Date: Tue, 18 Oct 2022 08:03:57 -0700 From: Chris <bsd-lists@bsdforge.com> To: =?UTF-8?Q?=E5=90=B3=E6=81=A9=E7=B7=AF?= <rickywu0421@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: ifconfig(8) IEEE802.11 SSID format Message-ID: <961834ad41c1ba148dccfa49b626f28c@bsdforge.com> In-Reply-To: <CAM71UgdAx2s2JfLV=ujrq7CWJgW%2BYznr8nbURg=tTX09hL%2B1Qw@mail.gmail.com> References: <CAM71UgdWKY_zeY-p14CpV2Tc%2BRuzWsorgcZxXmmhk8u15rOKig@mail.gmail.com> <CAM71UgdAx2s2JfLV=ujrq7CWJgW%2BYznr8nbURg=tTX09hL%2B1Qw@mail.gmail.com>
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--=_7e578383209e9701761ffaee294473ce Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8; format=flowed On 2022-10-18 00:17, 吳恩緯 wrote: >> Currently `ifconfig wlanX scan` will show SSID in hex when the scanned >> SSID is non-printable. And the non-printable character is when the >> character with value < 32 or value >= 126 in ifconfig(8)'s implementation. >> That leads to a problem that other languages using UTF-8 or other encoding >> will be treated as non-printable in ifconfig(8), thus not printed on >> screen. >> >> Here is the possible way to solve the problem: >> When a SSID is going to be printed, copy the byte stream (uint8_t *) into >> wide character stream (wchar_t *), and use libc iswprint(3) to check >> whether characters are printable or non-printable. I have tested this and >> it is workable when the locale is correctly set. >> > Sorry for not explaining the whole situation. > > The previous email was asking for everyone about how to solve the problem > explained in it, and I also introduced a way to deal with it, which may or > may not be adopted. > > 吳恩緯 <rickywu0421@gmail.com> 於 2022年10月18日 週二 上午11:25寫道： > Maybe a differential[1] or a pr[2] would be in order, so that others can profit from your work here? :-) --chris 1) https://reviews.freebsd.org 2) https://bugs.freebsd.org --=_7e578383209e9701761ffaee294473ce Content-Transfer-Encoding: 7bit Content-Type: application/pgp-keys; name=0xBDE49540.asc Content-Disposition: attachment; filename=0xBDE49540.asc; size=5028 -----BEGIN PGP PUBLIC KEY BLOCK----- mQENBGDTzGEBCADHlXdS4V57s2soaEK2wi3o9rr9zo7to/giBSxCpFYJxOnPkL5A 2ibbvflrL8sWvAczx47wgDS7iIhzICBBRdnXtcFGnoeeriV27LSn+PcpnIB+DaWZ xe+6TDC0Z0JUJ7qDTjUBFzhnQGYlrVvc4WbnWTjJaB1LEwgIX8JqX5S3SX0/oXgs 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