How to Convert UTF-8 to UTF-16 in Modern Standard C ?

Standard C Solution for UTF-8 to UTF-16 Conversion

With the deprecation of the header, converting UTF-8 to UTF-16 in modern C requires a different approach. Let's explore the available options:

Using the Standard Library

Despite the deprecation of , the specialization std::codecvt remains available. This can be used to convert characters one by one, but it's not as convenient as the now-deprecated std::wstring_convert and std::wbuffer_convert facilities.

Implementing Your Own Solution

To convert strings without relying on the deprecated API, you can implement your own conversion functions. This involves creating a custom codecvt facet and using it with a stream buffer.

Using Third-Party Libraries

Several third-party libraries, such as Boost.MultiIndex, provide UTF-8 to UTF-16 conversion functionality. Using a library can simplify the implementation process, but it introduces external dependencies.

Conclusion

While the deprecation of the header has removed some convenient conversion options, it's still possible to perform UTF-8 to UTF-16 conversions in standard C . By implementing your own solution or using a third-party library, you can continue to work with Unicode text efficiently.

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