
+ case ERROR_ACCESS_DENIED: return make_error_condition( permission_denied );
+ case ERROR_ALREADY_EXISTS: return make_error_condition( file_exists );
+ case ERROR_BAD_UNIT: return make_error_condition( no_such_device );
+ case ERROR_BUFFER_OVERFLOW: return make_error_condition( filename_too_long );
+ case ERROR_BUSY: return make_error_condition( device_or_resource_busy );
+ case ERROR_BUSY_DRIVE: return make_error_condition( device_or_resource_busy );
+ case ERROR_CANNOT_MAKE: return make_error_condition( permission_denied );
+ case ERROR_CANTOPEN: return make_error_condition( io_error );
+ case ERROR_CANTREAD: return make_error_condition( io_error );
+ case ERROR_CANTWRITE: return make_error_condition( io_error );
+ case ERROR_CURRENT_DIRECTORY: return make_error_condition( permission_denied );
+ case ERROR_DEV_NOT_EXIST: return make_error_condition( no_such_device );
+ case ERROR_DEVICE_IN_USE: return make_error_condition( device_or_resource_busy );
+ case ERROR_DIR_NOT_EMPTY: return make_error_condition( directory_not_empty );
+ case ERROR_DIRECTORY: return make_error_condition( invalid_argument ); // WinError.h: "The directory name is invalid"
+ case ERROR_DISK_FULL: return make_error_condition( no_space_on_device );
+ case ERROR_FILE_EXISTS: return make_error_condition( file_exists );
+ case ERROR_FILE_NOT_FOUND: return make_error_condition( no_such_file_or_directory );
+ case ERROR_HANDLE_DISK_FULL: return make_error_condition( no_space_on_device );
+ case ERROR_INVALID_ACCESS: return make_error_condition( permission_denied );
+ case ERROR_INVALID_DRIVE: return make_error_condition( no_such_device );
+ case ERROR_INVALID_FUNCTION: return make_error_condition( function_not_supported );
+ case ERROR_INVALID_HANDLE: return make_error_condition( invalid_argument );
+ case ERROR_INVALID_NAME: return make_error_condition( invalid_argument );
+ case ERROR_LOCK_VIOLATION: return make_error_condition( no_lock_available );
+ case ERROR_LOCKED: return make_error_condition( no_lock_available );
+ case ERROR_NEGATIVE_SEEK: return make_error_condition( invalid_argument );
+ case ERROR_NOACCESS: return make_error_condition( permission_denied );
+ case ERROR_NOT_ENOUGH_MEMORY: return make_error_condition( not_enough_memory );
+ case ERROR_NOT_READY: return make_error_condition( resource_unavailable_try_again );
+ case ERROR_NOT_SAME_DEVICE: return make_error_condition( cross_device_link );
+ case ERROR_OPEN_FAILED: return make_error_condition( io_error );
+ case ERROR_OPEN_FILES: return make_error_condition( device_or_resource_busy );
+ case ERROR_OPERATION_ABORTED: return make_error_condition( operation_canceled );
+ case ERROR_OUTOFMEMORY: return make_error_condition( not_enough_memory );
+ case ERROR_PATH_NOT_FOUND: return make_error_condition( no_such_file_or_directory );
+ case ERROR_READ_FAULT: return make_error_condition( io_error );
+ case ERROR_RETRY: return make_error_condition( resource_unavailable_try_again );
+ case ERROR_SEEK: return make_error_condition( io_error );
+ case ERROR_SHARING_VIOLATION: return make_error_condition( permission_denied );
+ case ERROR_TOO_MANY_OPEN_FILES: return make_error_condition( too_many_files_open );
+ case ERROR_WRITE_FAULT: return make_error_condition( io_error );
+ case ERROR_WRITE_PROTECT: return make_error_condition( permission_denied );
+ case WSAEACCES: return make_error_condition( permission_denied );
+ case WSAEADDRINUSE: return make_error_condition( address_in_use );
+ case WSAEADDRNOTAVAIL: return make_error_condition( address_not_available );
+ case WSAEAFNOSUPPORT: return make_error_condition( address_family_not_supported );
+ case WSAEALREADY: return make_error_condition( connection_already_in_progress );
+ case WSAEBADF: return make_error_condition( bad_file_descriptor );
+ case WSAECONNABORTED: return make_error_condition( connection_aborted );
+ case WSAECONNREFUSED: return make_error_condition( connection_refused );
+ case WSAECONNRESET: return make_error_condition( connection_reset );
+ case WSAEDESTADDRREQ: return make_error_condition( destination_address_required );
+ case WSAEFAULT: return make_error_condition( bad_address );
+ case WSAEHOSTUNREACH: return make_error_condition( host_unreachable );
+ case WSAEINPROGRESS: return make_error_condition( operation_in_progress );
+ case WSAEINTR: return make_error_condition( interrupted );
+ case WSAEINVAL: return make_error_condition( invalid_argument );
+ case WSAEISCONN: return make_error_condition( already_connected );
+ case WSAEMFILE: return make_error_condition( too_many_files_open );
+ case WSAEMSGSIZE: return make_error_condition( message_size );
+ case WSAENAMETOOLONG: return make_error_condition( filename_too_long );
+ case WSAENETDOWN: return make_error_condition( network_down );
+ case WSAENETRESET: return make_error_condition( network_reset );
+ case WSAENETUNREACH: return make_error_condition( network_unreachable );
+ case WSAENOBUFS: return make_error_condition( no_buffer_space );
+ case WSAENOPROTOOPT: return make_error_condition( no_protocol_option );
+ case WSAENOTCONN: return make_error_condition( not_connected );
+ case WSAENOTSOCK: return make_error_condition( not_a_socket );
+ case WSAEOPNOTSUPP: return make_error_condition( operation_not_supported );
+ case WSAEPROTONOSUPPORT: return make_error_condition( protocol_not_supported );
+ case WSAEPROTOTYPE: return make_error_condition( wrong_protocol_type );
+ case WSAETIMEDOUT: return make_error_condition( timed_out );
+ case WSAEWOULDBLOCK: return make_error_condition( operation_would_block );
+ #endif
+ default: return error_condition( ev, system_category );
+ }
+ }
+
+# if !defined( BOOST_WINDOWS_API )
+
+ std::string system_error_category::message( int ev ) const
+ {
+ return generic_category.message( ev );
+ }
+# else
+// TODO:
+
+//Some quick notes on the implementation (sorry for the noise if
+//someone has already mentioned them):
+//
+//- The ::LocalFree() usage isn't exception safe.
+//
+//See:
+//
+//<http://boost.cvs.sourceforge.net/boost/boost/boost/asio/system_exception.hpp?revision=1.1&view=markup>
+//
+//in the implementation of what() for an example.
+//
+//Cheers,
+//Chris
+ std::string system_error_category::message( int ev ) const
+ {
+# ifndef BOOST_NO_ANSI_APIS
+ LPVOID lpMsgBuf;
+ DWORD retval = ::FormatMessageA(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL,
+ ev,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ (LPSTR) &lpMsgBuf,
+ 0,
+ NULL
+ );
+ if (retval == 0)
+ return std::string("Unknown error");
+
+ std::string str( static_cast<LPCSTR>(lpMsgBuf) );
+ ::LocalFree( lpMsgBuf ); // free the buffer
+# else // WinCE workaround
+ LPVOID lpMsgBuf;
+ DWORD retval = ::FormatMessageW(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL,
+ ev,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ (LPWSTR) &lpMsgBuf,
+ 0,
+ NULL
+ );
+ if (retval == 0)
+ return std::string("Unknown error");
+
+ int num_chars = (wcslen( static_cast<LPCWSTR>(lpMsgBuf) ) + 1) * 2;
+ LPSTR narrow_buffer = (LPSTR)_alloca( num_chars );
+ if (::WideCharToMultiByte(CP_ACP, 0, static_cast<LPCWSTR>(lpMsgBuf), -1, narrow_buffer, num_chars, NULL, NULL) == 0)
+ return std::string("Unknown error");
+
+ std::string str( narrow_buffer );
+ ::LocalFree( lpMsgBuf ); // free the buffer
+# endif
+ while ( str.size()
+ && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r') )
+ str.erase( str.size()-1 );
+ if ( str.size() && str[str.size()-1] == '.' )
+ { str.erase( str.size()-1 ); }
+ return str;
+ }
+# endif
+
+} // unnamed namespace
+
+namespace boost
+{
+ namespace system
+ {
+
+ BOOST_SYSTEM_DECL error_code throws; // "throw on error" special error_code;
+ // note that it doesn't matter if this
+ // isn't initialized before use since
+ // the only use is to take its
+ // address for comparison purposes
+
+ BOOST_SYSTEM_DECL const error_category & get_system_category()
+ {
+ static const system_error_category system_category_const;
+ return system_category_const;
+ }
+
+ BOOST_SYSTEM_DECL const error_category & get_generic_category()
+ {
+ static const generic_error_category generic_category_const;
+ return generic_category_const;
+ }
+
+ } // namespace system
+} // namespace boost