From 0bca12e01fef27d127da0db8694d9e19c5d96578 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 25 Nov 2018 13:29:26 +0100
Subject: [PATCH] [IPHLPAPI] Implement AllocateAndGetTcpExTable2FromStack()

CORE-14391
---
 dll/win32/iphlpapi/iphlpapi.spec   |  2 +-
 dll/win32/iphlpapi/iphlpapi_main.c | 46 ++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/dll/win32/iphlpapi/iphlpapi.spec b/dll/win32/iphlpapi/iphlpapi.spec
index 742f87ab474..0de4711f4b0 100644
--- a/dll/win32/iphlpapi/iphlpapi.spec
+++ b/dll/win32/iphlpapi/iphlpapi.spec
@@ -4,7 +4,7 @@
 @ stdcall AllocateAndGetIpAddrTableFromStack( ptr long long long )
 @ stdcall AllocateAndGetIpForwardTableFromStack( ptr long long long )
 @ stdcall AllocateAndGetIpNetTableFromStack( ptr long long long )
-@ stub AllocateAndGetTcpExTable2FromStack
+@ stdcall AllocateAndGetTcpExTable2FromStack( ptr long long long long long )
 @ stdcall AllocateAndGetTcpExTableFromStack( ptr long long long long )
 @ stdcall AllocateAndGetTcpTableFromStack( ptr long long long )
 @ stub AllocateAndGetUdpExTable2FromStack
diff --git a/dll/win32/iphlpapi/iphlpapi_main.c b/dll/win32/iphlpapi/iphlpapi_main.c
index 26423b9f5e2..103f1a411a6 100644
--- a/dll/win32/iphlpapi/iphlpapi_main.c
+++ b/dll/win32/iphlpapi/iphlpapi_main.c
@@ -349,6 +349,52 @@ DWORD WINAPI AllocateAndGetTcpExTableFromStack(PMIB_TCPTABLE_OWNER_PID *ppTcpTab
 }
 
 
+/******************************************************************
+ *    AllocateAndGetTcpExTable2FromStack (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
+ *  class [In] -- passed to GetExtendedTcpTable to select information
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI AllocateAndGetTcpExTable2FromStack(PVOID *ppTcpTable,
+ BOOL bOrder, HANDLE heap, DWORD flags, DWORD family, TCP_TABLE_CLASS class)
+{
+  DWORD ret;
+
+  TRACE("ppTcpTable %p, bOrder %ld, heap 0x%08lx, flags 0x%08lx, family %ld, class %ld\n",
+   ppTcpTable, (DWORD)bOrder, (DWORD)heap, flags, family, class);
+  if (!ppTcpTable)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD dwSize = 0;
+
+    *ppTcpTable = NULL;
+    ret = GetExtendedTcpTable(*ppTcpTable, &dwSize, bOrder, family, class, 0);
+    if (ret == ERROR_INSUFFICIENT_BUFFER) {
+      *ppTcpTable = HeapAlloc(heap, flags, dwSize);
+      ret = GetExtendedTcpTable(*ppTcpTable, &dwSize, bOrder, family, class, 0);
+      if (ret != NO_ERROR) {
+        HeapFree(heap, flags, *ppTcpTable);
+        *ppTcpTable = NULL;
+      }
+    }
+  }
+  TRACE("returning %ld\n", ret);
+  return ret;
+}
+
+
 /******************************************************************
  *    AllocateAndGetUdpTableFromStack (IPHLPAPI.@)
  *
-- 
2.17.1