[PATCH v4 4/8] wintypes: Implement IBuffer::put_Length().

[Mohamad Al-Jaf]

From: Mohamad Al-Jaf

---
 dlls/wintypes/buffer.c         | 10 ++++++++--
 dlls/wintypes/tests/wintypes.c |  4 ----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/dlls/wintypes/buffer.c b/dlls/wintypes/buffer.c
index e279f7c493d..1c96ee4cc1e 100644
--- a/dlls/wintypes/buffer.c
+++ b/dlls/wintypes/buffer.c
@@ -207,8 +207,14 @@ static HRESULT WINAPI buffer_get_Length( IBuffer *iface, UINT32 *value )

static HRESULT WINAPI buffer_put_Length( IBuffer *iface, UINT32 value )
 {
-    FIXME( "iface %p, value %u stub!\n", iface, value );
-    return E_NOTIMPL;
+    struct buffer *impl = impl_from_IBuffer( iface );
+
+    TRACE( "iface %p, value %u\n", iface, value );
+
+    if (value > impl->capacity) return E_INVALIDARG;
+
+    impl->length = value;
+    return S_OK;
 }

static const struct IBufferVtbl buffer_vtbl =
diff --git a/dlls/wintypes/tests/wintypes.c b/dlls/wintypes/tests/wintypes.c
index 20bf1262ff1..974a65bd938 100644
--- a/dlls/wintypes/tests/wintypes.c
+++ b/dlls/wintypes/tests/wintypes.c
@@ -203,7 +203,6 @@ static void test_IBufferStatics(void)
     ok(length == 0, "IBuffer_get_Length returned length %u.\n", length);

hr = IBuffer_put_Length(buffer, 1);
-    todo_wine
     ok(hr == E_INVALIDARG, "IBuffer_put_Length failed, hr %#lx.\n", hr);

IBuffer_Release(buffer);
@@ -224,7 +223,6 @@ static void test_IBufferStatics(void)
     ok(length == 0, "IBuffer_get_Length returned length %u.\n", length);

hr = IBuffer_put_Length(buffer, 1);
-    todo_wine
     ok(hr == S_OK, "IBuffer_put_Length failed, hr %#lx.\n", hr);
     length = 0xdeadbeef;
     hr = IBuffer_get_Length(buffer, &length);
@@ -234,11 +232,9 @@ static void test_IBufferStatics(void)
     ok(length == 1, "IBuffer_get_Length returned length %u.\n", length);

hr = IBuffer_put_Length(buffer, 100 + 1);
-    todo_wine
     ok(hr == E_INVALIDARG, "IBuffer_put_Length failed, hr %#lx.\n", hr);

hr = IBuffer_put_Length(buffer, 100);
-    todo_wine
     ok(hr == S_OK, "IBuffer_put_Length failed, hr %#lx.\n", hr);
     length = 0;
     hr = IBuffer_get_Length(buffer, &length);