From: Aric Stewart <aric@codeweavers.com>
Subject: [9/14]hid: Implement HidP_InitializeReportForID
Message-Id: <558C1B32.7000608@codeweavers.com>
Date: Thu, 25 Jun 2015 10:16:02 -0500

---
 dlls/hid/hid.spec   |  2 +-
 dlls/hid/hidp.c     | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 include/ddk/hidpi.h |  1 +
 3 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/dlls/hid/hid.spec b/dlls/hid/hid.spec
index b8b4e7f..5659a88 100644
--- a/dlls/hid/hid.spec
+++ b/dlls/hid/hid.spec
@@ -31,7 +31,7 @@
 @ stdcall HidP_GetUsages(long long long ptr ptr ptr ptr long)
 @ stub HidP_GetUsagesEx
 @ stdcall HidP_GetValueCaps(long ptr ptr ptr)
-@ stub HidP_InitializeReportForID
+@ stdcall HidP_InitializeReportForID(long long ptr ptr long)
 @ stub HidP_MaxDataListLength
 @ stub HidP_MaxUsageListLength
 @ stub HidP_SetData
diff --git a/dlls/hid/hidp.c b/dlls/hid/hidp.c
index b06625c..4bf63e7 100644
--- a/dlls/hid/hidp.c
+++ b/dlls/hid/hidp.c
@@ -350,3 +350,64 @@ NTSTATUS WINAPI HidP_GetValueCaps(HIDP_REPORT_TYPE ReportType, PHIDP_VALUE_CAPS
     *ValueCapsLength = v_count;
     return HIDP_STATUS_SUCCESS;
 }
+
+NTSTATUS WINAPI HidP_InitializeReportForID(HIDP_REPORT_TYPE ReportType, UCHAR ReportID, PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report, ULONG ReportLength)
+{
+    int size;
+    PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
+    WINE_HID_REPORT *report = NULL;
+    BOOL found=FALSE;
+    int r_count;
+    int i;
+
+    TRACE("(%i, %i, %p, %p, %i)\n",ReportType, ReportID, PreparsedData, Report, ReportLength);
+
+    if (data->magic != HID_MAGIC)
+        return HIDP_STATUS_INVALID_PREPARSED_DATA;
+
+    switch(ReportType)
+    {
+        case HidP_Input:
+            size = data->caps.InputReportByteLength;
+            report = HID_INPUT_REPORTS(data);
+            r_count = data->dwInputReportCount;
+            break;
+        case HidP_Output:
+            size = data->caps.OutputReportByteLength;
+            report = HID_OUTPUT_REPORTS(data);
+            r_count = data->dwOutputReportCount;
+            break;
+        case HidP_Feature:
+            size = data->caps.FeatureReportByteLength;
+            report = HID_FEATURE_REPORTS(data);
+            r_count = data->dwFeatureReportCount;
+            break;
+        default:
+            return HIDP_STATUS_INVALID_REPORT_TYPE;
+    }
+
+    if (!r_count || !size || !report)
+        return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
+
+    if (size != ReportLength)
+        return HIDP_STATUS_INVALID_REPORT_LENGTH;
+
+    ZeroMemory(Report, size);
+
+    for (i = 0; i < r_count; i++)
+    {
+        if (report->reportID == ReportID)
+        {
+            found = TRUE;
+            if (report->reportID)
+                Report[0] = ReportID;
+            /* TODO: Handle null and default values */
+        }
+        report = HID_NEXT_REPORT(data, report);
+    }
+
+    if (!found)
+        return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
+
+    return HIDP_STATUS_SUCCESS;
+}
diff --git a/include/ddk/hidpi.h b/include/ddk/hidpi.h
index aa730d5..e31aebb 100644
--- a/include/ddk/hidpi.h
+++ b/include/ddk/hidpi.h
@@ -141,6 +141,7 @@ NTSTATUS WINAPI HidP_GetCaps(PHIDP_PREPARSED_DATA PreparsedData, PHIDP_CAPS Capa
 NTSTATUS WINAPI HidP_GetUsages(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection, PUSAGE UsageList, PULONG UsageLength, PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report, ULONG ReportLength);
 NTSTATUS WINAPI HidP_GetUsageValue(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection, USAGE Usage, PULONG UsageValue, PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report, ULONG ReportLength);
 NTSTATUS WINAPI HidP_GetValueCaps(HIDP_REPORT_TYPE ReportType, PHIDP_VALUE_CAPS ValueCaps, PUSHORT ValueCapsLength, PHIDP_PREPARSED_DATA PreparsedData);
+NTSTATUS WINAPI HidP_InitializeReportForID(HIDP_REPORT_TYPE ReportType, UCHAR ReportID, PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report, ULONG ReportLength);
 
 
 #ifndef FACILITY_HID_ERROR_CODE