Implement basic percentage calculation for wifi_perc. With this
commit, the function returns correct percentage, since the max
of what /proc/net/wireless returns is 70.
---
components/wifi.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/components/wifi.c b/components/wifi.c
index 30b57ab..9ecb8e1 100644
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -14,7 +14,9 @@
const char *
wifi_perc(const char *iface)
{
- int i, perc;
+ int i, cur;
+ float perc;
+ int total = 70; /* the max of /proc/net/wireless */
char *p, *datastart;
char path[PATH_MAX];
char status[5];
@@ -50,9 +52,11 @@ wifi_perc(const char *iface)
return NULL;
datastart = (datastart+(strlen(iface)+1));
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d
%*d %*d %*d %*d", &perc);
+ sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d
%*d %*d %*d %*d", &cur);
- return bprintf("%d", perc);
+ perc = (float)cur / total * 100.0;
+
+ return bprintf("%.0f", perc);
}
const char *
--
2.14.3
