apache plugin: Check if an URL was given at configuration time.

diff --git a/src/apache.c b/src/apache.c
index 9cec8fd..4662272 100644 (file)
--- a/src/apache.c
+++ b/src/apache.c
@@ -246,6 +246,15 @@ static int config_add (oconfig_item_t *ci)
                        break;
        }
 
+       /* Check if struct is complete.. */
+       if ((status == 0) && (st->url == NULL))
+       {
+               ERROR ("apache plugin: Instance `%s': "
+                               "No URL has been configured.",
+                               st->name);
+               status = -1;
+       }
+
        if (status == 0)
        {
                user_data_t ud;
@@ -338,16 +347,13 @@ static int init_host (apache_t *st) /* {{{ */
 {
        static char credentials[1024];
 
-       if (st->url == NULL)
-       {
-               WARNING ("apache plugin: init_host: No URL configured, returning "
-                               "an error.");
-               return (-1);
-       }
+       assert (st->url != NULL);
+       /* (Assured by `config_add') */
 
        if (st->curl != NULL)
        {
                curl_easy_cleanup (st->curl);
+               st->curl = NULL;
        }
 
        if ((st->curl = curl_easy_init ()) == NULL)
@@ -515,6 +521,9 @@ static int apache_read_host (user_data_t *user_data) /* {{{ */
 
        st = user_data->data;
 
+       assert (st->url != NULL);
+       /* (Assured by `config_add') */
+
        if (st->curl == NULL)
        {
                int status;
@@ -525,9 +534,6 @@ static int apache_read_host (user_data_t *user_data) /* {{{ */
        }
        assert (st->curl != NULL);
 
-       if (st->url == NULL)
-               return (-1);
-
        st->apache_buffer_fill = 0;
        if (curl_easy_perform (st->curl) != 0)
        {