[PATCH v3 5/6] windowscodecs/metadata: Add default item for the GifComment handler.

[Nikolay Sivov]

From: Nikolay Sivov

Signed-off-by: Nikolay Sivov 
---
 dlls/windowscodecs/gifformat.c      | 59 ++++++++++++++++++++++-------
 dlls/windowscodecs/tests/metadata.c | 11 ++----
 2 files changed, 49 insertions(+), 21 deletions(-)

diff --git a/dlls/windowscodecs/gifformat.c b/dlls/windowscodecs/gifformat.c
index d3d8678e9f8..22be9e7deda 100644
--- a/dlls/windowscodecs/gifformat.c
+++ b/dlls/windowscodecs/gifformat.c
@@ -420,6 +420,26 @@ HRESULT APEReader_CreateInstance(REFIID iid, void **ppv)
     return MetadataReader_Create(&APEReader_Vtbl, iid, ppv);
 }

+static HRESULT create_gifcomment_item(char *data, MetadataItem **item)
+{
+    HRESULT hr;
+
+    if (!(*item = calloc(1, sizeof(**item))))
+        return E_OUTOFMEMORY;
+
+    hr = init_propvar_from_string(L"TextEntry", &(*item)->id);
+    if (FAILED(hr))
+    {
+        free(*item);
+        return hr;
+    }
+
+    (*item)->value.vt = VT_LPSTR;
+    (*item)->value.pszVal = data;
+
+    return S_OK;
+}
+
 static HRESULT load_GifComment_metadata(MetadataHandler *handler, IStream *stream, const GUID *vendor, DWORD options)
 {
 #include "pshpack1.h"
@@ -477,22 +497,12 @@ static HRESULT load_GifComment_metadata(MetadataHandler *handler, IStream *strea

data[data_size] = 0;

-    result = calloc(1, sizeof(MetadataItem));
-    if (!result)
+    if (FAILED(hr = create_gifcomment_item(data, &result)))
     {
         CoTaskMemFree(data);
-        return E_OUTOFMEMORY;
+        return hr;
     }

-    PropVariantInit(&result->schema);
-    PropVariantInit(&result->id);
-    PropVariantInit(&result->value);
-
-    result->id.vt = VT_LPWSTR;
-    SHStrDupW(L"TextEntry", &result->id.pwszVal);
-    result->value.vt = VT_LPSTR;
-    result->value.pszVal = data;
-
     MetadataHandler_FreeItems(handler);
     handler->items = result;
     handler->item_count = 1;
@@ -500,10 +510,33 @@ static HRESULT load_GifComment_metadata(MetadataHandler *handler, IStream *strea
     return S_OK;
 }

+static HRESULT CreateGifCommentHandler(MetadataHandler *handler)
+{
+    MetadataItem *item;
+    char *data;
+    HRESULT hr;
+
+    if (!(data = CoTaskMemAlloc(1)))
+        return E_OUTOFMEMORY;
+    *data = 0;
+
+    if (FAILED(hr = create_gifcomment_item(data, &item)))
+    {
+        CoTaskMemFree(data);
+        return hr;
+    }
+
+    handler->items = item;
+    handler->item_count = 1;
+
+    return S_OK;
+}
+
 static const MetadataHandlerVtbl GifCommentReader_Vtbl = {
     0,
     &CLSID_WICGifCommentMetadataReader,
-    load_GifComment_metadata
+    load_GifComment_metadata,
+    CreateGifCommentHandler,
 };

HRESULT GifCommentReader_CreateInstance(REFIID iid, void **ppv)
diff --git a/dlls/windowscodecs/tests/metadata.c b/dlls/windowscodecs/tests/metadata.c
index 478cbfaa2b3..a7fb30bc8d3 100644
--- a/dlls/windowscodecs/tests/metadata.c
+++ b/dlls/windowscodecs/tests/metadata.c
@@ -3971,7 +3971,6 @@ static void test_metadata_GIF_comment(void)

hr = IWICMetadataReader_GetCount(reader, &count);
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    todo_wine
     ok(count == 1, "Unexpected count %u.\n", count);

for (i = 0; i < count; ++i)
@@ -3993,14 +3992,10 @@ static void test_metadata_GIF_comment(void)
     id.pwszVal = (WCHAR *)L"TextEntry";

hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
-    todo_wine
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    if (hr == S_OK)
-    {
-        ok(value.vt == VT_LPSTR, "Unexpected vt %i.\n", value.vt);
-        ok(!strcmp(value.pszVal, ""), "Unexpected value: %s\n", value.pszVal);
-        PropVariantClear(&value);
-    }
+    ok(value.vt == VT_LPSTR, "Unexpected vt %i.\n", value.vt);
+    ok(!strcmp(value.pszVal, ""), "Unexpected value: %s\n", value.pszVal);
+    PropVariantClear(&value);

stream = create_stream(GIF_comment_data, sizeof(GIF_comment_data));