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96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/* -*- C++ -*- copyright (c) 2014 Red Hat, Inc.
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*
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* This file is part of LVM2.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "util.h"
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#include <vector>
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#include <string>
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#include <dirent.h>
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#include <sys/stat.h>
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#ifndef RUNNER_FILESYSTEM_H
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#define RUNNER_FILESYSTEM_H
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struct dir {
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DIR *d;
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dir( std::string p ) {
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d = opendir( p.c_str() );
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if ( !d )
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throw syserr( "error opening directory", p );
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}
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~dir() { closedir( d ); }
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};
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typedef std::vector< std::string > Listing;
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inline void fsync_name( std::string n )
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{
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int fd = open( n.c_str(), O_WRONLY );
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if ( fd >= 0 ) {
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fsync( fd );
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close( fd );
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}
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}
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inline Listing listdir( std::string p, bool recurse = false, std::string prefix = "" )
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{
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Listing r;
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dir d( p );
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struct dirent entry, *iter = 0;
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int readerr;
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while ( (readerr = readdir_r( d.d, &entry, &iter )) == 0 && iter ) {
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std::string ename( entry.d_name );
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if ( ename == "." || ename == ".." )
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continue;
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if ( recurse ) {
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struct stat64 stat;
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std::string s = p + "/" + ename;
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if ( ::stat64( s.c_str(), &stat ) == -1 )
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continue;
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if ( S_ISDIR(stat.st_mode) ) {
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Listing sl = listdir( s, true, prefix + ename + "/" );
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for ( Listing::iterator i = sl.begin(); i != sl.end(); ++i )
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r.push_back( prefix + *i );
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} else
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r.push_back( prefix + ename );
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} else
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r.push_back( ename );
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};
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if ( readerr != 0 )
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throw syserr( "error reading directory", p );
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return r;
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}
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#endif
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