Huw Davies : oledb32: Implement some conversions to DBTYPE_I4.

Alexandre Julliard julliard at winehq.org
Wed Sep 23 11:03:22 CDT 2009


Module: wine
Branch: master
Commit: a3d947c70f0a36915fcf9268fcb6bd017728498b
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a3d947c70f0a36915fcf9268fcb6bd017728498b

Author: Huw Davies <huw at codeweavers.com>
Date:   Tue Sep 22 16:17:22 2009 +0100

oledb32: Implement some conversions to DBTYPE_I4.

---

 dlls/oledb32/convert.c       |   96 +++++++++++++++++++++++++++++++++++++-----
 dlls/oledb32/tests/convert.c |   57 +++++++++++++++++++-----
 2 files changed, 130 insertions(+), 23 deletions(-)

diff --git a/dlls/oledb32/convert.c b/dlls/oledb32/convert.c
index a2385f0..f49a699 100644
--- a/dlls/oledb32/convert.c
+++ b/dlls/oledb32/convert.c
@@ -109,21 +109,95 @@ static ULONG WINAPI convert_Release(IDataConvert* iface)
     return ref;
 }
 
+static int get_length(DBTYPE type)
+{
+    switch(type)
+    {
+    case DBTYPE_I1:
+    case DBTYPE_UI1:
+        return 1;
+    case DBTYPE_I2:
+    case DBTYPE_UI2:
+        return 2;
+    case DBTYPE_I4:
+    case DBTYPE_UI4:
+        return 4;
+    case DBTYPE_I8:
+    case DBTYPE_UI8:
+        return 8;
+    default:
+        FIXME("Unhandled type %04x\n", type);
+        return 0;
+    }
+}
+
 static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
-                                          DBTYPE wSrcType, DBTYPE wDstType,
-                                          DBLENGTH cbSrcLength, DBLENGTH *pcbDstLength,
-                                          void *pSrc, void *pDst,
-                                          DBLENGTH cbDstMaxLength,
-                                          DBSTATUS dbsSrcStatus, DBSTATUS *pdbsDstStatus,
-                                          BYTE bPrecision, BYTE bScale,
-                                          DBDATACONVERT dwFlags)
+                                          DBTYPE src_type, DBTYPE dst_type,
+                                          DBLENGTH src_len, DBLENGTH *dst_len,
+                                          void *src, void *dst,
+                                          DBLENGTH dst_max_len,
+                                          DBSTATUS src_status, DBSTATUS *dst_status,
+                                          BYTE precision, BYTE scale,
+                                          DBDATACONVERT flags)
 {
     convert *This = impl_from_IDataConvert(iface);
-    FIXME("(%p)->(%d, %d, %d, %p, %p, %p, %d, %d, %p, %d, %d, %x): stub\n", This,
-          wSrcType, wDstType, cbSrcLength, pcbDstLength, pSrc, pDst, cbDstMaxLength,
-          dbsSrcStatus, pdbsDstStatus, bPrecision, bScale, dwFlags);
+    HRESULT hr;
 
-    return E_NOTIMPL;
+    TRACE("(%p)->(%d, %d, %d, %p, %p, %p, %d, %d, %p, %d, %d, %x): stub\n", This,
+          src_type, dst_type, src_len, dst_len, src, dst, dst_max_len,
+          src_status, dst_status, precision, scale, flags);
+
+    *dst_len = get_length(dst_type);
+    *dst_status = DBSTATUS_E_BADACCESSOR;
+
+    if(IDataConvert_CanConvert(iface, src_type, dst_type) != S_OK)
+    {
+        return DB_E_UNSUPPORTEDCONVERSION;
+    }
+
+    switch(dst_type)
+    {
+    case DBTYPE_I4:
+    {
+        signed int *d = dst;
+        switch(src_type)
+        {
+        case DBTYPE_EMPTY:       *d = 0; hr = S_OK;                              break;
+        case DBTYPE_I2:          hr = VarI4FromI2(*(signed short*)src, d);       break;
+        case DBTYPE_I4:          *d = *(signed int*)src; hr = S_OK;              break;
+        case DBTYPE_R4:          hr = VarI4FromR4(*(FLOAT*)src, d);              break;
+        case DBTYPE_R8:          hr = VarI4FromR8(*(double*)src, d);             break;
+        case DBTYPE_CY:          hr = VarI4FromCy(*(CY*)src, d);                 break;
+        case DBTYPE_DATE:        hr = VarI4FromDate(*(DATE*)src, d);             break;
+        case DBTYPE_BSTR:        hr = VarI4FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
+        case DBTYPE_BOOL:        hr = VarI4FromBool(*(VARIANT_BOOL*)src, d);     break;
+        case DBTYPE_DECIMAL:     hr = VarI4FromDec((DECIMAL*)src, d);            break;
+        case DBTYPE_I1:          hr = VarI4FromI1(*(signed char*)src, d);        break;
+        case DBTYPE_UI1:         hr = VarI4FromUI1(*(BYTE*)src, d);              break;
+        case DBTYPE_UI2:         hr = VarI4FromUI2(*(WORD*)src, d);              break;
+        case DBTYPE_UI4:         hr = VarI4FromUI4(*(DWORD*)src, d);             break;
+        case DBTYPE_I8:          hr = VarI4FromI8(*(LONGLONG*)src, d);           break;
+        case DBTYPE_UI8:         hr = VarI4FromUI8(*(ULONGLONG*)src, d);         break;
+        default: FIXME("Unimplemented conversion %04x -> I4\n", src_type); return E_NOTIMPL;
+        }
+        break;
+    }
+
+    default:
+        FIXME("Unimplemented conversion %04x -> %04x\n", src_type, dst_type);
+        return E_NOTIMPL;
+
+    }
+
+    if(hr == DISP_E_OVERFLOW)
+    {
+        *dst_status = DBSTATUS_E_DATAOVERFLOW;
+        hr = DB_E_ERRORSOCCURRED;
+    }
+    else if(hr == S_OK)
+        *dst_status = DBSTATUS_S_OK;
+
+    return hr;
 }
 
 static inline WORD get_dbtype_class(DBTYPE type)
diff --git a/dlls/oledb32/tests/convert.c b/dlls/oledb32/tests/convert.c
index 7c3fd20..acda3a9 100644
--- a/dlls/oledb32/tests/convert.c
+++ b/dlls/oledb32/tests/convert.c
@@ -356,8 +356,6 @@ static void test_converttoi4(void)
         return;
     }
 
-todo_wine
-{
     i4 = 0x12345678;
     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
     ok(hr == S_OK, "got %08x\n", hr);
@@ -370,11 +368,8 @@ todo_wine
     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
-}
     ok(i4 == 0x12345678, "got %08x\n", i4);
 
-todo_wine
-{
     i4 = 0x12345678;
     *(short *)src = 0x4321;
     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
@@ -447,11 +442,8 @@ todo_wine
     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
-}
     ok(i4 == 0x12345678, "got %08x\n", i4);
 
-todo_wine
-{
     i4 = 0x12345678;
     *(VARIANT_BOOL *)src = VARIANT_TRUE;
     hr = IDataConvert_DataConvert(convert, DBTYPE_BOOL, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
@@ -472,6 +464,19 @@ todo_wine
     V_VT((VARIANT*)src) = VT_I2;
     V_I2((VARIANT*)src) = 0x1234;
     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
+todo_wine
+{
+    ok(hr == S_OK, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+}
+    ok(dst_len == sizeof(i4), "got %d\n", dst_len);
+todo_wine
+    ok(i4 == 0x1234, "got %08x\n", i4);
+
+    i4 = 0x12345678;
+    memset(src, 0, sizeof(DECIMAL));
+    ((DECIMAL*)src)->u1.Lo64 = 0x1234;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_DECIMAL, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 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(i4), "got %d\n", dst_len);
@@ -507,11 +512,8 @@ todo_wine
     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
-}
     ok(i4 == 0x12345678, "got %08x\n", i4);
 
-todo_wine
-{
     i4 = 0x12345678;
     *(DWORD*)src = 0x1234abcd;
     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
@@ -521,37 +523,68 @@ todo_wine
     ok(i4 == 0x1234abcd, "got %08x\n", i4);
 
     i4 = 0x12345678;
+    ((LARGE_INTEGER*)src)->QuadPart = 0x1234abcd;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 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(i4), "got %d\n", dst_len);
+    ok(i4 == 0x1234abcd, "got %08x\n", i4);
+
+    i4 = 0x12345678;
+    ((ULARGE_INTEGER*)src)->QuadPart = 0x1234abcd;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_UI8, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 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(i4), "got %d\n", dst_len);
+    ok(i4 == 0x1234abcd, "got %08x\n", i4);
+
+    i4 = 0x12345678;
     strcpy((char *)src, "10");
     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_I4, 2, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
+todo_wine
+{
     ok(hr == S_OK, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+}
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
+todo_wine
     ok(i4 == 10, "got %08x\n", i4);
 
     i4 = 0x12345678;
     strcpy((char *)src, "10");
     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
+todo_wine
+{
     ok(hr == S_OK, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+}
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
+todo_wine
     ok(i4 == 10, "got %08x\n", i4);
 
     i4 = 0x12345678;
     memcpy(src, ten, sizeof(ten));
     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_I4, 4, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
+todo_wine
+{
     ok(hr == S_OK, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+}
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
+todo_wine
     ok(i4 == 10, "got %08x\n", i4);
 
     i4 = 0x12345678;
     memcpy(src, ten, sizeof(ten));
     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
+todo_wine
+{
     ok(hr == S_OK, "got %08x\n", hr);
     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+}
     ok(dst_len == sizeof(i4), "got %d\n", dst_len);
+todo_wine
     ok(i4 == 10, "got %08x\n", i4);
-}
 
     IDataConvert_Release(convert);
 }




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