Don't initialize static pointers to NULL

[collectd.git] / src / write_sensu.c

diff --git a/src/write_sensu.c b/src/write_sensu.c
index b0c9254..3b4a574 100644 (file)
--- a/src/write_sensu.c
+++ b/src/write_sensu.c
@@ -107,10 +107,10 @@ struct sensu_host {
 #define F_READY 0x01
   uint8_t flags;
   pthread_mutex_t lock;
-  _Bool notifications;
-  _Bool metrics;
-  _Bool store_rates;
-  _Bool always_append_ds;
+  bool notifications;
+  bool metrics;
+  bool store_rates;
+  bool always_append_ds;
   char *separator;
   char *node;
   char *service;
@@ -119,8 +119,8 @@ struct sensu_host {
   int reference_count;
 };
 
-static char *sensu_tags = NULL;
-static char **sensu_attrs = NULL;
+static char *sensu_tags;
+static char **sensu_attrs;
 static size_t sensu_attrs_num;
 
 static int add_str_to_list(struct str_list *strs,
@@ -627,7 +627,7 @@ static char *replace_str(const char *str, const char *old, /* {{{ */
     r += newlen;
     p = q + oldlen;
   }
-  strncpy(r, p, strlen(p));
+  sstrncpy(r, p, sizeof(r));
 
   return ret;
 } /* }}} char *replace_str */
@@ -880,11 +880,9 @@ static int sensu_send_msg(struct sensu_host *host, const char *msg) /* {{{ */
   sensu_close_socket(host);
 
   if (status != 0) {
-    char errbuf[1024];
     ERROR("write_sensu plugin: Sending to Sensu at %s:%s failed: %s",
           (host->node != NULL) ? host->node : SENSU_HOST,
-          (host->service != NULL) ? host->service : SENSU_PORT,
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+          (host->service != NULL) ? host->service : SENSU_PORT, STRERRNO);
     return -1;
   }
 
@@ -999,7 +997,10 @@ static void sensu_free(void *p) /* {{{ */
   sfree(host->separator);
   free_str_list(&(host->metric_handlers));
   free_str_list(&(host->notification_handlers));
+
+  pthread_mutex_unlock(&host->lock);
   pthread_mutex_destroy(&host->lock);
+
   sfree(host);
 } /* }}} void sensu_free */
 
@@ -1018,10 +1019,10 @@ static int sensu_config_node(oconfig_item_t *ci) /* {{{ */
   host->reference_count = 1;
   host->node = NULL;
   host->service = NULL;
-  host->notifications = 0;
-  host->metrics = 0;
-  host->store_rates = 1;
-  host->always_append_ds = 0;
+  host->notifications = false;
+  host->metrics = false;
+  host->store_rates = true;
+  host->always_append_ds = false;
   host->metric_handlers.nb_strs = 0;
   host->metric_handlers.strs = NULL;
   host->notification_handlers.nb_strs = 0;
@@ -1123,16 +1124,17 @@ static int sensu_config_node(oconfig_item_t *ci) /* {{{ */
     return -1;
   }
 
-  if ((host->notification_handlers.nb_strs > 0) && (host->notifications == 0)) {
+  if ((host->notification_handlers.nb_strs > 0) &&
+      (host->notifications == false)) {
     WARNING("write_sensu plugin: NotificationHandler given so forcing "
             "notifications to be enabled");
     host->notifications = 1;
   }
 
-  if ((host->metric_handlers.nb_strs > 0) && (host->metrics == 0)) {
+  if ((host->metric_handlers.nb_strs > 0) && (host->metrics == false)) {
     WARNING("write_sensu plugin: MetricHandler given so forcing metrics to be "
             "enabled");
-    host->metrics = 1;
+    host->metrics = true;
   }
 
   if (!(host->notifications || host->metrics)) {