grive2/libgrive/src/util/OS.cc

91 lines
2.3 KiB
C++

/*
grive: an GPL program to sync a local directory with Google Drive
Copyright (C) 2012 Wan Wai Ho
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation version 2
of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "OS.hh"
#include "DateTime.hh"
#include "Exception.hh"
#include "Path.hh"
// boost headers
#include <boost/throw_exception.hpp>
#include <boost/exception/errinfo_api_function.hpp>
#include <boost/exception/errinfo_at_line.hpp>
#include <boost/exception/errinfo_errno.hpp>
#include <boost/exception/errinfo_file_name.hpp>
#include <boost/exception/errinfo_file_open_mode.hpp>
#include <boost/exception/info.hpp>
// OS specific headers
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
namespace gr { namespace os {
void MakeDir( const Path& dir )
{
MakeDir( dir.Str() ) ;
}
void MakeDir( const std::string& dir )
{
mkdir( dir.c_str(), 0700 ) ;
}
DateTime FileMTime( const Path& filename )
{
return FileMTime( filename.Str() ) ;
}
DateTime FileMTime( const std::string& filename )
{
struct stat s = {} ;
if ( ::stat( filename.c_str(), &s ) != 0 )
{
BOOST_THROW_EXCEPTION(
Error()
<< boost::errinfo_api_function("stat")
<< boost::errinfo_errno(errno)
<< boost::errinfo_file_name(filename)
) ;
}
#if defined __APPLE__ && defined __DARWIN_64_BIT_INO_T
return DateTime( s.st_mtimespec.tv_sec, s.st_mtimespec.tv_nsec ) ;
#else
return DateTime( s.st_mtim.tv_sec, s.st_mtim.tv_nsec);
#endif
}
void SetFileTime( const Path& filename, const DateTime& t )
{
return SetFileTime( filename.Str(), t ) ;
}
void SetFileTime( const std::string& filename, const DateTime& t )
{
struct timeval tvp[2] = { t.Tv(), t.Tv() } ;
if ( ::utimes( filename.c_str(), tvp ) != 0 )
throw expt::ErrMsg( "cannot set file time" ) ;
}
} } // end of namespaces