From 05e9a1fce826d9bc2ca3895dd40e42d9cba1a3ca Mon Sep 17 00:00:00 2001
From: Hans Leidekker <hans@meelstraat.net>
Date: Wed, 2 Sep 2009 11:44:17 +0200
Subject: [PATCH] msi: Add a partial implementation of
 MsiDetermineApplicablePatchesW.

---
 dlls/msi/action.c  |  2 +-
 dlls/msi/msi.c     | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 dlls/msi/msipriv.h |  2 ++
 include/msi.h      |  2 ++
 4 files changed, 81 insertions(+), 4 deletions(-)

diff --git a/dlls/msi/action.c b/dlls/msi/action.c
index 85d95a61a0f..881c4a2f2c2 100644
--- a/dlls/msi/action.c
+++ b/dlls/msi/action.c
@@ -501,7 +501,7 @@ static UINT msi_apply_substorage_transform( MSIPACKAGE *package,
     return ERROR_SUCCESS;
 }
 
-static UINT msi_check_patch_applicable( MSIPACKAGE *package, MSISUMMARYINFO *si )
+UINT msi_check_patch_applicable( MSIPACKAGE *package, MSISUMMARYINFO *si )
 {
     static const WCHAR szProdCode[] = { 'P','r','o','d','u','c','t','C','o','d','e',0 };
     LPWSTR guid_list, *guids, product_code;
diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index be1ad93bf9f..ba9d8bf6b11 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -489,13 +489,86 @@ UINT WINAPI MsiDetermineApplicablePatchesA(LPCSTR szProductPackagePath,
     return ERROR_CALL_NOT_IMPLEMENTED;
 }
 
+static UINT MSI_ApplicablePatchW( MSIPACKAGE *package, LPCWSTR patch )
+{
+    MSISUMMARYINFO *si;
+    MSIDATABASE *patch_db;
+    UINT r = ERROR_SUCCESS;
+
+    r = MSI_OpenDatabaseW( patch, MSIDBOPEN_READONLY, &patch_db );
+    if (r != ERROR_SUCCESS)
+    {
+        WARN("failed to open patch file %s\n", debugstr_w(patch));
+        return r;
+    }
+
+    si = MSI_GetSummaryInformationW( patch_db->storage, 0 );
+    if (!si)
+    {
+        r = ERROR_FUNCTION_FAILED;
+        goto done;
+    }
+
+    r = msi_check_patch_applicable( package, si );
+    if (r != ERROR_SUCCESS)
+        TRACE("patch not applicable\n");
+
+done:
+    msiobj_release( &patch_db->hdr );
+    msiobj_release( &si->hdr );
+    return r;
+}
+
 UINT WINAPI MsiDetermineApplicablePatchesW(LPCWSTR szProductPackagePath,
         DWORD cPatchInfo, PMSIPATCHSEQUENCEINFOW pPatchInfo)
 {
-    FIXME("(%s, %d, %p): stub!\n", debugstr_w(szProductPackagePath),
-          cPatchInfo, pPatchInfo);
+    UINT i, r, ret = ERROR_FUNCTION_FAILED;
+    MSIPACKAGE *package;
 
-    return ERROR_CALL_NOT_IMPLEMENTED;
+    TRACE("(%s, %d, %p)\n", debugstr_w(szProductPackagePath), cPatchInfo, pPatchInfo);
+
+    r = MSI_OpenPackageW( szProductPackagePath, &package );
+    if (r != ERROR_SUCCESS)
+    {
+        ERR("failed to open package %u\n", r);
+        return r;
+    }
+
+    for (i = 0; i < cPatchInfo; i++)
+    {
+        switch (pPatchInfo[i].ePatchDataType)
+        {
+        case MSIPATCH_DATATYPE_PATCHFILE:
+        {
+            FIXME("patch ordering not supported\n");
+            r = MSI_ApplicablePatchW( package, pPatchInfo[i].szPatchData );
+            if (r != ERROR_SUCCESS)
+            {
+                pPatchInfo[i].dwOrder = ~0u;
+                pPatchInfo[i].uStatus = ERROR_PATCH_TARGET_NOT_FOUND;
+            }
+            else
+            {
+                pPatchInfo[i].dwOrder = i;
+                pPatchInfo[i].uStatus = ret = ERROR_SUCCESS;
+            }
+            break;
+        }
+        default:
+        {
+            FIXME("patch data type %u not supported\n", pPatchInfo[i].ePatchDataType);
+            pPatchInfo[i].dwOrder = ~0u;
+            pPatchInfo[i].uStatus = ERROR_PATCH_TARGET_NOT_FOUND;
+            break;
+        }
+        }
+
+        TRACE("   szPatchData: %s\n", debugstr_w(pPatchInfo[i].szPatchData));
+        TRACE("ePatchDataType: %u\n", pPatchInfo[i].ePatchDataType);
+        TRACE("       dwOrder: %u\n", pPatchInfo[i].dwOrder);
+        TRACE("       uStatus: %u\n", pPatchInfo[i].uStatus);
+    }
+    return ret;
 }
 
 UINT WINAPI MsiDeterminePatchSequenceA(LPCSTR szProductCode, LPCSTR szUserSid,
diff --git a/dlls/msi/msipriv.h b/dlls/msi/msipriv.h
index b61d7b6f245..23756fae6d2 100644
--- a/dlls/msi/msipriv.h
+++ b/dlls/msi/msipriv.h
@@ -683,6 +683,8 @@ extern UINT MSI_DatabaseApplyTransformW( MSIDATABASE *db,
                  LPCWSTR szTransformFile, int iErrorCond );
 extern void append_storage_to_db( MSIDATABASE *db, IStorage *stg );
 
+extern UINT msi_check_patch_applicable( MSIPACKAGE *package, MSISUMMARYINFO *si );
+
 /* action internals */
 extern UINT MSI_InstallPackage( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 extern void ACTION_free_package_structures( MSIPACKAGE* );
diff --git a/include/msi.h b/include/msi.h
index 5e68fdc278c..2c0a37fe43b 100644
--- a/include/msi.h
+++ b/include/msi.h
@@ -237,6 +237,8 @@ typedef struct tagMSIPATCHSEQUENCEINFOW
 
 #define MAX_FEATURE_CHARS 38
 
+#define ERROR_PATCH_TARGET_NOT_FOUND        1642
+
 /* Strings defined in msi.h */
 /* Advertised Information */
 
-- 
2.11.4.GIT