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cmd/auxstats: improve wireless interface name matcher in Linux

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Nic 2021-10-17 14:18:29 +01:00 • committed by Dan Cross
parent e683bdfa76
commit 0ac2a105ae
1 changed files with 4 additions and 1 deletions
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5
src/cmd/auxstats/Linux.c
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@ -1,6 +1,7 @@
#include <u.h> #include <u.h>
#include <libc.h> #include <libc.h>
#include <bio.h> #include <bio.h>
#include <regexp.h>
#include "dat.h" #include "dat.h"
void xapm(int); void xapm(int);
@ -235,10 +236,12 @@ void
xwireless(int first) xwireless(int first)
{ {
static int fd = -1; static int fd = -1;
static Reprog *wlan = nil;
int i; int i;
if(first){ if(first){
fd = open("/proc/net/wireless", OREAD); fd = open("/proc/net/wireless", OREAD);
wlan = regcomp("^(wlan[0-9]+|wlp[0-9]+s[0-9]+):$");
return; return;
} }
@ -247,7 +250,7 @@ xwireless(int first)
tokens(i); tokens(i);
if(ntok < 3) if(ntok < 3)
continue; continue;
if(strcmp(tok[0], "wlan0:") == 0) if(regexec(wlan, tok[0], nil, 0) == 1)
Bprint(&bout, "802.11 =%lld 100\n", atoll(tok[2])); Bprint(&bout, "802.11 =%lld 100\n", atoll(tok[2]));
} }
} }