wine-staging/patches/odbc32-fixes/0006-odbc32-SQLGetDiagRec-W-handle-fallback-function.patch

From 397d95d8e50299f949ac73b0cc245f5fe66cacae Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Date: Fri, 12 Jul 2024 14:29:17 +1000
Subject: [PATCH] odbc32: SQLGetDiagRec/W handle fallback function

---
 dlls/odbc32/proxyodbc.c | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/dlls/odbc32/proxyodbc.c b/dlls/odbc32/proxyodbc.c
index 5ead68700df..97c4cac8e31 100644
--- a/dlls/odbc32/proxyodbc.c
+++ b/dlls/odbc32/proxyodbc.c
@@ -2672,7 +2672,21 @@ SQLRETURN WINAPI SQLGetDiagRec(SQLSMALLINT HandleType, SQLHANDLE Handle, SQLSMAL
     }
     else if (obj->win32_handle)
     {
-        ret = get_diag_rec_win32_a( HandleType, obj, RecNumber, SqlState, NativeError, MessageText, BufferLength,
+        /* ODBC v2.0 */
+        if (obj->win32_funcs->SQLError)
+        {
+            if (HandleType == SQL_HANDLE_ENV)
+                ret = obj->win32_funcs->SQLError(obj->win32_handle, SQL_NULL_HDBC, SQL_NULL_HSTMT,
+                                SqlState, NativeError, MessageText, BufferLength, TextLength);
+            else if (HandleType == SQL_HANDLE_DBC)
+                ret = obj->win32_funcs->SQLError(SQL_NULL_HENV, obj->win32_handle, SQL_NULL_HSTMT,
+                                SqlState, NativeError, MessageText, BufferLength, TextLength);
+            else if (HandleType == SQL_HANDLE_STMT)
+                ret = obj->win32_funcs->SQLError(SQL_NULL_HENV, SQL_NULL_HDBC, obj->win32_handle,
+                                SqlState, NativeError, MessageText, BufferLength, TextLength);
+        }
+        else
+            ret = get_diag_rec_win32_a( HandleType, obj, RecNumber, SqlState, NativeError, MessageText, BufferLength,
                                     TextLength );
     }
 
@@ -6187,9 +6201,23 @@ static SQLRETURN get_diag_rec_win32_w( SQLSMALLINT type, struct object *obj, SQL
                                        SQLSMALLINT *retlen )
 {
     if (obj->win32_funcs->SQLGetDiagRecW)
-        return obj->win32_funcs->SQLGetDiagRecW( type, obj->win32_handle, rec_num, state, native_err, msg, buflen,
-                                                 retlen );
+        return obj->win32_funcs->SQLGetDiagRecW( type, obj->win32_handle, rec_num, state, native_err,
+                                                    msg, buflen, retlen );
+    else if (obj->win32_funcs->SQLErrorW)
+    {
+        /* ODBC v2 */
+        if (type == SQL_HANDLE_ENV)
+            return obj->win32_funcs->SQLErrorW(obj->win32_handle, SQL_NULL_HDBC, SQL_NULL_HSTMT,
+                            state, native_err, msg, buflen, retlen);
+        else if (type == SQL_HANDLE_DBC)
+            return obj->win32_funcs->SQLErrorW(SQL_NULL_HENV, obj->win32_handle, SQL_NULL_HSTMT,
+                            state, native_err, msg, buflen, retlen);
+        else if (type == SQL_HANDLE_STMT)
+            return obj->win32_funcs->SQLErrorW(SQL_NULL_HENV, SQL_NULL_HDBC, obj->win32_handle,
+                            state, native_err, msg, buflen, retlen);
+    }
     if (obj->win32_funcs->SQLGetDiagRec) FIXME( "Unicode to ANSI conversion not handled\n" );
+
     return SQL_ERROR;
 }
 
-- 
2.43.0