Alistair Leslie-Hughes : oledb32: DataConvert only variant length types can have a null dst.
Alexandre Julliard
julliard at winehq.org
Thu May 23 14:42:19 CDT 2013
Module: wine
Branch: master
Commit: 7a762fee023cc2585348308945d16b0b114b7e01
URL: http://source.winehq.org/git/wine.git/?a=commit;h=7a762fee023cc2585348308945d16b0b114b7e01
Author: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Date: Thu May 23 14:57:39 2013 +1000
oledb32: DataConvert only variant length types can have a null dst.
---
dlls/oledb32/convert.c | 7 +++++++
dlls/oledb32/tests/convert.c | 7 +++++++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/dlls/oledb32/convert.c b/dlls/oledb32/convert.c
index 7e09016..9d41860 100644
--- a/dlls/oledb32/convert.c
+++ b/dlls/oledb32/convert.c
@@ -191,6 +191,13 @@ static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
return S_OK;
}
+ if(dst == NULL && get_length(dst_type) != 0)
+ {
+ *dst_len = get_length(src_type);
+ *dst_status = DBSTATUS_S_OK;
+ return S_OK;
+ }
+
if(src_type == DBTYPE_STR)
{
BSTR b;
diff --git a/dlls/oledb32/tests/convert.c b/dlls/oledb32/tests/convert.c
index bb81835..ee2a39b 100644
--- a/dlls/oledb32/tests/convert.c
+++ b/dlls/oledb32/tests/convert.c
@@ -892,6 +892,13 @@ todo_wine
ok(dst_status == DBSTATUS_S_ISNULL, "got %08x\n", dst_status);
ok(dst_len == 0, "got %ld\n", dst_len);
+ /* dst = NULL */
+ *(int *)src = 0x4321cafe;
+ dst_len = 0x1234;
+ hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_I4, 0, &dst_len, src, NULL, 0, 0, NULL, 0, 0, 0);
+ ok(hr == S_OK, "got %08x\n", hr);
+ ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
+
}
static void test_converttoi8(void)
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