548 lines
15 KiB
C++
548 lines
15 KiB
C++
#include <cstdlib>
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#include <fstream>
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#include <filesystem>
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#include <iostream>
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#include <vector>
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#include <string>
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#include <sstream>
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#include <unordered_map>
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#include <cctype>
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#include <sys/utsname.h>
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#include <sys/stat.h>
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#include <ctime>
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using std::string, std::cout;
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namespace fs = std::filesystem;
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string getUser();
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string getHost();
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string getDistro();
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void distroArt();
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string getKernel();
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string getUptime();
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string getShell();
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string getCPU();
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string getGPU();
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string getRAM();
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string getOsDate();
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struct gpuId {
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string vendor;
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string device;
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};
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std::vector<gpuId> getGpuIds() {
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std::vector<gpuId> gpus;
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std::string pciPath = "/sys/bus/pci/devices/";
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for (const auto& entry : fs::directory_iterator(pciPath)) {
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std::ifstream classFile(entry.path().string() + "/class");
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std::string classId;
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classFile >> classId;
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if (classId.compare(0, 4, "0x03") == 0) {
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std::ifstream vFile(entry.path().string() + "/vendor");
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std::ifstream dFile(entry.path().string() + "/device");
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std::string v, d;
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vFile >> v; dFile >> d;
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gpus.push_back({v, d});
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}
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}
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return gpus;
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}
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int main () {
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const string colorRED = "\033[1;31m";
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const string colorGREEN = "\033[1;32m";
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const string colorBLUE = "\033[1;34m";
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const string colorYELLOW = "\033[1;33m";
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const string colorMAGENTA = "\033[1;35m";
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const string colorRESET = "\033[0m";
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cout << "\t\t\t--- " << colorGREEN << getUser() << colorRESET << "@" << colorRED << getHost() << colorRESET << " ---\n";
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cout << colorGREEN << "\t\t distro:\t" << colorRESET << getDistro() << "\n";
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cout << colorMAGENTA << "\t\t kernel:\t" << colorRESET << getKernel() << "\n";
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cout << colorBLUE << "\t\t uptime:\t" << colorRESET << getUptime() << "\n";
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cout << colorMAGENTA << "\t\t shell:\t" << colorRESET << getShell() << "\n";
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cout << colorYELLOW <<"\t\t CPU: \t" << colorRESET << getCPU() << "\n";
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cout << colorYELLOW <<"\t\t GPU: \t" << colorRESET << getGPU() << "\n";
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cout << colorRED << "\t\t RAM: \t" << colorRESET << getRAM() << "\n";
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cout << colorBLUE << "\t\t OS Date:\t" << colorRESET << getOsDate() << "\n";
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cout << "\n\n";
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distroArt();
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return 0;
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}
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string getUser() {
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string username;
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username = std::getenv("USER");
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if (!username.empty()) return username;
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return "";
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}
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string getHost() {
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std::ifstream readHostname("/etc/hostname");
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if (!readHostname.is_open()) {
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std::cerr << "Error: couldn't read /etc/hostname\n";
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return "";
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}
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string hostname;
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getline(readHostname, hostname);
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readHostname.close();
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if (!hostname.empty()) return hostname;
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else return "";
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}
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string getDistro() {
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std::ifstream readOsRelease("/etc/os-release");
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if(!readOsRelease.is_open()) {
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std::cerr << "Error: Couldn't read /etc/os-release\n";
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return "";
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}
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string distroName;
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string line;
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while (std::getline(readOsRelease, line)) {
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if(line.empty() || line[0] == '#') continue;
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std::size_t delimiter = line.find("=");
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if(delimiter != string::npos) {
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string key = line.substr(0, delimiter);
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if (key == "PRETTY_NAME"){
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distroName = line.substr(delimiter + 1);
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distroName = distroName.substr(1, distroName.length() - 2);
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}
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}
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}
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readOsRelease.close();
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if (!distroName.empty()) return distroName;
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else return "";
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}
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void distroArt() {
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std::ifstream readOsRelease("/etc/os-release");
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if(!readOsRelease.is_open()) {
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std::cerr << "Error: Couldn't read /etc/os-release\n";
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}
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string distroID;
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string line;
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while (std::getline(readOsRelease, line)) {
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if(line.empty() || line[0] == '#') continue;
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std::size_t delimiter = line.find("=");
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if(delimiter != string::npos) {
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string key = line.substr(0, delimiter);
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if (key == "ID"){
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distroID = line.substr(delimiter + 1);
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if (distroID[0] == '"' && distroID[distroID.length() - 1] == '"') distroID = distroID.substr(1, distroID.length() - 2);
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}
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}
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}
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readOsRelease.close();
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string asciiArts[][9] = {
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{
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"arch",
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" /\\ ",
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" / \\ ",
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" / \\ ",
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" / \\ ",
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" / ,, \\ ",
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" / | | \\ ",
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"/_-'' ''-_\\ ",
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" "
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},
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{
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"cachyos",
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" /''''''''''''/ ",
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" /''''''''''''/ ",
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" /''''''/ ",
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"/''''''/ ",
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"\\......\\ ",
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" \\......\\ ",
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" \\.............../ ",
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" \\............./ "
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},
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{
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"debian",
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" _____ ",
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" / __ \\ ",
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"| / | ",
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"| \\___- ",
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"-_ ",
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" --_ ",
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" ",
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" "
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}
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};
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for (int i = 0; i < sizeof(asciiArts) / sizeof(asciiArts[0]); ++i) {
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if (asciiArts[i][0] == distroID) {
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for (int j = 1; j < 9; ++j) {
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cout << asciiArts[i][j] << "\n";
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}
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}
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}
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}
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string getKernel() {
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struct utsname kernelInfo;
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if (uname(&kernelInfo) != 0) {
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std::cerr << "Error: uname call failed\n";
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return "";
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}
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return kernelInfo.release;
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}
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string getUptime() {
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std::ifstream readUptime("/proc/uptime");
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if(!readUptime.is_open()) {
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std::cerr << "Error: Couldn't read /proc/uptime\n";
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return "";
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}
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string uptime;
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std::getline(readUptime, uptime);
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uptime = uptime.substr(0, uptime.find(' '));
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readUptime.close();
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int uptimeInt = std::stoi(uptime);
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uptime = "";
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for (int i = uptimeInt; i > 0; i /= 60) {
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if (i > 86400) uptime = uptime + std::to_string(i / 86400) + " days ";
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else if (i > 3600) uptime = uptime + std::to_string(i / 3600) + " hours ";
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else if (i > 60) uptime = uptime + std::to_string(i / 60) + " minutes";
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}
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if (!uptime.empty()) return uptime + "";
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return "";
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}
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string getShell() {
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string shell;
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shell = std::getenv("SHELL");
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if (!shell.empty()) return shell;
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return "";
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}
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string getCPU() {
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std::ifstream readCPU("/proc/cpuinfo");
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if(!readCPU.is_open()) {
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std::cerr << "Error: Couldn't read /proc/cpuinfo\n";
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return "";
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}
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string cpuName;
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string processor;
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string line;
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while (std::getline(readCPU, line)) {
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if(line.empty() || line[0] == '#') continue;
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std::size_t delimiter = line.find(":");
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if(delimiter != string::npos) {
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string key = line.substr(0, delimiter);
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if (key == "model name "){
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cpuName = line.substr(delimiter);
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cpuName = cpuName.substr(2, cpuName.length() - 1);
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}
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else if (key == "processor "){
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processor = line.substr(delimiter + 1);
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processor = processor.substr(1, processor.length() - 1);
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}
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}
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}
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readCPU.close();
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cpuName += " (" + std::to_string(std::stoi(processor) + 1) + ")";
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std::ifstream readFreq("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq");
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if(!readFreq.is_open()) {
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std::cerr << "Error: Couldn't read /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq\n";
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return "";
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}
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string freq;
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std::getline(readFreq, freq);
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float clock = std::stoi(freq) / 1000000.0f;
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std::stringstream ss;
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ss << clock;
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cpuName += " @ " + ss.str() + " GHz";
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readFreq.close();
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if (!cpuName.empty()) return cpuName;
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else return "";
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}
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string getGPU() {
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auto gpus = getGpuIds();
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if (gpus.empty()) return "";
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auto normalizeHex = [](string hex) {
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if (hex.rfind("0x", 0) == 0 || hex.rfind("0X", 0) == 0) {
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hex = hex.substr(2);
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}
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for (char& c : hex) {
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c = static_cast<char>(std::tolower(static_cast<unsigned char>(c)));
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}
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return hex;
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};
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auto joinWith = [](const std::vector<string>& items, const string& sep) {
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string out;
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for (const auto& item : items) {
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if (item.empty()) continue;
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if (!out.empty()) out += sep;
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out += item;
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}
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return out;
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};
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std::ifstream readPciIds("/usr/share/hwdata/pci.ids");
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if(!readPciIds.is_open()) {
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std::cerr << "Error: Couldn't read /usr/share/hwdata/pci.ids\n";
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std::vector<string> ids;
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for (const auto& gpu : gpus) {
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string vendor = normalizeHex(gpu.vendor);
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string device = normalizeHex(gpu.device);
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if (vendor.empty() || device.empty()) continue;
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ids.push_back("0x" + vendor + ":0x" + device);
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}
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return joinWith(ids, " / ");
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}
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std::unordered_map<string, std::unordered_map<string, string>> pciMap;
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string line;
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string currentVendor;
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while (std::getline(readPciIds, line)) {
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if(line.empty() || line[0] == '#') continue;
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if (line[0] != '\t') {
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std::istringstream vendorLine(line);
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if (vendorLine >> currentVendor) {
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currentVendor = normalizeHex(currentVendor);
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} else {
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currentVendor.clear();
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}
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continue;
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}
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if (line.size() < 2 || line[1] == '\t') continue;
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if (currentVendor.empty()) continue;
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std::istringstream deviceLine(line.substr(1));
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string deviceId;
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if (!(deviceLine >> deviceId)) continue;
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string deviceName;
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std::getline(deviceLine, deviceName);
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if (!deviceName.empty()) {
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size_t first = deviceName.find_first_not_of(' ');
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if (first != string::npos) deviceName = deviceName.substr(first);
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else deviceName.clear();
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}
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if (!deviceName.empty()) {
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pciMap[currentVendor][normalizeHex(deviceId)] = deviceName;
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}
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}
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readPciIds.close();
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std::vector<string> gpuNames;
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for (const auto& gpu : gpus) {
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string vendor = normalizeHex(gpu.vendor);
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string device = normalizeHex(gpu.device);
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if (vendor.empty() || device.empty()) continue;
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string name;
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auto vendorIt = pciMap.find(vendor);
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if (vendorIt != pciMap.end()) {
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auto deviceIt = vendorIt->second.find(device);
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if (deviceIt != vendorIt->second.end()) {
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name = deviceIt->second;
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}
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}
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if (name.empty()) {
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name = "0x" + vendor + ":0x" + device;
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}
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gpuNames.push_back(name);
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}
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string result = joinWith(gpuNames, " / ");
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if (!result.empty()) return result;
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return "";
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}
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string getRAM() {
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std::ifstream readRAM("/proc/meminfo");
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if(!readRAM.is_open()) {
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std::cerr << "Error: Couldn't read /proc/meminfo\n";
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return "";
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}
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//
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int memkbs = 0;
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string line;
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while (std::getline(readRAM, line)) {
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if(line.empty() || line[0] == '#') continue;
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int delim = line.find(':');
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if (line.substr(0, delim) == "MemTotal") {
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line = line.substr(16);
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delim = line.find(' ');
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memkbs = std::stoi(line.substr(0, delim));
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break;
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}
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}
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readRAM.close();
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memkbs /= 1024;
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float memory = memkbs / 1024.0f;
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std::stringstream ss;
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ss << memory << " GB";
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string memGigs = ss.str();
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if (!memGigs.empty()) return memGigs;
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return "";
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}
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string getOsDate() {
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struct stat info;
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if (stat("/etc/hostname", &info) != 0) {
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std::cerr << "Error: couldn't read /etc/hostname metadata\n";
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return "";
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}
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std::time_t now = std::time(nullptr);
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if (now < info.st_ctime) {
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return "";
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}
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std::tm startTime{};
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std::tm endTime{};
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if (localtime_r(&info.st_ctime, &startTime) == nullptr) {
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std::cerr << "Error: couldn't convert /etc/hostname ctime\n";
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return "";
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}
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if (localtime_r(&now, &endTime) == nullptr) {
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std::cerr << "Error: couldn't convert current time\n";
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return "";
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}
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auto isLeapYear = [](int year) {
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if (year % 400 == 0) return true;
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if (year % 100 == 0) return false;
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return year % 4 == 0;
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};
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auto daysInMonth = [&](int year, int month) {
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if (month == 2) return isLeapYear(year) ? 29 : 28;
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return 30 + ((month + (month > 7)) % 2);
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};
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int startYear = startTime.tm_year + 1900;
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int startMonth = startTime.tm_mon + 1;
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int startDay = startTime.tm_mday;
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int startHour = startTime.tm_hour;
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int startMinute = startTime.tm_min;
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int endYear = endTime.tm_year + 1900;
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int endMonth = endTime.tm_mon + 1;
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int endDay = endTime.tm_mday;
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int endHour = endTime.tm_hour;
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int endMinute = endTime.tm_min;
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if (endMinute < startMinute) {
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endMinute += 60;
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endHour -= 1;
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}
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if (endHour < startHour) {
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endHour += 24;
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endDay -= 1;
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}
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if (endDay < startDay) {
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endMonth -= 1;
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if (endMonth == 0) {
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endMonth = 12;
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endYear -= 1;
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}
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endDay += daysInMonth(endYear, endMonth);
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}
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if (endMonth < startMonth) {
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endMonth += 12;
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endYear -= 1;
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}
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int years = endYear - startYear;
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int months = endMonth - startMonth;
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int days = endDay - startDay;
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int hours = endHour - startHour;
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int minutes = endMinute - startMinute;
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if (years < 0 || months < 0 || days < 0 || hours < 0 || minutes < 0) {
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return "";
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}
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string out;
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if (years > 0) out += std::to_string(years) + (years == 1 ? " year" : " years");
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if (months > 0) {
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if (!out.empty()) out += " ";
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out += std::to_string(months) + (months == 1 ? " month" : " months");
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}
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if (days > 0) {
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if (!out.empty()) out += " ";
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out += std::to_string(days) + (days == 1 ? " day" : " days");
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}
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if (hours > 0) {
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if (!out.empty()) out += " ";
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out += std::to_string(hours) + (hours == 1 ? " hour" : " hours");
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}
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if (minutes > 0) {
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if (!out.empty()) out += " ";
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out += std::to_string(minutes) + (minutes == 1 ? " minute" : " minutes");
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}
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if (!out.empty()) return out;
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return "0 minutes";
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}
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