From 11fec4fa9501bd20aace72235c4525dc87d5d281 Mon Sep 17 00:00:00 2001
From: raiz <raiz@firemail.cc>
Date: Tue, 27 Dec 2016 20:09:07 +0300
Subject: [PATCH] don't allow the use of perc if uninitialized
---
slstatus.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/slstatus.c b/slstatus.c
index ad0b960..7b02205 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -699,11 +699,11 @@ wifi_perc(const char *iface)
fgets(buf, sizeof(buf), fp);
fclose(fp);
- datastart = strstr(buf, concat);
- if (datastart != NULL) {
- datastart = strstr(buf, ":");
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
+ if ((datastart = strstr(buf, concat)) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ datastart = (datastart+(strlen(iface)+1));
+ sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
return smprintf("%d%%", perc);
}