What is C++ locale?

What is C++ locale?

A locale is a set of features that are culture-specific, which can be used by programs to be more portable internationally. In C++, locales are represented by an object of the locale class. Each of these locale objects contains all the information needed to use a set of culture-dependent features.

How do I change my locale to UTF8?

To enable UTF-8 mode, use “. UTF8” as the code page when using setlocale . For example, setlocale(LC_ALL, “. UTF8”) will use the current default Windows ANSI code page (ACP) for the locale and UTF-8 for the code page.

What is STD locale?

An object of class std::locale is an immutable indexed set of immutable facets. Each stream object of the C++ input/output library is associated with an std::locale object and uses its facets for parsing and formatting of all data. In addition, a locale object is associated with each std::basic_regex object.

What does set locale do?

The setlocale() function is used to set or query the program’s current locale. If locale is not NULL, the program’s current locale is modified according to the arguments. The argument category determines which parts of the program’s current locale should be modified.

What is a C++ facet?

A facet is an object which can be stored in a locale and retrieved from the locale based on its type. Facets encapsulate data about cultural and language dependencies. They also contain services (functions) that use the encapsulated data to help you internationalize your programs.

What is the default C locale?

The C locale, also known as the POSIX locale, is the POSIX system default locale for all POSIX-compliant systems. The Oracle Solaris operating system is a POSIX system. The Single UNIX Specification, Version 3, defines the C locale.

How do I change my Windows locale?

View the System Locale settings for Windows

  1. Click Start then Control Panel.
  2. Click Clock, Language and Region.
  3. Windows 10, Windows 8: Click Region.
  4. Click the Administrative tab.
  5. Under the Language for non-Unicode programs section, click Change system locale and select the desired language.
  6. Click OK.

How do I edit etc locale?

Manually

  1. Edit the file /etc/locale.gen and add your locale settings (one set per line), e.g.: de_DE.UTF-8 UTF-8 de_DE ISO-8859-1 de_DE@euro ISO-8859-15.
  2. Run the command locale-gen.
  3. Run the command locale -a to verify the list of available locales; note that the spellings change.

What locale is C?

Is Setlocale thread safe?

The call to setlocale() may or may not be threadsafe, but the locale setting itself is per-process, not per-thread. That means that even if you setlocale() is thread-safe or you use a mutex to protect yourself, the change will still update the current locale for all your threads.

What does en_US UTF 8 mean?

The en_US. UTF-8 locale is a significant Unicode locale in the Solaris 8 product. It supports and provides multiscript processing capability by using UTF-8 as its codeset. It can input and output text in multiple scripts. This was the first locale with this capability in the Solaris operating environment.

How do I change the system region?

  1. Click the Start button, and then click Control Panel.
  2. Click Clock, Language, and Region, and then click Regional and Language Options.
  3. On the Formats tab, under Current format, click Customize this format.
  4. Click the tab that contains the settings that you want to modify, and make your changes.