[PATCH] oledb32: Correct length calculation in DataConvert for DBTYPE_STR
Alistair Leslie-Hughes
leslie_alistair at hotmail.com
Thu Feb 23 00:49:58 CST 2017
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
---
dlls/oledb32/convert.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/dlls/oledb32/convert.c b/dlls/oledb32/convert.c
index ac462f2..7030eb5 100644
--- a/dlls/oledb32/convert.c
+++ b/dlls/oledb32/convert.c
@@ -816,23 +816,23 @@ static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
case DBTYPE_STR:
{
BSTR b;
- DBLENGTH bstr_len;
+ DBLENGTH length;
INT bytes_to_copy;
- hr = IDataConvert_DataConvert(iface, src_type, DBTYPE_BSTR, src_len, &bstr_len,
+ hr = IDataConvert_DataConvert(iface, src_type, DBTYPE_BSTR, src_len, &length,
src, &b, sizeof(BSTR), src_status, dst_status,
precision, scale, flags);
if(hr != S_OK) return hr;
- bstr_len = SysStringLen(b);
- *dst_len = bstr_len * sizeof(char); /* Doesn't include size for '\0' */
+ length = WideCharToMultiByte(CP_ACP, 0, b, -1, NULL, 0, NULL, NULL);
+ *dst_len = length - 1; /* Doesn't include size for '\0' */
*dst_status = DBSTATUS_S_OK;
- bytes_to_copy = min(*dst_len + sizeof(char), dst_max_len);
+ bytes_to_copy = min(length, dst_max_len);
if(dst)
{
if(bytes_to_copy >= sizeof(char))
{
- WideCharToMultiByte(CP_ACP, 0, b, bytes_to_copy - sizeof(char), dst, dst_max_len, NULL, NULL);
+ WideCharToMultiByte(CP_ACP, 0, b, -1, dst, dst_max_len, NULL, NULL);
*((char *)dst + bytes_to_copy / sizeof(char) - 1) = 0;
- if(bytes_to_copy < *dst_len + sizeof(char))
+ if(bytes_to_copy < length)
*dst_status = DBSTATUS_S_TRUNCATED;
}
else
--
1.9.1
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