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add error exception

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chatlanin 2023-04-19 21:18:15 +03:00
parent dea68d7b33
commit a7ec673c10
1 changed files with 34 additions and 26 deletions
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60
bin/main.cpp
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@ -33,34 +33,42 @@ std::string get_size_string(const T& size)
auto main() -> int auto main() -> int
{ {
std::ifstream fs("/etc/mtab"); try
std::FILE* file = std::fopen("/etc/fstab", "r");
struct mntent* mount_entry = nullptr;
std::cout << "\n\n";
while ((mount_entry = getmntent(file)))
{ {
struct statvfs stat; std::FILE* file = std::fopen("/etc/fstab", "r");
if (statvfs(mount_entry->mnt_dir, &stat) != 0) { if (file == nullptr)
std::cerr << "Ошибка при получении информации о файловой системе: " << mount_entry->mnt_dir << "\n"; throw std::runtime_error("File not found");
continue;
struct mntent* mount_entry = nullptr;
std::cout << "\n\n";
while ((mount_entry = getmntent(file)))
{
struct statvfs stat;
if (statvfs(mount_entry->mnt_dir, &stat) != 0) {
std::cerr << "Ошибка при получении информации о файловой системе: " << mount_entry->mnt_dir << "\n";
continue;
}
unsigned long long total_size = (unsigned long long)stat.f_frsize * stat.f_blocks;
unsigned long long free_size = (unsigned long long)stat.f_frsize * stat.f_bfree;
unsigned long long used_size = total_size - free_size;
std::cout << "Точка монтирования: " << mount_entry->mnt_dir << "\n";
std::cout << "Тип файловой системы: " << mount_entry->mnt_type << "\n";
std::cout << "Общий объем: ";
print_in_color(get_size_string(total_size), "0;33");
std::cout << "\nСвободное место: ";
print_in_color(get_size_string(free_size), "0;32");
std::cout << "\nИспользовано: ";
print_in_color(get_size_string(used_size), "0;35");
std::cout << "\n\n";
} }
unsigned long long total_size = (unsigned long long)stat.f_frsize * stat.f_blocks; std::fclose(file);
unsigned long long free_size = (unsigned long long)stat.f_frsize * stat.f_bfree; }
unsigned long long used_size = total_size - free_size; catch (const std::exception& e)
{
std::cout << "Точка монтирования: " << mount_entry->mnt_dir << "\n"; std::cerr << e.what() << std::endl;
std::cout << "Тип файловой системы: " << mount_entry->mnt_type << "\n"; return 1;
std::cout << "Общий объем: ";
print_in_color(get_size_string(total_size), "0;33");
std::cout << "\nСвободное место: ";
print_in_color(get_size_string(free_size), "0;32");
std::cout << "\nИспользовано: ";
print_in_color(get_size_string(used_size), "0;35");
std::cout << "\n\n";
} }
std::fclose(file);
fs.close();
} }