I just want reliable conversions. In my situation (duct taping a very old service to a newer one), I needed to read structured files with UTF-16 fields, and process them into an eventual UTF-8 file written to a different location. The host this needed to run on did not have any unicode locales installed (and incidentally, I hate changing locales for my software because it's a program-global switch to flip, and most of my program still wants to run in the user's locale).I found it ridiculous that there was no way to just convert UTF-16 to UTF-8 without either reinventing that wheel, pulling in an external dependency, or changing global state and having the right system locales installed (as well as knowing the name of at least one of those locales, and guessing a language along with it), despite having the latest C and C++ compilers at my disposal.
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