--- a/core/config_reader.c
+++ b/core/config_reader.c
@@ -17,7 +17,7 @@
 #include "../directories.h"
 #include "macros.h"
 #include <errno.h>
-
+#include <stdlib.h>
 /*
  * These variables are used to read the configuration.
  */
@@ -1355,7 +1355,7 @@
   char file_path[PATH_MAX];
 
   snprintf(file_path, sizeof(file_path), "%s%s%s%s", gimx_params.homedir, GIMX_DIR, CONFIG_DIR, file);
-
+  snprintf(file_path, sizeof(file_path), "%s", file);
   if(read_file(file_path) == -1)
   {
     gerror("read_file failed\n");
--- a/core/gimx.c
+++ b/core/gimx.c
@@ -8,7 +8,7 @@
 #include <errno.h> //to print errors
 #include <string.h> //to print errors
 #include <limits.h> //PATH_MAX
-
+#include <stdlib.h>
 #ifndef WIN32
 #include <termios.h> //to disable/enable echo
 #include <unistd.h>
@@ -192,7 +192,7 @@
   char file_path[PATH_MAX];
 
   snprintf(file_path, sizeof(file_path), "%s%s%s%s", gimx_params.homedir, GIMX_DIR, CONFIG_DIR, gimx_params.config_file);
-
+  snprintf(file_path, sizeof(file_path), "%s", gimx_params.config_file);
   FILE * fp = gfile_fopen(file_path, "r");
   if (fp == NULL)
   {
--- a/core/connectors/bluetooth/linux/bt_mgmt.c
+++ b/core/connectors/bluetooth/linux/bt_mgmt.c
@@ -322,7 +322,7 @@ static int read_link_keys(uint16_t index, uint16_t nb_keys, bdaddr_t bdaddrs[nb_
   bdaddr_t ba;
   char dongle_bdaddr[18];
 
-  if(bt_device_abs_get(bt_abs_value)->get_bdaddr(index, &ba) < 0)
+  if(bt_device_abs_get()->get_bdaddr(index, &ba) < 0)
   {
     fprintf(stderr, "can't read device bdaddr\n");
     return -1;