Merge branch 'collectd-5.5' into collectd-5.6

[collectd.git] / src / openvpn.c

diff --git a/src/openvpn.c b/src/openvpn.c
index ec76a7a..00ae736 100644 (file)
--- a/src/openvpn.c
+++ b/src/openvpn.c
@@ -26,6 +26,7 @@
  **/
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 
@@ -521,12 +522,12 @@ static int multi4_read (const char *name, FILE *fh)
 static int openvpn_read (void)
 {
        FILE *fh;
-       int  i, read;
+       int  read;
 
        read = 0;
 
        /* call the right read function for every status entry in the list */
-       for (i = 0; i < vpn_num; i++)
+       for (int i = 0; i < vpn_num; i++)
        {
                int vpn_read = 0;
 
@@ -650,7 +651,7 @@ static int openvpn_config (const char *key, const char *value)
        if (strcasecmp ("StatusFile", key) == 0)
        {
                char    *status_file, *status_name, *filename;
-               int     status_version, i;
+               int     status_version;
                vpn_status_t *temp;
 
                /* try to detect the status file format */
@@ -686,7 +687,7 @@ static int openvpn_config (const char *key, const char *value)
                }
 
                /* scan the list looking for a clone */
-               for (i = 0; i < vpn_num; i++)
+               for (int i = 0; i < vpn_num; i++)
                {
                        if (strcasecmp (vpn_list[i]->name, status_name) == 0)
                        {
@@ -712,17 +713,19 @@ static int openvpn_config (const char *key, const char *value)
                temp->version = status_version;
                temp->name = status_name;
 
-               vpn_list = (vpn_status_t **) realloc (vpn_list, (vpn_num + 1) * sizeof (vpn_status_t *));
-               if (vpn_list == NULL)
+               vpn_status_t **tmp_list = realloc (vpn_list, (vpn_num + 1) * sizeof (*vpn_list));
+               if (tmp_list == NULL)
                {
                        char errbuf[1024];
                        ERROR ("openvpn plugin: realloc failed: %s",
                                        sstrerror (errno, errbuf, sizeof (errbuf)));
 
+                       sfree (vpn_list);
                        sfree (temp->file);
                        sfree (temp);
                        return (1);
                }
+               vpn_list = tmp_list;
 
                vpn_list[vpn_num] = temp;
                vpn_num++;
@@ -775,9 +778,7 @@ static int openvpn_config (const char *key, const char *value)
 /* shutdown callback */
 static int openvpn_shutdown (void)
 {
-       int i;
-
-       for (i = 0; i < vpn_num; i++)
+       for (int i = 0; i < vpn_num; i++)
        {
                sfree (vpn_list[i]->file);
                sfree (vpn_list[i]);