From: Philipp Psurek <philipp.psurek@gmail.com>
Date: Tue, 13 Jun 2017 10:25:59 +0200
Subject: batctl: change PATH_BUFF_LEN to maximal possible value

The output of

snprintf(path_buff, PATH_BUFF_LEN, SYS_ROUTING_ALGO_FMT, iface_dir->d_name)

in sys.c can be between 34 and 289 bytes and should not write into a
destination of size 200.

Signed-off-by: Philipp Psurek <philipp.psurek@gmail.com>
[sw: use higher limits to be future-proof]
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

Origin: upstream, https://git.open-mesh.org/batctl.git/commit/620226bf8cff30e6dd966c8fe922b2d4cddf843b

diff --git a/functions.c b/functions.c
index abd588209337dcfa04be9aadbf4ba39bb46771bb..676012bb56f9f8aa757b4805e27d904181ee2d27 100644
--- a/functions.c
+++ b/functions.c
@@ -59,7 +59,7 @@
 #include "debugfs.h"
 #include "netlink.h"
 
-#define PATH_BUFF_LEN 200
+#define PATH_BUFF_LEN 400
 
 static struct timespec start_time;
 static char *host_name;
diff --git a/functions.h b/functions.h
index 95cd6cf32b0c97cc36f7a81a7d8b126a0bbc389b..99e9085b4f392452d0e0b711dac334559408c1fb 100644
--- a/functions.h
+++ b/functions.h
@@ -31,7 +31,7 @@
 #define ETH_STR_LEN 17
 #define BATMAN_ADV_TAG "batman-adv:"
 
-#define PATH_BUFF_LEN 200
+#define PATH_BUFF_LEN 400
 
 /* return time delta from start to end in milliseconds */
 void start_timer(void);