suckless/slstatus

don't allow the use of perc if uninitialized (11fec4fa9501bd20aace72235c4525dc87d5d281)
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commit 11fec4fa9501bd20aace72235c4525dc87d5d281
parent 8b5b72b65efeaab5985e704f00e5865e3cfe4528
Author: raiz <[email protected]>
Date:   Tue, 27 Dec 2016 20:09:07 +0300

don't allow the use of perc if uninitialized

Diffstat:

Mslstatus.c8++++----


1 file changed, 4 insertions(+), 4 deletions(-)

diff --git 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);
 }