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#include "inc/DataEntry.h"
#include "inc/functions.h"
#include <cstdlib>
#include <cstring>
#include <string>
#include <iostream>
#include <fstream>
using namespace std;
/**
* @function saveSession: Saves chosen session to prechoose this session next time.
*
* @param dat: Pointer to the wanted Image/Linux Session
* @return void
*
*/
void saveSession(DataEntry* dat) {
// get home folder
char* home = getenv("HOME");
if(home == NULL) {
cout << "HOME is not set. Not storing session." << endl;
return;
}
// build path
string fname = home;
fname.append("/.vmchooser");
// write file with ofstream
ofstream fout(fname.c_str(),ios::trunc); // overwrite file
fout << dat->short_description << endl;
}
/**
* @function readSession: Read predefined session from users home folder
*
* @return: if not found, return null, else filename for Image XML/ Linux .desktop file
*/
char* readSession() {
// read HOME variable
char* home = getenv("HOME");
if(home==NULL) {
cout << "HOME is not set. Not reading session." << endl;
return NULL;
}
// build file name
string fname = home;
fname.append("/.vmchooser");
// read presaved session with ifstream
ifstream fin(fname.c_str());
if (!fin) {
cout << ".vmchooser file not found .. continue with global default" << endl;
return NULL;
}
string sessname;
getline(fin,sessname);
char* blub = (char*) malloc(sessname.size());
strncpy(blub,sessname.c_str(),sessname.size()+1);
if(!sessname.empty()) {
return blub;
}
else {
return NULL;
}
}
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