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/*
Copyright 2013 to 2016 TeamWin
This file is part of TWRP/TeamWin Recovery Project.
TWRP 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, either version 3 of the License, or
(at your option) any later version.
TWRP 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 TWRP. If not, see <http://www.gnu.org/licenses/>.
*/
extern "C" {
#include "libtar/libtar.h"
}
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
#include <string>
#include <vector>
#include "exclude.hpp"
#include "twrp-functions.hpp"
#include "gui/gui.hpp"
#include "twcommon.h"
using namespace std;
extern bool datamedia;
TWExclude::TWExclude() {
add_relative_dir(".");
add_relative_dir("..");
add_relative_dir("lost+found");
}
void TWExclude::add_relative_dir(const string& dir) {
relativedir.push_back(dir);
}
void TWExclude::clear_relative_dir(string dir) {
vector<string>::iterator iter = relativedir.begin();
while (iter != relativedir.end()) {
if (*iter == dir)
iter = relativedir.erase(iter);
else
iter++;
}
}
void TWExclude::add_absolute_dir(const string& dir) {
absolutedir.push_back(TWFunc::Remove_Trailing_Slashes(dir));
}
uint64_t TWExclude::Get_Folder_Size(const string& Path) {
DIR* d;
struct dirent* de;
struct stat st;
uint64_t dusize = 0;
string FullPath;
d = opendir(Path.c_str());
if (d == NULL) {
gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Path)(strerror(errno)));
return 0;
}
while ((de = readdir(d)) != NULL) {
FullPath = Path + "/";
FullPath += de->d_name;
if (lstat(FullPath.c_str(), &st)) {
gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(FullPath)(strerror(errno)));
LOGINFO("Real error: Unable to stat '%s'\n", FullPath.c_str());
continue;
}
if ((st.st_mode & S_IFDIR) && !check_skip_dirs(FullPath) && de->d_type != DT_SOCK) {
dusize += Get_Folder_Size(FullPath);
} else if (st.st_mode & S_IFREG || st.st_mode & S_IFLNK) {
dusize += (uint64_t)(st.st_size);
}
}
closedir(d);
return dusize;
}
bool TWExclude::check_relative_skip_dirs(const string& dir) {
return std::find(relativedir.begin(), relativedir.end(), dir) != relativedir.end();
}
bool TWExclude::check_absolute_skip_dirs(const string& path) {
return std::find(absolutedir.begin(), absolutedir.end(), path) != absolutedir.end();
}
bool TWExclude::check_skip_dirs(const string& path) {
string normalized = TWFunc::Remove_Trailing_Slashes(path);
size_t slashIdx = normalized.find_last_of('/');
if (slashIdx != std::string::npos && slashIdx+1 < normalized.size()) {
if (check_relative_skip_dirs(normalized.substr(slashIdx+1)))
return true;
}
return check_absolute_skip_dirs(normalized);
}
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