UTF-8 — libbson 1.6.3

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# UTF-8

## Encoding

Libbson expects that you are always working with UTF-8 encoded text. Anything else is invalid API use.

If you should need to walk through UTF-8 sequences, you can use the various UTF-8 helper functions distributed with Libbson.

## Validating a UTF-8 Sequence

To validate the string contained in `my_string`, use the following. You may pass `-1` for the string length if you know the string is NULL-terminated.

    if (!bson_utf8_validate (my_string, -1, false)) {
       printf ("Validation failed.\n");
    }

If `my_string` has NULL bytes within the string, you must provide the string length. Use the following format. Notice the `true` at the end indicationg `\0` is allowed.

    if (!bson_utf8_validate (my_string, my_string_len, true)) {
       printf ("Validation failed.\n");
    }

For more information see the API reference for bson_utf8_validate().

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