src/plugin.c: Allocate read-callback names on the heap.

This allows to use arbitrarily long callback names.
Prerequisite for fixing #286.

diff --git a/src/plugin.c b/src/plugin.c
index 4c6a032..b2a8b86 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -61,7 +61,7 @@ struct read_func_s
 #define rf_ctx rf_super.cf_ctx
        callback_func_t rf_super;
        char rf_group[DATA_MAX_NAME_LEN];
-       char rf_name[DATA_MAX_NAME_LEN];
+       char *rf_name;
        int rf_type;
        cdtime_t rf_interval;
        cdtime_t rf_effective_interval;
@@ -437,6 +437,7 @@ static void *plugin_read_thread (void __attribute__((unused)) *args)
                {
                        DEBUG ("plugin_read_thread: Destroying the `%s' "
                                        "callback.", rf->rf_name);
+                       sfree (rf->rf_name);
                        destroy_callback ((callback_func_t *) rf);
                        rf = NULL;
                        continue;
@@ -1048,7 +1049,7 @@ int plugin_register_read (const char *name,
        rf->rf_udata.free_func = NULL;
        rf->rf_ctx = plugin_get_ctx ();
        rf->rf_group[0] = '\0';
-       sstrncpy (rf->rf_name, name, sizeof (rf->rf_name));
+       rf->rf_name = strdup (name);
        rf->rf_type = RF_SIMPLE;
        rf->rf_interval = plugin_get_interval ();
 
@@ -1080,7 +1081,7 @@ int plugin_register_complex_read (const char *group, const char *name,
                sstrncpy (rf->rf_group, group, sizeof (rf->rf_group));
        else
                rf->rf_group[0] = '\0';
-       sstrncpy (rf->rf_name, name, sizeof (rf->rf_name));
+       rf->rf_name = strdup (name);
        rf->rf_type = RF_COMPLEX;
        if (interval != NULL)
                rf->rf_interval = TIMESPEC_TO_CDTIME_T (interval);