Convert string from UTF-8 to ISO-8859-1

Question

I\'m trying to convert a UTF-8 string to a ISO-8859-1 char* for use in legacy code. The only way I\'m seeing to do this is with iconv.

I w

Answer 1

First convert UTF-8 to 32-bit Unicode.

Then keep the values that are in the range 0 through 255.

Those are the Latin-1 code points, and for other values, decide if you want to treat that as an error or perhaps replace with code point 127 (my fav, the ASCII "del") or question mark or something.

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The C++ standard library defines a std::codecvt specialization that can be used,

template<>
codecvt

C++11 §22.4.1.4/3: “the specialization codecvt converts between the UTF-32 and UTF-8 encoding schemes”