From 5dfea0c629f967d7ace700b63adf62eb11f88d9b Mon Sep 17 00:00:00 2001
From: "Kevin M. Rosenberg" <kevin@rosenberg.net>
Date: Wed, 31 Mar 2004 23:56:46 +0000
Subject: [PATCH 1/1] r8804: add automatic mysql client detection

---
 db-mysql/mysql-api.lisp         | 10 --------
 db-mysql/mysql-client-info.lisp | 42 +++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 10 deletions(-)
 create mode 100644 db-mysql/mysql-client-info.lisp

diff --git a/db-mysql/mysql-api.lisp b/db-mysql/mysql-api.lisp
index b3220b7..480345d 100644
--- a/db-mysql/mysql-api.lisp
+++ b/db-mysql/mysql-api.lisp
@@ -106,10 +106,6 @@
      (:var-string 253)
      (:string 254)))
 
-#-(or :mysql-client-v3 :mysql-client-v4)
-(eval-when (:compile-toplevel :load-toplevel :execute)
-  (pushnew :mysql-client-v3 cl:*features*))
-
 #+:mysql-client-v3
 (uffi:def-struct mysql-field
     (name (* :char))
@@ -370,12 +366,6 @@
   :module "mysql"
   :returning :cstring)
 
-(declaim (inline mysql-get-client-info))
-(uffi:def-function "mysql_get_client_info"
-    ()
-  :module "mysql"
-  :returning :cstring)
-
 (declaim (inline mysql-get-host-info))
 (uffi:def-function "mysql_get_host_info"
     ((mysql (* mysql-mysql)))
diff --git a/db-mysql/mysql-client-info.lisp b/db-mysql/mysql-client-info.lisp
new file mode 100644
index 0000000..df454bd
--- /dev/null
+++ b/db-mysql/mysql-client-info.lisp
@@ -0,0 +1,42 @@
+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          mysql-client-info.lisp
+;;;; Purpose:       Check mysql client version
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  April 2004
+;;;;
+;;;; $Id: mysql-api.lisp 8801 2004-03-31 23:48:44Z kevin $
+;;;;
+;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
+;;;;
+;;;; CLSQL users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
+;;;; *************************************************************************
+
+(in-package #:mysql)
+
+(declaim (inline mysql-get-client-info))
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (uffi:def-function "mysql_get_client_info"
+      ()
+    :module "mysql"
+    :returning :cstring)
+
+  (let ((version (uffi:convert-from-cstring (mysql-get-client-info))))
+    (cond
+      ((eql (schar version 0) #\3)
+       (pushnew :mysql-client-v3 cl:*features*))
+      ((eql (schar version 0) #\4)
+       (pushnew :mysql-client-v4 cl:*features*))
+      (t
+       (error "Unknown mysql client version '~A'." version)))))
+
+;;#-(or :mysql-client-v3 :mysql-client-v4)
+;;(eval-when (:compile-toplevel :load-toplevel :execute)
+;;  (pushnew :mysql-client-v3 cl:*features*))
+
-- 
2.34.1