[5/5] msi: Only apply a transform when its language id matches the system language id.

[Hans Leidekker]

Fix for office 2007 sp1 installer.

 -Hans

diff --git a/dlls/msi/action.c b/dlls/msi/action.c
index eb07f22..ce038a1 100644
--- a/dlls/msi/action.c
+++ b/dlls/msi/action.c
@@ -401,9 +401,13 @@ static LPWSTR* msi_split_string( LPCWSTR str, WCHAR sep )
 
 static UINT msi_check_transform_applicable( MSIPACKAGE *package, IStorage *patch )
 {
-    WCHAR szProductCode[] = { 'P','r','o','d','u','c','t','C','o','d','e',0 };
-    LPWSTR prod_code, patch_product;
-    UINT ret;
+    static const WCHAR szProductCode[] =
+        { 'P','r','o','d','u','c','t','C','o','d','e',0 };
+    static const WCHAR szSystemLanguageID[] =
+        { 'S','y','s','t','e','m','L','a','n','g','u','a','g','e','I','D',0 };
+
+    LPWSTR prod_code, patch_product, langid = NULL, template = NULL;
+    UINT ret = ERROR_FUNCTION_FAILED;
 
     prod_code = msi_dup_property( package, szProductCode );
     patch_product = msi_get_suminfo_product( patch );
@@ -411,12 +415,57 @@ static UINT msi_check_transform_applicable( MSIPACKAGE *package, IStorage *patch
     TRACE("db = %s patch = %s\n", debugstr_w(prod_code), debugstr_w(patch_product));
 
     if ( strstrW( patch_product, prod_code ) )
-        ret = ERROR_SUCCESS;
-    else
-        ret = ERROR_FUNCTION_FAILED;
+    {
+        static const WCHAR zero[] = {'0',0};
+        MSISUMMARYINFO *si;
+        const WCHAR *p;
+
+        si = MSI_GetSummaryInformationW( patch, 0 );
+        if (!si)
+        {
+            ERR("no summary information!\n");
+            goto end;
+        }
 
+        template = msi_suminfo_dup_string( si, PID_TEMPLATE );
+        if (!template)
+        {
+            ERR("no template property!\n");
+            msiobj_release( &si->hdr );
+            goto end;
+        }
+
+        if (!template[0])
+        {
+            ret = ERROR_SUCCESS;
+            msiobj_release( &si->hdr );
+            goto end;
+        }
+
+        langid = msi_dup_property( package, szSystemLanguageID );
+        if (!langid)
+        {
+            msiobj_release( &si->hdr );
+            goto end;
+        }
+
+        p = strchrW( template, ';' );
+        if (p && (!strcmpW( p + 1, langid ) || !strcmpW( p + 1, zero )))
+        {
+            TRACE("applicable transform\n");
+            ret = ERROR_SUCCESS;
+        }
+
+        /* FIXME: check platform */
+
+        msiobj_release( &si->hdr );
+    }
+
+end:
     msi_free( patch_product );
     msi_free( prod_code );
+    msi_free( template );
+    msi_free( langid );
 
     return ret;
 }
diff --git a/dlls/msi/package.c b/dlls/msi/package.c
index 378ad76..b2c46a2 100644
--- a/dlls/msi/package.c
+++ b/dlls/msi/package.c
@@ -440,11 +440,12 @@ static VOID set_installer_properties(MSIPACKAGE *package)
     static const WCHAR szDate[] = {'D','a','t','e',0};
     static const WCHAR szTime[] = {'T','i','m','e',0};
     static const WCHAR szUserLangID[] = {'U','s','e','r','L','a','n','g','u','a','g','e','I','D',0};
+    static const WCHAR szSystemLangID[] = {'S','y','s','t','e','m','L','a','n','g','u','a','g','e','I','D',0};
 
     /*
      * Other things that probably should be set:
      *
-     * SystemLanguageID ComputerName UserLanguageID LogonUser VirtualMemory
+     * ComputerName LogonUser VirtualMemory
      * ShellAdvSupport DefaultUIFont PackagecodeChanging
      * ProductState CaptionHeight BorderTop BorderSide TextHeight
      * RedirectedDllSupport
@@ -640,6 +641,11 @@ static VOID set_installer_properties(MSIPACKAGE *package)
     sprintfW(bufstr, szIntFormat, langid);
 
     MSI_SetPropertyW( package, szUserLangID, bufstr );
+
+    langid = GetSystemDefaultLangID();
+    sprintfW(bufstr, szIntFormat, langid);
+
+    MSI_SetPropertyW( package, szSystemLangID, bufstr );
 }
 
 static UINT msi_load_summary_properties( MSIPACKAGE *package )