From 33fb58bbf9b660dbb86c50ce5ff347e7941b8b08 Mon Sep 17 00:00:00 2001
From: Christof Schulze <christof.schulze@gmx.net>
Date: Tue, 13 Aug 2019 19:15:51 +0200
Subject: [PATCH] gluon-mesh-babel: getnumber() allocate sufficient memory
including \0 byte
increase size of path by 1 to be able to fit the full path including trailing \0 byte into array
---
package/gluon-mesh-babel/src/respondd.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/package/gluon-mesh-babel/src/respondd.c b/package/gluon-mesh-babel/src/respondd.c
index 29f20ccf9..d82ce6afc 100644
--- a/package/gluon-mesh-babel/src/respondd.c
+++ b/package/gluon-mesh-babel/src/respondd.c
@@ -388,10 +388,9 @@ static struct json_object * respondd_provider_nodeinfo(void) {
static uint64_t getnumber(const char *ifname, const char *stat) {
const char *format = "/sys/class/net/%s/statistics/%s";
- char path[strlen(format) + strlen(ifname) + strlen(stat)];
+ char path[strlen(format) + strlen(ifname) + strlen(stat) + 1];
snprintf(path, sizeof(path), format, ifname, stat);
- if (! access(path, F_OK))
- {
+ if (! access(path, F_OK)) {
char *line=gluonutil_read_line(path);
long long i = atoll(line);
free(line);
--
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