std::ios_base::failure

 

C++

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Понятия (концепции)

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Ввод / вывод

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Регулярные выражения (C++11)

Атомарные примитивы (C++11)

Потоки (C++11)

 

Библиотеки ввода / вывода

I / O манипуляторов

C-стиль I / O

Буферы Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (устарело)

Потоки Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Абстракций Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

Файл I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

Струнный I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Массив I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (устарело)

ostrstream (устарело)

strstream (устарело)

Типы Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Интерфейс Ошибка категории Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

ios_base::failure

Член функций Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

failure::failure

 

Заголовочный файл <ios>
class failure;

Класс std::ios_base::failure определяет объект исключения, которое выбрасывается на невыполнение функций в библиотеки ввода / вывода.

Original:

The class std::ios_base::failure defines an exception object that is thrown on failure by the functions in the Input/Output library.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Диаграмма наследования (до C++11)

Диаграмма наследования (начиная с C++11)

Член функций

(constructor)	строит объект исключения Original: constructs the exception object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public функция-член)

Унаследован от std::system_error

Member functions

code	возвращает код ошибки Original: returns error code The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public функция-член std::system_error)
what [virtual]	возвращает пояснительной строкой Original: returns explanatory string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtual public std::system_error функция-член)

Унаследован от std::runtime_error

Унаследован от std::exception

Member functions

(destructor) [virtual]	разрушает объект исключения Original: destructs the exception object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtual public std::exception функция-член)
what [virtual]	возвращает пояснительной строкой Original: returns an explanatory string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtual public std::exception функция-член)

Пример

#include <iostream>
#include <fstream>
int main()
{
    std::ifstream f("doesn't exist");
    try {
        f.exceptions(f.failbit);
    } catch (const std::ios_base::failure& e)
    {
        std::cout << "Caught an ios_base::failure.\n"
                  << "Explanatory string: " << e.what() << '\n'
                  << "Error code: " << e.code() << '\n';
    }
}

Вывод:

Caught an ios_base::failure.
Explanatory string: ios_base::clear: unspecified iostream_category error
Error code: iostream:1

См. также

io_errc (C++11)	IO коды поток ошибок Original: the IO stream error codes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (перечисление)