Display of UTF-8 Characters

[<jayrturner99 () gmail com>]

I create a GString str = "A{Dagger}B{Sigma}C"; (i.e.
"\x41\xE2\x80\xA0\x42\xCE\xA3\x43" where \xE2\x80\xA0 is Dagger and \xCE\xA3
is Sigma).

The Dagger is the correct UTF-8 code
(https://www.fileformat.info/info/unicode/char/2020/index.htm)

and the Sigma is the correct UTF-8 code
(https://www.fileformat.info/info/unicode/char/03a3/index.htm).

 

I use col_append_lstr(pinfo->cinfo, COL_INFO, str, COL_ADD_LSTR_TERMINATOR);

The display is "A{Dagger}B{Sigma}C" where the {Dagger} and {Sigma} are the
correct visual single characters.

 

I use proto_string_add_string(., str);

The display is
"A{Dagger}B{black-diamond-with-question-mark}{black-diamond-with-question-ma
rk}C" where the {black-diamond-with-question-mark} is the visual single
character of a black diamond with a question mark (and it is displayed
twice).

 

So col_append_lstr handles UTF-8 and proto_string_add_string partially
handles UTF-8.

 

How can I get a proto_string_* function that will display UTF-8 correctly
like col_append_lstr does?

I do not need any string function to validate my UTF-8 bytes (if I make a
mistake, that's my problem). I just want a consistent display.

 

Environment:

Windows 10 Enterprise (10.0.18363) x64

Microsoft Visual Studio Community 2019 Version 16.7.1

QT v5.15.0 using msvc2019_64

Wireshark 3.3.0 with customer dissector

Wireshark Font Consolas Regular 12.0

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