From 51a9d208eebf1f0e61f5035e30c0bf50f843bd35 Mon Sep 17 00:00:00 2001
From: Juan Lang <juan.lang@gmail.com>
Date: Thu, 30 Aug 2007 17:53:19 -0700
Subject: [PATCH] crypt32: Implement CertDuplicateCertificateChain.

---
 dlls/crypt32/chain.c      | 12 ++++++++++++
 dlls/crypt32/crypt32.spec |  1 +
 2 files changed, 13 insertions(+)

diff --git a/dlls/crypt32/chain.c b/dlls/crypt32/chain.c
index 81dd6c4ea40..b8ce4763f69 100644
--- a/dlls/crypt32/chain.c
+++ b/dlls/crypt32/chain.c
@@ -482,6 +482,18 @@ static void CRYPT_FreeChainContext(PCertificateChain chain)
     CryptMemFree(chain);
 }
 
+PCCERT_CHAIN_CONTEXT WINAPI CertDuplicateCertificateChain(
+ PCCERT_CHAIN_CONTEXT pChainContext)
+{
+    PCertificateChain chain = (PCertificateChain)pChainContext;
+
+    TRACE("(%p)\n", pChainContext);
+
+    if (chain)
+        InterlockedIncrement(&chain->ref);
+    return pChainContext;
+}
+
 void WINAPI CertFreeCertificateChain(PCCERT_CHAIN_CONTEXT pChainContext)
 {
     PCertificateChain chain = (PCertificateChain)pChainContext;
diff --git a/dlls/crypt32/crypt32.spec b/dlls/crypt32/crypt32.spec
index 7403ca2a691..e16b3ae67d3 100644
--- a/dlls/crypt32/crypt32.spec
+++ b/dlls/crypt32/crypt32.spec
@@ -26,6 +26,7 @@
 @ stdcall CertDeleteCertificateFromStore(ptr)
 @ stdcall CertDuplicateCRLContext(ptr)
 @ stdcall CertDuplicateCTLContext(ptr)
+@ stdcall CertDuplicateCertificateChain(ptr)
 @ stdcall CertDuplicateCertificateContext(ptr)
 @ stdcall CertDuplicateStore(ptr)
 @ stdcall CertEnumCRLContextProperties(ptr long)