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monitor: add better info about the country code IE

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The 3rd byte of the country code was being printed as ASCII but this
byte isn't always a printable character. Instead we can check what
the value is and describe what it means from the spec.
This commit is contained in:
James Prestwood 2024-11-13 05:42:12 -08:00 committed by Denis Kenzior
parent ccd91fe556
commit b4a4495537
1 changed files with 24 additions and 1 deletions
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25
monitor/nlmon.c
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@ -491,7 +491,30 @@ static void print_ie_country(unsigned int level, const char *label,
return; return;
} }
print_attr(level, "%s: %c%c%c", label, code[0], code[1], code[2]); print_attr(level, "%s: %c%c", label, code[0], code[1]);
switch (code[2]) {
case ' ':
print_attr(level + 1,
"3rd octet: 0x%02x: All environments", code[2]);
break;
case 'O':
print_attr(level + 1,
"3rd octet: 0x%02x: Outdoor environments", code[2]);
break;
case 'I':
print_attr(level + 1,
"3rd octet: 0x%02x: Indoor environments", code[2]);
break;
case 'X':
print_attr(level + 1,
"3rd octet: 0x%02x: Non-country entity", code[2]);
break;
default:
print_attr(level + 1,
"3rd octet: 0x%02x: Annex E table", code[2]);
break;
}
while (i < size) { while (i < size) {
if (code[i] > 200) { if (code[i] > 200) {