From: Aaron Marcher <info@nulltime.net>
Date: Fri, 10 Jun 2016 16:22:05 +0000 (+0200)
Subject: fixed hostname function and added HOST_NAME_MAX limit
X-Git-Url: https://git.atheridis.org/?a=commitdiff_plain;h=c7f3a407f4f8d539fe68cbf7dde76876cbcbccaa;p=suckless%2Fslstatus.git

fixed hostname function and added HOST_NAME_MAX limit
---

diff --git a/slstatus.c b/slstatus.c
index 5bbf58a..404ead6 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -5,6 +5,7 @@
 #include <arpa/inet.h>
 #include <fcntl.h>
 #include <ifaddrs.h>
+#include <limits.h>
 #include <locale.h>
 #include <netdb.h>
 #include <stdarg.h>
@@ -212,7 +213,7 @@ entropy(const char *null)
 char *
 hostname(const char *null)
 {
-    char *hostname = "";
+    char hostname[HOST_NAME_MAX];
     FILE *fp;
 
     /* open hostname file */
@@ -222,7 +223,7 @@ hostname(const char *null)
     }
 
     /* extract hostname */
-    fscanf(fp, "%s", hostname);
+    fscanf(fp, "%s\n", hostname);
 
     /* close hostname file */
     fclose(fp);