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lvm2/test/lib/filesystem.h

87 lines
2.5 KiB
C++

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