Case-insensitive UTF-8 string collation for SQLite (C/C++)

Question

I am looking for a method to compare and sort UTF-8 strings in C++ in a case-insensitive manner to use it in a custom collation function in SQLite.

1. The method shou

Answer 1

On Windows you can call fall back on the OS function CompareStringW and use the NORM_IGNORECASE flag. You'll have to convert your UTF-8 strings to UTF-16 first. Otherwise, take a look at IBM's International Components for Unicode.