r8984: initial odbc files

[clsql.git] / db-odbc / odbc-loader.lisp

diff --git a/db-odbc/odbc-loader.lisp b/db-odbc/odbc-loader.lisp
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+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          odbc-loader.sql
+;;;; Purpose:       ODBC library loader using UFFI
+;;;; Programmers:   Kevin M. Rosenberg
+;;;; Date Started:  April 2004
+;;;;
+;;;; $Id: odbc-loader.lisp 8270 2003-11-25 06:37:14Z kevin $
+;;;;
+;;;; This file, part of CLSQL, is Copyright (c) 2004 by Kevin M. Rosenberg
+;;;;
+;;;; 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 #:odbc)
+
+(defparameter *odbc-library-path* 
+  (uffi:find-foreign-library
+   '("odbc32" "libodbc" "libiodbc")
+   `(,(make-pathname :directory (pathname-directory *load-truename*))
+      "/usr/lib/"
+      "/sw/lib/"
+      "/usr/local/lib/"
+      "/home/kevin/debian/src/clsql/db-odbc/"
+      "/odbc/lib/opt/")
+   :drive-letters '("C")))
+  
+(defvar *odbc-supporting-libraries* '("c")
+  "Used only by CMU. List of library flags needed to be passed to ld to
+load the Odbc client library succesfully.  If this differs at your site,
+set to the right path before compiling or loading the system.")
+
+(defvar *odbc-library-loaded* nil
+  "T if foreign library was able to be loaded successfully")
+
+(defmethod clsql-base-sys:database-type-library-loaded ((database-type (eql :odbc)))
+  *odbc-library-loaded*)
+                                     
+(defmethod clsql-base-sys:database-type-load-foreign ((database-type (eql :odbc)))
+  (uffi:load-foreign-library *odbc-library-path*) 
+  (setq *odbc-library-loaded* t))
+
+(clsql-base-sys:database-type-load-foreign :odbc)
+
+
+