oledb32: Implement DataConvert DBTYPE_BYTES->DBTYPE_BYTES

[Alistair Leslie-Hughes]

Hi,


Changelog:
     oledb32: Implement DataConvert DBTYPE_BYTES->DBTYPE_BYTES


Best Regards
  Alistair Leslie-Hughes
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>From ad54fdd30ee1bc76a11c27eac906e9c5b0add836 Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Date: Thu, 18 Apr 2013 11:22:47 +1000
Subject: [PATCH] Implement DataConvert DBTYPE_BYTES->DBTYPE_BYTES
To: wine-patches <wine-patches at winehq.org>

---
 dlls/oledb32/convert.c       | 21 +++++++++++++++++++++
 dlls/oledb32/tests/convert.c | 24 ++++++++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/dlls/oledb32/convert.c b/dlls/oledb32/convert.c
index 65a2bf6..05a24a3 100644
--- a/dlls/oledb32/convert.c
+++ b/dlls/oledb32/convert.c
@@ -794,6 +794,27 @@ static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
         }
         break;
     }
+    case DBTYPE_BYTES:
+    {
+        BYTE *d = dst;
+
+        switch(src_type)
+        {
+        case DBTYPE_BYTES:
+            if( src_len > dst_max_len)
+                *dst_status = DBSTATUS_S_TRUNCATED;
+            else
+                *dst_status = DBSTATUS_S_OK;
+
+            *dst_len = src_len;
+            memcpy(d, src, min(src_len, dst_max_len));
+
+            return S_OK;
+            break;
+        default: FIXME("Unimplemented conversion %04x -> DBTYPE_BYTES\n", src_type); return E_NOTIMPL;
+        }
+        break;
+    }
 
     default:
         FIXME("Unimplemented conversion %04x -> %04x\n", src_type, dst_type);
diff --git a/dlls/oledb32/tests/convert.c b/dlls/oledb32/tests/convert.c
index 64562b1..b4331b1 100644
--- a/dlls/oledb32/tests/convert.c
+++ b/dlls/oledb32/tests/convert.c
@@ -2424,6 +2424,29 @@ static void test_getconversionsize(void)
 
 }
 
+static void test_converttobytes(void)
+{
+    DBLENGTH dst_len;
+    HRESULT hr;
+    BYTE byte_src[] = {0, 1, 2, 4, 5};
+    BYTE dst[10] = {0};
+    DBSTATUS dst_status;
+
+    dst_len = 0;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_BYTES, sizeof(byte_src), &dst_len, byte_src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
+    ok(hr == S_OK, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(byte_src), "got %ld\n", dst_len);
+    ok(!memcmp(byte_src, dst, dst_len ), "bytes differ\n");
+
+    dst_len = 0;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_BYTES, sizeof(byte_src), &dst_len, byte_src, &dst, 2, 0, &dst_status, 0, 0, 0);
+    ok(hr == S_OK, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(byte_src), "got %ld\n", dst_len);
+    ok(!memcmp(byte_src, dst, 2 ), "bytes differ\n");
+}
+
 static void test_converttovar(void)
 {
     static WCHAR strW[] = {'t','e','s','t',0};
@@ -2559,6 +2582,7 @@ START_TEST(convert)
     test_converttocy();
     test_converttoui8();
     test_converttovar();
+    test_converttobytes();
     test_getconversionsize();
 
     IDataConvert_Release(convert);
-- 
1.8.1.2