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-rw-r--r--src/map/clif.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/src/map/clif.c b/src/map/clif.c
index eb67723e2..80eb7796a 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -10534,16 +10534,29 @@ void clif_parse_NpcBuyListSend(int fd, struct map_session_data* sd) __attribute_
/// 00c8 <packet len>.W { <amount>.W <name id>.W }*
void clif_parse_NpcBuyListSend(int fd, struct map_session_data* sd)
{
- int n = (RFIFOW(fd,2)-4) /4;
+ int n = ((int)RFIFOW(fd,2)-4) / 4;
int result;
+ Assert_retv(n >= 0);
+
if( sd->state.trading || !sd->npc_shopid || pc_has_permission(sd,PC_PERM_DISABLE_STORE) ) {
result = 1;
} else {
- unsigned short *item_list = aMalloc(sizeof(*item_list) * 2 * n);
- memcpy(item_list, RFIFOP(fd,4), sizeof(*item_list) * 2 * n);
- result = npc->buylist(sd,n,item_list);
- aFree(item_list);
+ struct itemlist item_list = { 0 };
+ int i;
+
+ VECTOR_INIT(item_list);
+ VECTOR_ENSURE(item_list, n, 1);
+ for (i = 0; i < n; i++) {
+ struct itemlist_entry entry = { 0 };
+
+ entry.amount = RFIFOW(fd, 4 + 4 * i);
+ entry.id = RFIFOW(fd, 4 + 4 * i + 2);
+
+ VECTOR_PUSH(item_list, entry);
+ }
+ result = npc->buylist(sd, &item_list);
+ VECTOR_CLEAR(item_list);
}
sd->npc_shopid = 0; //Clear shop data.