wine-staging/patches/odbc32-fixes/0019-odbc32-SQLDriverConnectW-fallback-to-SQLDriverConnec.patch

From 518a165d51be822ae34c89146cd6a0d75e41852b Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Date: Sat, 26 Apr 2025 12:33:23 +1000
Subject: [PATCH] odbc32: SQLDriverConnectW fallback to SQLDriverConnect when
 required.

---
 dlls/odbc32/proxyodbc.c | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/dlls/odbc32/proxyodbc.c b/dlls/odbc32/proxyodbc.c
index cf9d72e8452..e26fdcb8620 100644
--- a/dlls/odbc32/proxyodbc.c
+++ b/dlls/odbc32/proxyodbc.c
@@ -6861,11 +6861,44 @@ static SQLRETURN driver_connect_win32_w( struct connection *con, SQLHWND window,
                                          SQLSMALLINT len, SQLWCHAR *out_conn_str, SQLSMALLINT buflen, SQLSMALLINT *len2,
                                          SQLUSMALLINT completion )
 {
+    SQLRETURN ret = SQL_ERROR;
+
     if (con->hdr.win32_funcs->SQLDriverConnectW)
         return con->hdr.win32_funcs->SQLDriverConnectW( con->hdr.win32_handle, window, in_conn_str, len, out_conn_str,
                                                         buflen, len2, completion );
-    if (con->hdr.win32_funcs->SQLDriverConnect) FIXME( "Unicode to ANSI conversion not handled\n" );
-    return SQL_ERROR;
+    if (con->hdr.win32_funcs->SQLDriverConnect)
+    {
+        SQLCHAR *in = NULL, *out = NULL;
+        SQLSMALLINT in_len = 0, out_len = 0;
+
+        in_len = WideCharToMultiByte(CP_ACP, 0, in_conn_str, len, NULL, 0, NULL, NULL);
+        if (!(in = malloc(in_len + 1))) return SQL_ERROR;
+
+        WideCharToMultiByte(CP_ACP, 0, in_conn_str, len, (char *)in, in_len, NULL, NULL);
+        in[in_len] = 0;
+
+        if (out_conn_str && buflen > 0)
+        {
+            if (!(out = malloc(buflen)))
+            {
+                free(in);
+                return SQL_ERROR;
+            }
+        }
+
+        ret = con->hdr.win32_funcs->SQLDriverConnect( con->hdr.win32_handle, window, in, in_len, out, buflen, &out_len, completion );
+
+        if (SQL_SUCCEEDED(ret) && out_conn_str && out)
+        {
+            MultiByteToWideChar(CP_ACP, 0, (char *)out, out_len, out_conn_str, buflen);
+            if (len2) *len2 = out_len;
+        }
+
+        free(in);
+        free(out);
+    }
+
+    return ret;
 }
 
 static SQLRETURN driver_connect_unix_w( struct connection *con, SQLHWND window, SQLWCHAR *in_conn_str, SQLSMALLINT len,
-- 
2.47.2