r8710: new backend

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

diff --git a/db-sqlite/sqlite-loader.lisp b/db-sqlite/sqlite-loader.lisp
new file mode 100644 (file)
index 0000000..5b1eef9
--- /dev/null
+++ b/db-sqlite/sqlite-loader.lisp
@@ -0,0 +1,52 @@
+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          sqlite-loader.lisp
+;;;; Purpose:       SQLite library loader using UFFI
+;;;; Programmer:    Aurelio Bignoli
+;;;; Date Started:  Nov 2003
+;;;;
+;;;; $Id: sqlite-loader.lisp,v 1.2 2003/12/03 14:07:31 aurelio Exp $
+;;;;
+;;;; This file, part of CLSQL, is Copyright (c) 2003 by Aurelio Bignoli
+;;;;
+;;;; 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 :clsql-sqlite)
+
+(defvar *sqlite-supporting-libraries* '("c")
+  "Used only by CMU. List of library flags needed to be passed to ld
+to load the SQLite library succesfully.  If this differs at your site,
+set to the right path before compiling or loading the system.")
+
+(defvar *sqlite-library-loaded* #+clisp t
+                               #-clisp nil
+    "T if foreign library was able to be loaded successfully")
+
+(defmethod database-type-library-loaded ((database-type (eql :sqlite)))
+  "T if foreign library was able to be loaded successfully. "
+  *sqlite-library-loaded*)
+
+(defmethod database-type-load-foreign ((database-type (eql :sqlite)))
+  #+clisp
+   t
+  #-clisp
+  (let ((libpath (uffi:find-foreign-library
+                 "libsqlite"
+                 '("/usr/lib/" "/usr/local/lib/")
+                 :drive-letters '("C" "D" "E"))))
+    (if (uffi:load-foreign-library libpath
+                                  :module "sqlite"
+                                  :supporting-libraries 
+                                  *sqlite-supporting-libraries*)
+       (setq *sqlite-library-loaded* t)
+       (warn "Can't load SQLite library ~A" libpath))))
+
+(clsql-base-sys:database-type-load-foreign :sqlite)
+
+
+