mshtml: Support implicit RT_FILE resource type in res protocol.

dlls/mshtml/protocol.c

@@ -539,7 +539,7 @@ static HRESULT WINAPI ResProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
         DWORD grfPI, HANDLE_PTR dwReserved)
 {
     InternetProtocol *This = impl_from_IInternetProtocol(iface);
-    WCHAR *url_dll, *url_file, *url, *mime, *res_type = (LPWSTR)RT_HTML, *ptr;
+    WCHAR *url_dll, *url_file, *url, *mime, *res_type, *alt_res_type = NULL, *ptr;
     DWORD grfBINDF = 0, len;
     BINDINFO bindinfo;
     HMODULE hdll;
@@ -593,7 +593,8 @@ static HRESULT WINAPI ResProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
             res_type = MAKEINTRESOURCEW(res_type_id);
     }else {
         url_file = res_type;
-        res_type = (LPWSTR)RT_HTML;
+        res_type = MAKEINTRESOURCEW(RT_HTML);
+        alt_res_type = MAKEINTRESOURCEW(2110 /* RT_FILE */);
     }
 
     /* Ignore query and hash parts. */
@@ -613,12 +614,16 @@ static HRESULT WINAPI ResProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
     TRACE("trying to find resource type %s, name %s\n", debugstr_w(res_type), debugstr_w(url_file));
 
     src = FindResourceW(hdll, url_file, res_type);
+    if(!src && alt_res_type)
+        src = FindResourceW(hdll, url_file, alt_res_type);
     if(!src) {
         LPWSTR endpoint = NULL;
         DWORD file_id = wcstol(url_file, &endpoint, 10);
-        if(endpoint == url_file+lstrlenW(url_file))
+        if(!*endpoint) {
             src = FindResourceW(hdll, MAKEINTRESOURCEW(file_id), res_type);
-
+            if(!src && alt_res_type)
+                src = FindResourceW(hdll, MAKEINTRESOURCEW(file_id), alt_res_type);
+        }
         if(!src) {
             WARN("Could not find resource\n");
             IInternetProtocolSink_ReportResult(pOIProtSink,

dlls/mshtml/tests/protocol.c

@@ -262,6 +262,30 @@ static void protocol_start(IInternetProtocol *protocol, const WCHAR *url)
     CHECK_CALLED(ReportResult);
 }
 
+static void test_res_url_fail(const WCHAR *url_suffix)
+{
+    WCHAR url[INTERNET_MAX_URL_LENGTH];
+    IInternetProtocol *protocol;
+    HRESULT hres;
+
+    wcscpy(url, res_url_base);
+    wcscat(url, url_suffix);
+
+    hres = CoCreateInstance(&CLSID_ResProtocol, NULL, CLSCTX_INPROC_SERVER, &IID_IInternetProtocol, (void**)&protocol);
+    ok(hres == S_OK, "Could not create ResProtocol instance: %08x\n", hres);
+
+    SET_EXPECT(GetBindInfo);
+    SET_EXPECT(ReportResult);
+    expect_hr_win32err = TRUE;
+    hres = IInternetProtocol_Start(protocol, url, &protocol_sink, &bind_info, 0, 0);
+    ok(HRESULT_FACILITY(hres) == FACILITY_WIN32,
+       "%s: expected win32 error, got: %08x\n", debugstr_w(url_suffix), hres);
+    CHECK_CALLED(GetBindInfo);
+    CHECK_CALLED(ReportResult);
+
+    IInternetProtocol_Release(protocol);
+}
+
 static void test_res_url(const char *url_suffix)
 {
     WCHAR url[INTERNET_MAX_URL_LENGTH];
@@ -604,6 +628,14 @@ static void test_res_protocol(void)
     test_res_url("/23/123");
 
     test_res_url("/jstest.html");
+    test_res_url("/jstest-rtfile.html");
+    test_res_url("/#2110/jstest-rtfile.html");
+    test_res_url("/2110/jstest-rtfile.html");
+
+    test_res_url_fail(L"/doesntexist/jstest-rtfile.html");
+    test_res_url_fail(L"/2/jstest-rtfile.html");
+    test_res_url_fail(L"/23/jstest-rtfile.html"); /* no fallback from explicit RT_HTML */
+
     test_res_url("/Test/res.html");
     test_res_url("/test/dir/dir2/res.html");
 

dlls/mshtml/tests/rsrc.rc

@@ -28,6 +28,9 @@ asyncscriptload.js HTML "asyncscriptload.js"
 /* @makedep: jstest.html */
 jstest.html HTML "jstest.html"
 
+/* @makedep: jstest.html */
+jstest-rtfile.html 2110 "jstest.html"
+
 /* @makedep: vbtest.html */
 vbtest.html HTML "vbtest.html"