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- // Copyright 2018 Peter Dimov.
- //
- // 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
- // Avoid spurious VC++ warnings
- # define _CRT_SECURE_NO_WARNINGS
- #include <boost/system/error_code.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <cstring>
- #include <cstdio>
- //
- #if defined(BOOST_WINDOWS_API) && defined(BOOST_SYSTEM_USE_UTF8)
- #include <boost/config/pragma_message.hpp>
- BOOST_PRAGMA_MESSAGE( "Skipping test due to BOOST_WINDOWS_API && BOOST_SYSTEM_USE_UTF8" )
- int main() {}
- #else
- #if defined(BOOST_WINDOWS_API)
- #include <windows.h>
- std::string sys_strerror( int ev )
- {
- void * lpMsgBuf = 0;
- DWORD retval = FormatMessageA(
- FORMAT_MESSAGE_ALLOCATE_BUFFER |
- FORMAT_MESSAGE_FROM_SYSTEM |
- FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL,
- ev,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPSTR) &lpMsgBuf,
- 0,
- NULL
- );
- struct local_free
- {
- void * p_;
- ~local_free()
- {
- LocalFree( p_ );
- }
- };
- local_free lf_ = { lpMsgBuf };
- if( retval == 0 )
- {
- char buffer[ 38 ];
- std::sprintf( buffer, "Unknown error (%d)", ev );
- return buffer;
- }
- std::string str( static_cast<char const*>( lpMsgBuf ) );
- while( !str.empty() && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r') )
- {
- str.erase( str.size()-1 );
- }
- if( !str.empty() && str[str.size()-1] == '.' )
- {
- str.erase( str.size()-1 );
- }
- return str;
- }
- #else
- std::string sys_strerror( int ev )
- {
- return std::strerror( ev );
- }
- #endif
- //
- namespace sys = boost::system;
- static void test_message( sys::error_category const & cat, int ev )
- {
- BOOST_TEST_EQ( cat.message( ev ), sys_strerror( ev ) );
- char buffer[ 4096 ]; // yes, really
- BOOST_TEST_CSTR_EQ( cat.message( ev, buffer, sizeof( buffer ) ), sys_strerror( ev ).c_str() );
- }
- int main()
- {
- sys::error_category const & cat = sys::system_category();
- // message
- for( int i = -2; i < 16000; ++i )
- {
- test_message( cat, i );
- }
- return boost::report_errors();
- }
- #endif // #if defined(BOOST_WINDOWS_API) && defined(BOOST_SYSTEM_USE_UTF8)
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