From 58799a0ceb752aa9403b6d92e9d0f442c20916f3 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 25 Nov 2018 12:19:44 +0100
Subject: [PATCH] [IPHLPAPI] Implement AllocateAndGetTcpExTableFromStack()

---
 dll/win32/iphlpapi/iphlpapi.spec   |  2 +-
 dll/win32/iphlpapi/iphlpapi_main.c | 45 ++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/dll/win32/iphlpapi/iphlpapi.spec b/dll/win32/iphlpapi/iphlpapi.spec
index ee112c6c910..f31d3d67cba 100644
--- a/dll/win32/iphlpapi/iphlpapi.spec
+++ b/dll/win32/iphlpapi/iphlpapi.spec
@@ -5,7 +5,7 @@
 @ stdcall AllocateAndGetIpForwardTableFromStack( ptr long long long )
 @ stdcall AllocateAndGetIpNetTableFromStack( ptr long long long )
 @ stub AllocateAndGetTcpExTable2FromStack
-@ stub AllocateAndGetTcpExTableFromStack
+@ stdcall AllocateAndGetTcpExTableFromStack( ptr long long long long )
 @ stdcall AllocateAndGetTcpTableFromStack( ptr long long long )
 @ stub AllocateAndGetUdpExTable2FromStack
 @ stub AllocateAndGetUdpExTableFromStack
diff --git a/dll/win32/iphlpapi/iphlpapi_main.c b/dll/win32/iphlpapi/iphlpapi_main.c
index 299a29a238d..db9bb6b494d 100644
--- a/dll/win32/iphlpapi/iphlpapi_main.c
+++ b/dll/win32/iphlpapi/iphlpapi_main.c
@@ -304,6 +304,51 @@ DWORD WINAPI AllocateAndGetTcpTableFromStack(PMIB_TCPTABLE *ppTcpTable,
 }
 
 
+/******************************************************************
+ *    AllocateAndGetTcpExTableFromStack (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  ppTcpTable [Out]
+ *  bOrder [In] -- passed to GetExtendedTcpTable to order the table
+ *  heap [In] -- heap from which the table is allocated
+ *  flags [In] -- flags to HeapAlloc
+ *  family [In] -- passed to GetExtendedTcpTable to select INET family
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI AllocateAndGetTcpExTableFromStack(PMIB_TCPTABLE_OWNER_PID *ppTcpTable,
+ BOOL bOrder, HANDLE heap, DWORD flags, DWORD family)
+{
+  DWORD ret;
+
+  TRACE("ppTcpTable %p, bOrder %ld, heap 0x%08lx, flags 0x%08lx, family 0x%08lx\n",
+   ppTcpTable, (DWORD)bOrder, (DWORD)heap, flags, family);
+  if (!ppTcpTable)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD dwSize = 0;
+
+    *ppTcpTable = NULL;
+    ret = GetExtendedTcpTable(*ppTcpTable, &dwSize, bOrder, family, TCP_TABLE_OWNER_PID_ALL, 0);
+    if (ret == ERROR_INSUFFICIENT_BUFFER) {
+      *ppTcpTable = (PMIB_TCPTABLE_OWNER_PID)HeapAlloc(heap, flags, dwSize);
+      ret = GetExtendedTcpTable(*ppTcpTable, &dwSize, bOrder, family, TCP_TABLE_OWNER_PID_ALL, 0);
+      if (ret != NO_ERROR) {
+        HeapFree(heap, flags, *ppTcpTable);
+        *ppTcpTable = NULL;
+      }
+    }
+  }
+  TRACE("returning %ld\n", ret);
+  return ret;
+}
+
+
 /******************************************************************
  *    AllocateAndGetUdpTableFromStack (IPHLPAPI.@)
  *
-- 
2.17.1