msi: Generalize the msi_custom_action_info struct so other custom actions can use it.

dlls/msi/custom.c

@@ -412,8 +412,8 @@ static UINT wait_process_handle(MSIPACKAGE* package, UINT type,
 typedef struct _msi_custom_action_info {
     struct list entry;
     MSIPACKAGE *package;
-    LPWSTR dllname;
-    LPWSTR function;
+    LPWSTR source;
+    LPWSTR target;
     HANDLE handle;
     LPWSTR action;
     INT type;
@@ -428,8 +428,8 @@ static void free_custom_action_data( msi_custom_action_info *info )
     if (info->handle)
         CloseHandle( info->handle );
     msi_free( info->action );
-    msi_free( info->dllname );
-    msi_free( info->function );
+    msi_free( info->source );
+    msi_free( info->target );
     msiobj_release( &info->package->hdr );
     msi_free( info );
 }
@@ -497,16 +497,16 @@ static DWORD WINAPI ACTION_CallDllFunction( const GUID *guid )
         return r;
     }
 
-    TRACE("%s %s\n", debugstr_w( info->dllname ), debugstr_w( info->function ) );
+    TRACE("%s %s\n", debugstr_w( info->source ), debugstr_w( info->target ) );
 
-    hModule = LoadLibraryW( info->dllname );
+    hModule = LoadLibraryW( info->source );
     if (!hModule)
     {
-        ERR("failed to load dll %s\n", debugstr_w( info->dllname ) );
+        ERR("failed to load dll %s\n", debugstr_w( info->source ) );
         return r;
     }
 
-    proc = strdupWtoA( info->function );
+    proc = strdupWtoA( info->target );
     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
     msi_free( proc );
     if (fn)
@@ -514,7 +514,7 @@ static DWORD WINAPI ACTION_CallDllFunction( const GUID *guid )
         hPackage = alloc_msihandle( &info->package->hdr );
         if (hPackage)
         {
-            TRACE("calling %s\n", debugstr_w( info->function ) );
+            TRACE("calling %s\n", debugstr_w( info->target ) );
             r = fn( hPackage );
             MsiCloseHandle( hPackage );
         }
@@ -522,7 +522,7 @@ static DWORD WINAPI ACTION_CallDllFunction( const GUID *guid )
             ERR("failed to create handle for %p\n", info->package );
     }
     else
-        ERR("GetProcAddress(%s) failed\n", debugstr_w( info->function ) );
+        ERR("GetProcAddress(%s) failed\n", debugstr_w( info->target ) );
 
     FreeLibrary(hModule);
 
@@ -549,7 +549,7 @@ static DWORD WINAPI DllThread( LPVOID arg )
 }
 
 static msi_custom_action_info *do_msidbCustomActionTypeDll(
-    MSIPACKAGE *package, INT type, LPCWSTR dllname, LPCWSTR function, LPCWSTR action )
+    MSIPACKAGE *package, INT type, LPCWSTR source, LPCWSTR target, LPCWSTR action )
 {
     msi_custom_action_info *info;
 
@@ -560,8 +560,8 @@ static msi_custom_action_info *do_msidbCustomActionTypeDll(
     msiobj_addref( &package->hdr );
     info->package = package;
     info->type = type;
-    info->function = strdupW( function );
-    info->dllname = strdupW( dllname );
+    info->target = strdupW( target );
+    info->source = strdupW( source );
     info->action = strdupW( action );
     CoCreateGuid( &info->guid );