wine-staging/patches/odbc32-fixes/0017-odbc32-SQLColAttributeW-Add-ANSI-fallback.patch

From 6906a9555d2410c326e3c1273052ee25a1156e1c Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Date: Tue, 29 Apr 2025 13:08:38 +1000
Subject: [PATCH] odbc32: SQLColAttributeW - Add ANSI fallback

---
 dlls/odbc32/proxyodbc.c | 39 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/dlls/odbc32/proxyodbc.c b/dlls/odbc32/proxyodbc.c
index 11a9633af82..d6946e1c66d 100644
--- a/dlls/odbc32/proxyodbc.c
+++ b/dlls/odbc32/proxyodbc.c
@@ -6410,7 +6410,7 @@ static SQLRETURN col_attribute_win32_w( struct statement *stmt, SQLUSMALLINT col
         return ret;
     }
 
-    if (stmt->hdr.win32_funcs->SQLColAttributesW)
+    if (stmt->hdr.win32_funcs->SQLColAttributesW || stmt->hdr.win32_funcs->SQLColAttributes)
     {
         if (buflen < 0) return SQL_ERROR;
         if (!col)
@@ -6459,8 +6459,43 @@ static SQLRETURN col_attribute_win32_w( struct statement *stmt, SQLUSMALLINT col
             FIXME( "field id %u not handled\n", field_id );
         }
 
-        ret = stmt->hdr.win32_funcs->SQLColAttributesW( stmt->hdr.win32_handle, col, field_id, char_attr, buflen,
+        if (stmt->hdr.win32_funcs->SQLColAttributes)
+        {
+            SQLCHAR *strA = char_attr;
+
+            if (char_attr && buflen && SQLColAttributes_KnownStringAttribute(field_id))
+            {
+                strA = malloc( buflen );
+            }
+
+            ret = stmt->hdr.win32_funcs->SQLColAttributes( stmt->hdr.win32_handle, col, field_id, strA, buflen,
+                    retlen, num_attr );
+
+            if (ret == SQL_SUCCESS && SQLColAttributes_KnownStringAttribute(field_id) )
+            {
+                if (strA)
+                {
+                    WCHAR *p = strnAtoW(strA, -1);
+                    wcscpy(char_attr, p);
+                    free(p);
+
+                    if (retlen)
+                        *retlen = wcslen( char_attr ) * sizeof(WCHAR);
+                }
+                else if (retlen)
+                    *retlen = *retlen * sizeof(WCHAR);
+            }
+
+            if (strA != char_attr)
+                free(strA);
+
+        }
+        else
+        {
+            ret = stmt->hdr.win32_funcs->SQLColAttributesW( stmt->hdr.win32_handle, col, field_id, char_attr, buflen,
                                                          retlen, num_attr );
+        }
+
         /* Convert back for ODBC2 drivers */
         env = (struct environment *)find_object_type(SQL_HANDLE_ENV, stmt->hdr.parent);
         if (SQL_SUCCEEDED(ret) && num_attr && field_id == SQL_COLUMN_TYPE &&
-- 
2.50.1