5 files changed, 40 insertions, 12 deletions
diff --git a/src/common/db.c b/src/common/db.c
index 4dcf1d0b0..550bfd382 100644
--- a/src/common/db.c
+++ b/src/common/db.c
@@ -1976,13 +1976,13 @@ static int db_obj_vclear(DBMap* self, DBApply func, va_list args)
 				node->deleted = 1;
 			}
 			DB_COUNTSTAT(db_node_free);
-			ers_free(db->nodes, node);
 			if (parent) {
 				if (parent->left == node)
 					parent->left = NULL;
 				else
 					parent->right = NULL;
 			}
+			ers_free(db->nodes, node);
 			node = parent;
 		}
 		db->ht[i] = NULL;
diff --git a/src/map/clif.c b/src/map/clif.c
index c5796555a..b640780a9 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -9562,9 +9562,11 @@ void clif_parse_NpcBuyListSend(int fd, struct map_session_data* sd)
 	WFIFOSET(fd,packet_len(0xca));
 }
 
-/*==========================================
- *
- *------------------------------------------*/
+/// Request to sell chosen items to npc shop
+/// R 00c9 <packet len>.W {<index>.W <amount>.W}.4B*
+/// S 00cb <result>.B
+/// result = 00 -> "The deal has successfully completed."
+/// result = 01 -> "The deal has failed."
 void clif_parse_NpcSellListSend(int fd,struct map_session_data *sd)
 {
 	int fail=0,n;
@@ -11674,7 +11676,7 @@ void clif_parse_GMReqAccountName(int fd, struct map_session_data *sd)
  * S 0198 <x>.W <y>.W <gat>.W
  *------------------------------------------*/
 void clif_parse_GMChangeMapType(int fd, struct map_session_data *sd)
-{// FIXME: type sent by client is 0 or 1 (even if you enter 2+); that suggests, that it is walkable gat attribute
+{
 	int x,y,type;
 
 	if( battle_config.atc_gmonly && !pc_isGM(sd) )
@@ -13139,6 +13141,31 @@ void clif_cashshop_show(struct map_session_data *sd, struct npc_data *nd)
 	WFIFOSET(fd,WFIFOW(fd,2));
 }
 
+/// Cashshop Buy Ack (ZC_PC_CASH_POINT_UPDATE)
+/// S 0289 <cash point>.L <kafra point>.L <error>.W
+///
+/// @param error
+/// 0: The deal has successfully completed. (ERROR_TYPE_NONE)
+/// 1: The Purchase has failed because the NPC does not exist. (ERROR_TYPE_NPC)
+/// 2: The Purchase has failed because the Kafra Shop System is not working correctly. (ERROR_TYPE_SYSTEM)
+/// 3: You are over your Weight Limit. (ERROR_TYPE_INVENTORY_WEIGHT)
+/// 4: You cannot purchase items while you are in a trade. (ERROR_TYPE_EXCHANGE)
+/// 5: The Purchase has failed because the Item Information was incorrect. (ERROR_TYPE_ITEM_ID)
+/// 6: You do not have enough Kafra Credit Points. (ERROR_TYPE_MONEY)
+/// 7: You can purchase up to 10 items.
+/// 8: Some items could not be purchased.
+void clif_cashshop_ack(struct map_session_data* sd, int error)
+{
+	int fd = sd->fd;
+
+	WFIFOHEAD(fd, packet_len(0x289));
+	WFIFOW(fd,0) = 0x289;
+	WFIFOL(fd,2) = sd->cashPoints;
+	WFIFOL(fd,6) = sd->kafraPoints;
+	WFIFOW(fd,10) = TOW(error);
+	WFIFOSET(fd, packet_len(0x289));
+}
+
 void clif_parse_cashshop_buy(int fd, struct map_session_data *sd)
 {
 	int fail = 0, amount, points;
@@ -13154,12 +13181,7 @@ void clif_parse_cashshop_buy(int fd, struct map_session_data *sd)
 	else
 		fail = npc_cashshop_buy(sd, nameid, amount, points);
 
-	WFIFOHEAD(fd,12);
-	WFIFOW(fd,0) = 0x289;
-	WFIFOL(fd,2) = sd->cashPoints;
-	WFIFOL(fd,6) = sd->kafraPoints;
-	WFIFOW(fd,10) = fail;
-	WFIFOSET(fd,12);
+	clif_cashshop_ack(sd, fail);
 }
 
 /*==========================================
diff --git a/src/map/map.c b/src/map/map.c
index b052cd7bc..f10c92f32 100644
--- a/src/map/map.c
+++ b/src/map/map.c
@@ -3412,9 +3412,14 @@ void do_final(void)
 
 	ShowStatus("Terminating...\n");
 
+	// remove all objects on maps
 	for (i = 0; i < map_num; i++)
+	{
+		ShowStatus("Cleaning up maps [%d/%d]: %s..."CL_CLL"\r", i+1, map_num, map[i].name);
 		if (map[i].m >= 0)
 			map_foreachinmap(cleanup_sub, i, BL_ALL);
+	}
+	ShowStatus("Cleaned up %d maps."CL_CLL"\n", map_num);
 
 	//Scan any remaining players (between maps?) to kick them out. [Skotlex]
 	iter = mapit_getallusers();
diff --git a/src/map/pc.c b/src/map/pc.c
index bb703a208..42f8b07c8 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -3210,6 +3210,7 @@ int pc_checkadditem(struct map_session_data *sd,int nameid,int amount)
 		return ADDITEM_NEW;
 
 	for(i=0;i<MAX_INVENTORY;i++){
+		// FIXME: This does not consider the checked item's cards, thus could check a wrong slot for stackability.
 		if(sd->status.inventory[i].nameid==nameid){
 			if(sd->status.inventory[i].amount+amount > MAX_AMOUNT)
 				return ADDITEM_OVERAMOUNT;
diff --git a/src/map/script.c b/src/map/script.c
index 59a9b5448..516bcee5a 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -6191,7 +6191,7 @@ BUILDIN_FUNC(readparam)
 	if( script_hasdata(st,3) )
 		sd=map_nick2sd(script_getstr(st,3));
 	else
-	sd=script_rid2sd(st);
+		sd=script_rid2sd(st);
 
 	if(sd==NULL){
 		script_pushint(st,-1);