[PATCH] winhttp: Return default value for WINHTTP_OPTION_WORKER_THREAD_COUNT.

[Paul Gofman]

Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
---
    Elden Ring queries this option.

 dlls/winhttp/session.c       |  9 +++++++++
 dlls/winhttp/tests/winhttp.c | 27 +++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/dlls/winhttp/session.c b/dlls/winhttp/session.c
index 971c51ada4f..7c55adb8475 100644
--- a/dlls/winhttp/session.c
+++ b/dlls/winhttp/session.c
@@ -1224,6 +1224,15 @@ static BOOL query_option( struct object_header *hdr, DWORD option, void *buffer,
 
     switch (option)
     {
+    case WINHTTP_OPTION_WORKER_THREAD_COUNT:
+    {
+        FIXME( "WINHTTP_OPTION_WORKER_THREAD_COUNT semi-stub.\n" );
+        if (!validate_buffer( buffer, buflen, sizeof(DWORD) )) return FALSE;
+
+        *(DWORD *)buffer = 0;
+        *buflen = sizeof(DWORD);
+        return TRUE;
+    }
     case WINHTTP_OPTION_CONTEXT_VALUE:
     {
         if (!validate_buffer( buffer, buflen, sizeof(DWORD_PTR) )) return FALSE;
diff --git a/dlls/winhttp/tests/winhttp.c b/dlls/winhttp/tests/winhttp.c
index 35f6bc5cf26..9dc8ece3069 100644
--- a/dlls/winhttp/tests/winhttp.c
+++ b/dlls/winhttp/tests/winhttp.c
@@ -94,6 +94,15 @@ static void test_WinHttpQueryOption(void)
     ok( GetLastError() == ERROR_INSUFFICIENT_BUFFER, "expected ERROR_INSUFFICIENT_BUFFER, got %lu\n", GetLastError() );
     ok( size == 4, "expected 4, got %lu\n", size );
 
+    feature = 0xdeadbeef;
+    size = sizeof(feature) + 1;
+    SetLastError(0xdeadbeef);
+    ret = WinHttpQueryOption(session, WINHTTP_OPTION_WORKER_THREAD_COUNT, &feature, &size);
+    ok(ret, "failed to query option %lu\n", GetLastError());
+    ok(GetLastError() == ERROR_SUCCESS, "got %lu\n", GetLastError());
+    ok(size == sizeof(feature), "WinHttpQueryOption should set the size: %lu\n", size);
+    ok(feature == 0, "got unexpected WINHTTP_OPTION_WORKER_THREAD_COUNT %#lx\n", feature);
+
     feature = 0xdeadbeef;
     size = sizeof(feature) + 1;
     SetLastError(0xdeadbeef);
@@ -165,6 +174,24 @@ static void test_WinHttpQueryOption(void)
         goto done;
     }
 
+    feature = 0xdeadbeef;
+    size = sizeof(feature);
+    SetLastError(0xdeadbeef);
+    ret = WinHttpQueryOption(connection, WINHTTP_OPTION_WORKER_THREAD_COUNT, &feature, &size);
+    ok(ret, "query WINHTTP_OPTION_WORKER_THREAD_COUNT failed for a request\n");
+    ok(GetLastError() == ERROR_SUCCESS, "got unexpected error %lu\n", GetLastError());
+    ok(size == sizeof(feature), "WinHttpQueryOption should set the size: %lu\n", size);
+    ok(feature == 0, "got unexpected WINHTTP_OPTION_WORKER_THREAD_COUNT %#lx\n", feature);
+
+    feature = 0xdeadbeef;
+    size = sizeof(feature);
+    SetLastError(0xdeadbeef);
+    ret = WinHttpQueryOption(request, WINHTTP_OPTION_WORKER_THREAD_COUNT, &feature, &size);
+    ok(ret, "query WINHTTP_OPTION_WORKER_THREAD_COUNT failed for a request\n");
+    ok(GetLastError() == ERROR_SUCCESS, "got unexpected error %lu\n", GetLastError());
+    ok(size == sizeof(feature), "WinHttpQueryOption should set the size: %lu\n", size);
+    ok(feature == 0, "got unexpected WINHTTP_OPTION_WORKER_THREAD_COUNT %#lx\n", feature);
+
     feature = 0xdeadbeef;
     size = sizeof(feature);
     SetLastError(0xdeadbeef);
-- 
2.35.1