Re: ifconfig(8) IEEE802.11 SSID format
- Reply: Chris : "Re: ifconfig(8) IEEE802.11 SSID format"
- In reply to: 吳恩緯 : "ifconfig(8) IEEE802.11 SSID format"
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Tue, 18 Oct 2022 07:17:49 UTC
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: > 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. >