scrrun: Implement GetExtensionName().

dlls/scrrun/filesystem.c

@@ -3103,12 +3103,26 @@ static HRESULT WINAPI filesys_GetBaseName(IFileSystem3 *iface, BSTR Path,
     return S_OK;
 }
 
-static HRESULT WINAPI filesys_GetExtensionName(IFileSystem3 *iface, BSTR Path,
-                                            BSTR *pbstrResult)
+static HRESULT WINAPI filesys_GetExtensionName(IFileSystem3 *iface, BSTR path,
+                                            BSTR *ext)
 {
-    FIXME("%p %s %p\n", iface, debugstr_w(Path), pbstrResult);
+    INT len;
 
-    return E_NOTIMPL;
+    TRACE("%p %s %p\n", iface, debugstr_w(path), ext);
+
+    *ext = NULL;
+    len = SysStringLen(path);
+    while (len) {
+        if (path[len-1] == '.') {
+            *ext = SysAllocString(&path[len]);
+            if (!*ext)
+                return E_OUTOFMEMORY;
+            break;
+        }
+        len--;
+    }
+
+    return S_OK;
 }
 
 static HRESULT WINAPI filesys_GetAbsolutePathName(IFileSystem3 *iface, BSTR Path,

dlls/scrrun/tests/filesystem.c

@@ -1865,6 +1865,40 @@ static void test_SerialNumber(void)
     IEnumVARIANT_Release(iter);
 }
 
+static const struct extension_test {
+    WCHAR path[20];
+    WCHAR ext[10];
+} extension_tests[] = {
+    { {'n','o','e','x','t',0}, {0} },
+    { {'n','.','o','.','e','x','t',0}, {'e','x','t',0} },
+    { {'n','.','o','.','e','X','t',0}, {'e','X','t',0} },
+    { { 0 } }
+};
+
+static void test_GetExtensionName(void)
+{
+    BSTR path, ext;
+    HRESULT hr;
+    int i;
+
+    for (i = 0; i < sizeof(extension_tests)/sizeof(extension_tests[0]); i++) {
+
+       path = SysAllocString(extension_tests[i].path);
+       ext = NULL;
+       hr = IFileSystem3_GetExtensionName(fs3, path, &ext);
+       ok(hr == S_OK, "got 0x%08x\n", hr);
+       if (*extension_tests[i].ext)
+           ok(!lstrcmpW(ext, extension_tests[i].ext), "%d: path %s, got %s, expected %s\n", i,
+               wine_dbgstr_w(path), wine_dbgstr_w(ext), wine_dbgstr_w(extension_tests[i].ext));
+       else
+           ok(ext == NULL, "%d: path %s, got %s, expected %s\n", i,
+               wine_dbgstr_w(path), wine_dbgstr_w(ext), wine_dbgstr_w(extension_tests[i].ext));
+
+       SysFreeString(path);
+       SysFreeString(ext);
+    }
+}
+
 START_TEST(filesystem)
 {
     HRESULT hr;
@@ -1899,6 +1933,7 @@ START_TEST(filesystem)
     test_Read();
     test_GetDriveName();
     test_SerialNumber();
+    test_GetExtensionName();
 
     IFileSystem3_Release(fs3);