urbackup_backend/urbackupcommon/os_functions_lin_min.cpp
2016-01-02 16:38:00 +01:00

107 lines
2.5 KiB
C++

/*************************************************************************
* UrBackup - Client/Server backup system
* Copyright (C) 2011-2016 Martin Raiber
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**************************************************************************/
#include "os_functions.h"
#include "../stringtools.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <dirent.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <algorithm>
#include <memory.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#if defined(__FreeBSD__)
#define open64 open
#endif
void getMousePos(int &x, int &y)
{
x=0;
y=0;
}
bool os_create_reflink(const std::string &linkname, const std::string &fname)
{
#ifndef sun
int src_desc=open64(fname.c_str(), O_RDONLY);
if( src_desc<0)
return false;
int dst_desc=open64(linkname.c_str(), O_WRONLY | O_CREAT | O_EXCL, S_IRWXU | S_IRWXG);
if( dst_desc<0 )
{
close(src_desc);
return false;
}
#define BTRFS_IOCTL_MAGIC 0x94
#define BTRFS_IOC_CLONE _IOW (BTRFS_IOCTL_MAGIC, 9, int)
int rc=ioctl(dst_desc, BTRFS_IOC_CLONE, src_desc);
close(src_desc);
close(dst_desc);
return rc==0;
#else
return false;
#endif
}
bool os_create_hardlink(const std::string &linkname, const std::string &fname, bool ioref, bool* too_many_links)
{
if(too_many_links!=NULL)
*too_many_links=false;
if(ioref)
return os_create_reflink(linkname, fname);
int rc=link(fname.c_str(), linkname.c_str());
return rc==0;
}
std::string os_file_sep(void)
{
return "/";
}
bool os_remove_dir(const std::string &path)
{
return rmdir(path.c_str())==0;
}
bool os_create_dir(const std::string &path)
{
return mkdir(path.c_str(), S_IRWXU | S_IRWXG)==0;
}