From c8d167c5af263b6f56b39275fd5b281bdaf48b02 Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sat, 23 Apr 2016 13:35:09 +0200
Subject: [PATCH] realloc: remove unnecessary casts of return value

---
 src/apache.c                  | 2 +-
 src/ascent.c                  | 2 +-
 src/bind.c                    | 4 ++--
 src/collectd-nagios.c         | 2 +-
 src/curl.c                    | 2 +-
 src/curl_xml.c                | 2 +-
 src/daemon/configfile.c       | 6 +++---
 src/daemon/filter_chain.c     | 2 +-
 src/daemon/utils_cache.c      | 2 +-
 src/daemon/utils_tail_match.c | 2 +-
 src/dbi.c                     | 4 ++--
 src/filecount.c               | 2 +-
 src/iptables.c                | 2 +-
 src/java.c                    | 6 +++---
 src/liboconfig/scanner.l      | 2 +-
 src/match_value.c             | 2 +-
 src/netlink.c                 | 2 +-
 src/notify_email.c            | 2 +-
 src/ntpd.c                    | 2 +-
 src/oracle.c                  | 2 +-
 src/perl.c                    | 4 ++--
 src/postgresql.c              | 6 +++---
 src/powerdns.c                | 4 ++--
 src/rrdtool.c                 | 4 ++--
 src/snmp.c                    | 2 +-
 src/table.c                   | 4 ++--
 src/tail.c                    | 2 +-
 src/target_scale.c            | 2 +-
 src/utils_db_query.c          | 6 +++---
 29 files changed, 43 insertions(+), 43 deletions(-)

diff --git a/src/apache.c b/src/apache.c
index baa6081a..3d25c350 100644
--- a/src/apache.c
+++ b/src/apache.c
@@ -105,7 +105,7 @@ static size_t apache_curl_callback (void *buf, size_t size, size_t nmemb,
 	{
 		char *temp;
 
-		temp = (char *) realloc (st->apache_buffer,
+		temp = realloc (st->apache_buffer,
 				st->apache_buffer_fill + len + 1);
 		if (temp == NULL)
 		{
diff --git a/src/ascent.c b/src/ascent.c
index d38e8591..74f714a8 100644
--- a/src/ascent.c
+++ b/src/ascent.c
@@ -161,7 +161,7 @@ static size_t ascent_curl_callback (void *buf, size_t size, size_t nmemb, /* {{{
   {
     char *temp;
 
-    temp = (char *) realloc (ascent_buffer,
+    temp = realloc (ascent_buffer,
         ascent_buffer_fill + len + 1);
     if (temp == NULL)
     {
diff --git a/src/bind.c b/src/bind.c
index f2cd1677..a546ff97 100644
--- a/src/bind.c
+++ b/src/bind.c
@@ -1613,7 +1613,7 @@ static int bind_config_add_view_zone (cb_view_t *view, /* {{{ */
     return (-1);
   }
 
-  tmp = (char **) realloc (view->zones,
+  tmp = realloc (view->zones,
       sizeof (char *) * (view->zones_num + 1));
   if (tmp == NULL)
   {
@@ -1644,7 +1644,7 @@ static int bind_config_add_view (oconfig_item_t *ci) /* {{{ */
     return (-1);
   }
 
-  tmp = (cb_view_t *) realloc (views, sizeof (*views) * (views_num + 1));
+  tmp = realloc (views, sizeof (*views) * (views_num + 1));
   if (tmp == NULL)
   {
     ERROR ("bind plugin: realloc failed.");
diff --git a/src/collectd-nagios.c b/src/collectd-nagios.c
index 712c24fa..fe56d5d3 100644
--- a/src/collectd-nagios.c
+++ b/src/collectd-nagios.c
@@ -694,7 +694,7 @@ int main (int argc, char **argv)
 			case 'd':
 			{
 				char **tmp;
-				tmp = (char **) realloc (match_ds_g,
+				tmp = realloc (match_ds_g,
 						(match_ds_num_g + 1)
 						* sizeof (char *));
 				if (tmp == NULL)
diff --git a/src/curl.c b/src/curl.c
index 4bb58e2c..ea03ce22 100644
--- a/src/curl.c
+++ b/src/curl.c
@@ -108,7 +108,7 @@ static size_t cc_curl_callback (void *buf, /* {{{ */
     size_t temp_size;
 
     temp_size = wp->buffer_fill + len + 1;
-    temp = (char *) realloc (wp->buffer, temp_size);
+    temp = realloc (wp->buffer, temp_size);
     if (temp == NULL)
     {
       ERROR ("curl plugin: realloc failed.");
diff --git a/src/curl_xml.c b/src/curl_xml.c
index 58cb42db..fa2f0ca4 100644
--- a/src/curl_xml.c
+++ b/src/curl_xml.c
@@ -121,7 +121,7 @@ static size_t cx_curl_callback (void *buf, /* {{{ */
   {
     char *temp;
 
-    temp = (char *) realloc (db->buffer,
+    temp = realloc (db->buffer,
                     db->buffer_fill + len + 1);
     if (temp == NULL)
     {
diff --git a/src/daemon/configfile.c b/src/daemon/configfile.c
index 1d81a652..70ada80a 100644
--- a/src/daemon/configfile.c
+++ b/src/daemon/configfile.c
@@ -514,7 +514,7 @@ static int cf_ci_replace_child (oconfig_item_t *dst, oconfig_item_t *src,
 		return (0);
 	}
 
-	temp = (oconfig_item_t *) realloc (dst->children,
+	temp = realloc (dst->children,
 			sizeof (oconfig_item_t)
 			* (dst->children_num + src->children_num - 1));
 	if (temp == NULL)
@@ -562,7 +562,7 @@ static int cf_ci_append_children (oconfig_item_t *dst, oconfig_item_t *src)
 	if ((src == NULL) || (src->children_num == 0))
 		return (0);
 
-	temp = (oconfig_item_t *) realloc (dst->children,
+	temp = realloc (dst->children,
 			sizeof (oconfig_item_t)
 			* (dst->children_num + src->children_num));
 	if (temp == NULL)
@@ -749,7 +749,7 @@ static oconfig_item_t *cf_read_dir (const char *dir,
 		}
 
 		++filenames_num;
-		tmp = (char **) realloc (filenames,
+		tmp = realloc (filenames,
 				filenames_num * sizeof (*filenames));
 		if (tmp == NULL) {
 			ERROR ("configfile: realloc failed.");
diff --git a/src/daemon/filter_chain.c b/src/daemon/filter_chain.c
index f4e343c1..a622af96 100644
--- a/src/daemon/filter_chain.c
+++ b/src/daemon/filter_chain.c
@@ -655,7 +655,7 @@ static int fc_bit_write_create (const oconfig_item_t *ci, /* {{{ */
       }
       plugin = child->values[j].value.string;
 
-      temp = (fc_writer_t *) realloc (plugin_list, (plugin_list_len + 2)
+      temp = realloc (plugin_list, (plugin_list_len + 2)
           * (sizeof (*plugin_list)));
       if (temp == NULL)
       {
diff --git a/src/daemon/utils_cache.c b/src/daemon/utils_cache.c
index b5b059c0..9328d7ad 100644
--- a/src/daemon/utils_cache.c
+++ b/src/daemon/utils_cache.c
@@ -263,7 +263,7 @@ int uc_check_timeout (void)
       continue;
 
     /* If entry has not been updated, add to `keys' array */
-    tmp = (char **) realloc ((void *) keys,
+    tmp = realloc ((void *) keys,
 	(keys_len + 1) * sizeof (char *));
     if (tmp == NULL)
     {
diff --git a/src/daemon/utils_tail_match.c b/src/daemon/utils_tail_match.c
index 1e5da95e..1aeb814a 100644
--- a/src/daemon/utils_tail_match.c
+++ b/src/daemon/utils_tail_match.c
@@ -179,7 +179,7 @@ int tail_match_add_match (cu_tail_match_t *obj, cu_match_t *match,
 {
   cu_tail_match_match_t *temp;
 
-  temp = (cu_tail_match_match_t *) realloc (obj->matches,
+  temp = realloc (obj->matches,
       sizeof (cu_tail_match_match_t) * (obj->matches_num + 1));
   if (temp == NULL)
     return (-1);
diff --git a/src/dbi.c b/src/dbi.c
index 655581e8..36e0d169 100644
--- a/src/dbi.c
+++ b/src/dbi.c
@@ -240,7 +240,7 @@ static int cdbi_config_add_database_driver_option (cdbi_database_t *db, /* {{{ *
     return (-1);
   }
 
-  option = (cdbi_driver_option_t *) realloc (db->driver_options,
+  option = realloc (db->driver_options,
       sizeof (*option) * (db->driver_options_num + 1));
   if (option == NULL)
   {
@@ -386,7 +386,7 @@ static int cdbi_config_add_database (oconfig_item_t *ci) /* {{{ */
   {
     cdbi_database_t **temp;
 
-    temp = (cdbi_database_t **) realloc (databases,
+    temp = realloc (databases,
         sizeof (*databases) * (databases_num + 1));
     if (temp == NULL)
     {
diff --git a/src/filecount.c b/src/filecount.c
index 270e5d05..c81fdc25 100644
--- a/src/filecount.c
+++ b/src/filecount.c
@@ -399,7 +399,7 @@ static int fc_config_add_dir (oconfig_item_t *ci)
   {
     fc_directory_conf_t **temp;
 
-    temp = (fc_directory_conf_t **) realloc (directories,
+    temp = realloc (directories,
         sizeof (*directories) * (directories_num + 1));
     if (temp == NULL)
     {
diff --git a/src/iptables.c b/src/iptables.c
index 1e35851a..0103725f 100644
--- a/src/iptables.c
+++ b/src/iptables.c
@@ -204,7 +204,7 @@ static int iptables_config (const char *key, const char *value)
     table = NULL;
     chain = NULL;
 
-    list = (ip_chain_t **) realloc (chain_list, (chain_num + 1) * sizeof (ip_chain_t *));
+    list = realloc (chain_list, (chain_num + 1) * sizeof (ip_chain_t *));
     if (list == NULL)
     {
         char errbuf[1024];
diff --git a/src/java.c b/src/java.c
index 50cd6965..4187e7c3 100644
--- a/src/java.c
+++ b/src/java.c
@@ -1905,7 +1905,7 @@ static int cjni_callback_register (JNIEnv *jvm_env, /* {{{ */
 
   pthread_mutex_lock (&java_callbacks_lock);
 
-  tmp = (cjni_callback_info_t *) realloc (java_callbacks,
+  tmp = realloc (java_callbacks,
       (java_callbacks_num + 1) * sizeof (*java_callbacks));
   if (tmp == NULL)
   {
@@ -2167,7 +2167,7 @@ static int cjni_config_add_jvm_arg (oconfig_item_t *ci) /* {{{ */
     return (-1);
   }
 
-  tmp = (char **) realloc (jvm_argv, sizeof (char *) * (jvm_argc + 1));
+  tmp = realloc (jvm_argv, sizeof (char *) * (jvm_argc + 1));
   if (tmp == NULL)
   {
     ERROR ("java plugin: realloc failed.");
@@ -2203,7 +2203,7 @@ static int cjni_config_load_plugin (oconfig_item_t *ci) /* {{{ */
   if (jvm_env == NULL)
     return (-1);
 
-  class = (java_plugin_class_t *) realloc (java_classes_list,
+  class = realloc (java_classes_list,
       (java_classes_list_len + 1) * sizeof (*java_classes_list));
   if (class == NULL)
   {
diff --git a/src/liboconfig/scanner.l b/src/liboconfig/scanner.l
index 41d66438..7a831c2a 100644
--- a/src/liboconfig/scanner.l
+++ b/src/liboconfig/scanner.l
@@ -146,7 +146,7 @@ static void ml_append (char *string)
 
 	if (ml_free <= len) {
 		ml_len += len - ml_free + 1;
-		ml_buffer = (char *)realloc (ml_buffer, ml_len);
+		ml_buffer = realloc (ml_buffer, ml_len);
 		if (NULL == ml_buffer)
 			YY_FATAL_ERROR ("out of dynamic memory in ml_append");
 	}
diff --git a/src/match_value.c b/src/match_value.c
index 64e11367..fd63ad83 100644
--- a/src/match_value.c
+++ b/src/match_value.c
@@ -129,7 +129,7 @@ static int mv_config_add_data_source (mv_match_t *m, /* {{{ */
 
   /* Allocate space for the char pointers */
   new_data_sources_num = m->data_sources_num + ((size_t) ci->values_num);
-  temp = (char **) realloc (m->data_sources,
+  temp = realloc (m->data_sources,
       new_data_sources_num * sizeof (char *));
   if (temp == NULL)
   {
diff --git a/src/netlink.c b/src/netlink.c
index c8905d5c..5c3a9f00 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -244,7 +244,7 @@ static int update_iflist (struct ifinfomsg *msg, const char *dev)
   {
     char **temp;
 
-    temp = (char **) realloc (iflist, (msg->ifi_index + 1) * sizeof (char *));
+    temp = realloc (iflist, (msg->ifi_index + 1) * sizeof (char *));
     if (temp == NULL)
     {
       ERROR ("netlink plugin: update_iflist: realloc failed.");
diff --git a/src/notify_email.c b/src/notify_email.c
index 6843987c..c77b2d19 100644
--- a/src/notify_email.c
+++ b/src/notify_email.c
@@ -176,7 +176,7 @@ static int notify_email_config (const char *key, const char *value)
   {
     char **tmp;
 
-    tmp = (char **) realloc ((void *) recipients, (recipients_len + 1) * sizeof (char *));
+    tmp = realloc (recipients, (recipients_len + 1) * sizeof (char *));
     if (tmp == NULL) {
       ERROR ("notify_email: realloc failed.");
       return (-1);
diff --git a/src/ntpd.c b/src/ntpd.c
index 4a31e455..1071d0b3 100644
--- a/src/ntpd.c
+++ b/src/ntpd.c
@@ -663,7 +663,7 @@ static int ntpd_receive_response (int *res_items, int *res_size,
 		 */
 		DEBUG ("realloc (%p, %zu)", (void *) *res_data,
 				(items_num + pkt_item_num) * res_item_size);
-		items = realloc ((void *) *res_data,
+		items = realloc (*res_data,
 				(items_num + pkt_item_num) * res_item_size);
 		if (items == NULL)
 		{
diff --git a/src/oracle.c b/src/oracle.c
index 55139dd1..cb9b3dbf 100644
--- a/src/oracle.c
+++ b/src/oracle.c
@@ -299,7 +299,7 @@ static int o_config_add_database (oconfig_item_t *ci) /* {{{ */
   {
     o_database_t **temp;
 
-    temp = (o_database_t **) realloc (databases,
+    temp = realloc (databases,
         sizeof (*databases) * (databases_num + 1));
     if (temp == NULL)
     {
diff --git a/src/perl.c b/src/perl.c
index 920e7b3f..27214bb6 100644
--- a/src/perl.c
+++ b/src/perl.c
@@ -2382,7 +2382,7 @@ static int perl_config_enabledebugger (pTHX_ oconfig_item_t *ci)
 
 	value = ci->values[0].value.string;
 
-	perl_argv = (char **)realloc (perl_argv,
+	perl_argv = realloc (perl_argv,
 			(++perl_argc + 1) * sizeof (char *));
 
 	if (NULL == perl_argv) {
@@ -2419,7 +2419,7 @@ static int perl_config_includedir (pTHX_ oconfig_item_t *ci)
 	value = ci->values[0].value.string;
 
 	if (NULL == aTHX) {
-		perl_argv = (char **)realloc (perl_argv,
+		perl_argv = realloc (perl_argv,
 				(++perl_argc + 1) * sizeof (char *));
 
 		if (NULL == perl_argv) {
diff --git a/src/postgresql.c b/src/postgresql.c
index b4b4ca77..759560e8 100644
--- a/src/postgresql.c
+++ b/src/postgresql.c
@@ -224,7 +224,7 @@ static c_psql_database_t *c_psql_database_new (const char *name)
 		return NULL;
 	}
 
-	tmp = (c_psql_database_t **)realloc (databases,
+	tmp = realloc (databases,
 			(databases_num + 1) * sizeof (*databases));
 	if (NULL == tmp) {
 		log_err ("Out of memory.");
@@ -1115,7 +1115,7 @@ static int config_add_writer (oconfig_item_t *ci,
 		if (strcasecmp (name, src_writers[i].name) != 0)
 			continue;
 
-		tmp = (c_psql_writer_t **)realloc (*dst_writers,
+		tmp = realloc (*dst_writers,
 				sizeof (**dst_writers) * (*dst_writers_num + 1));
 		if (tmp == NULL) {
 			log_err ("Out of memory.");
@@ -1151,7 +1151,7 @@ static int c_psql_config_writer (oconfig_item_t *ci)
 		return 1;
 	}
 
-	tmp = (c_psql_writer_t *)realloc (writers,
+	tmp = realloc (writers,
 			sizeof (*writers) * (writers_num + 1));
 	if (tmp == NULL) {
 		log_err ("Out of memory.");
diff --git a/src/powerdns.c b/src/powerdns.c
index 1c41ff8d..f72bd40f 100644
--- a/src/powerdns.c
+++ b/src/powerdns.c
@@ -542,7 +542,7 @@ static int powerdns_get_data_stream (list_item_t *item, /* {{{ */
     else if (status == 0)
       break;
 
-    buffer_new = (char *) realloc (buffer, buffer_size + status + 1);
+    buffer_new = realloc (buffer, buffer_size + status + 1);
     if (buffer_new == NULL)
     {
       FUNC_ERROR ("realloc");
@@ -799,7 +799,7 @@ static int powerdns_config_add_collect (list_item_t *li, /* {{{ */
       return (-1);
     }
 
-  temp = (char **) realloc (li->fields,
+  temp = realloc (li->fields,
       sizeof (char *) * (li->fields_num + ci->values_num));
   if (temp == NULL)
   {
diff --git a/src/rrdtool.c b/src/rrdtool.c
index b45f8d99..3cd6d6bb 100644
--- a/src/rrdtool.c
+++ b/src/rrdtool.c
@@ -588,7 +588,7 @@ static void rrd_cache_flush (cdtime_t timeout)
 		}
 		else /* ancient and no values -> waste of memory */
 		{
-			char **tmp = (char **) realloc ((void *) keys,
+			char **tmp = realloc (keys,
 					(keys_num + 1) * sizeof (char *));
 			if (tmp == NULL)
 			{
@@ -756,7 +756,7 @@ static int rrd_cache_insert (const char *filename,
 		return (-1);
 	}
 
-	values_new = (char **) realloc ((void *) rc->values,
+	values_new = realloc ((void *) rc->values,
 			(rc->values_num + 1) * sizeof (char *));
 	if (values_new == NULL)
 	{
diff --git a/src/snmp.c b/src/snmp.c
index 8b21907a..d6fc05dc 100644
--- a/src/snmp.c
+++ b/src/snmp.c
@@ -520,7 +520,7 @@ static int csnmp_config_add_host_collect (host_definition_t *host,
     }
 
   data_list_len = host->data_list_len + ci->values_num;
-  data_list = (data_definition_t **) realloc (host->data_list,
+  data_list = realloc (host->data_list,
       sizeof (data_definition_t *) * data_list_len);
   if (data_list == NULL)
     return (-1);
diff --git a/src/table.c b/src/table.c
index aebf0bbf..38d5f03a 100644
--- a/src/table.c
+++ b/src/table.c
@@ -188,7 +188,7 @@ static int tbl_config_result (tbl_t *tbl, oconfig_item_t *ci)
 		return 1;
 	}
 
-	res = (tbl_result_t *)realloc (tbl->results,
+	res = realloc (tbl->results,
 			(tbl->results_num + 1) * sizeof (*tbl->results));
 	if (res == NULL) {
 		char errbuf[1024];
@@ -254,7 +254,7 @@ static int tbl_config_table (oconfig_item_t *ci)
 		return 1;
 	}
 
-	tbl = (tbl_t *)realloc (tables, (tables_num + 1) * sizeof (*tables));
+	tbl = realloc (tables, (tables_num + 1) * sizeof (*tables));
 	if (NULL == tbl) {
 		char errbuf[1024];
 		log_err ("realloc failed: %s.",
diff --git a/src/tail.c b/src/tail.c
index ffdba8ae..5402f666 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -279,7 +279,7 @@ static int ctail_config_add_file (oconfig_item_t *ci)
   {
     cu_tail_match_t **temp;
 
-    temp = (cu_tail_match_t **) realloc (tail_match_list,
+    temp = realloc (tail_match_list,
         sizeof (cu_tail_match_t *) * (tail_match_list_num + 1));
     if (temp == NULL)
     {
diff --git a/src/target_scale.c b/src/target_scale.c
index 3ac399c9..74652ff8 100644
--- a/src/target_scale.c
+++ b/src/target_scale.c
@@ -328,7 +328,7 @@ static int ts_config_add_data_source(ts_data_t *data, /* {{{ */
 
 	/* Allocate space for the char pointers */
 	new_data_sources_num = data->data_sources_num + ((size_t) ci->values_num);
-	temp = (char **) realloc (data->data_sources,
+	temp = realloc (data->data_sources,
 			new_data_sources_num * sizeof (char *));
 	if (temp == NULL)
 	{
diff --git a/src/utils_db_query.c b/src/utils_db_query.c
index 74c3a81f..5c5d1d77 100644
--- a/src/utils_db_query.c
+++ b/src/utils_db_query.c
@@ -142,7 +142,7 @@ static int udb_config_add_string (char ***ret_array, /* {{{ */
   }
 
   array_len = *ret_array_len;
-  array = (char **) realloc (*ret_array,
+  array = realloc (*ret_array,
       sizeof (char *) * (array_len + ci->values_num));
   if (array == NULL)
   {
@@ -750,7 +750,7 @@ int udb_query_create (udb_query_t ***ret_query_list, /* {{{ */
   {
     udb_query_t **temp;
 
-    temp = (udb_query_t **) realloc (query_list,
+    temp = realloc (query_list,
         sizeof (*query_list) * (query_list_len + 1));
     if (temp == NULL)
     {
@@ -815,7 +815,7 @@ int udb_query_pick_from_list_by_name (const char *name, /* {{{ */
       continue;
 
     tmp_list_len = *dst_list_len;
-    tmp_list = (udb_query_t **) realloc (*dst_list, (tmp_list_len + 1)
+    tmp_list = realloc (*dst_list, (tmp_list_len + 1)
         * sizeof (udb_query_t *));
     if (tmp_list == NULL)
     {
-- 
2.11.0