Shaun Ren : sapi: Handle zero-length attributes correctly in ISpObjectTokenCategory::EnumTokens.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4bbfd838983505ce4120ebfe94899049b071fbb8
URL:    https://gitlab.winehq.org/wine/wine/-/commit/4bbfd838983505ce4120ebfe9489904...

Author: Shaun Ren 
Date:   Fri Feb 16 17:08:18 2024 -0500

sapi: Handle zero-length attributes correctly in ISpObjectTokenCategory::EnumTokens.

---

dlls/sapi/tests/token.c | 10 ++++++++++
 dlls/sapi/token.c       |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/dlls/sapi/tests/token.c b/dlls/sapi/tests/token.c
index 6d2c40ea154..c7067718c45 100644
--- a/dlls/sapi/tests/token.c
+++ b/dlls/sapi/tests/token.c
@@ -205,6 +205,16 @@ static void test_token_category(void)

IEnumSpObjectTokens_Release( enum_tokens );

+    hr = ISpObjectTokenCategory_EnumTokens( cat, L"", NULL, &enum_tokens );
+    ok( hr == S_OK, "got %08lx\n", hr );
+
+    count = 0xdeadbeef;
+    hr = IEnumSpObjectTokens_GetCount( enum_tokens, &count );
+    ok( hr == S_OK, "got %08lx\n", hr );
+    ok( count == 5, "got %lu\n", count );
+
+    IEnumSpObjectTokens_Release( enum_tokens );
+
     hr = ISpObjectTokenCategory_EnumTokens( cat, L"Language=409", NULL, &enum_tokens );
     ok( hr == S_OK, "got %08lx\n", hr );

diff --git a/dlls/sapi/token.c b/dlls/sapi/token.c
index ad8163c9567..65d35dc96ff 100644
--- a/dlls/sapi/token.c
+++ b/dlls/sapi/token.c
@@ -947,7 +947,7 @@ static HRESULT score_attributes( ISpObjectToken *token, const WCHAR *attrs,
     unsigned int i, j;
     HRESULT hr;

-    if (!attrs)
+    if (!attrs || !*attrs)
     {
         *score = 1;
         return S_OK;