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Diffstat (limited to 'db-db2/db2-loader.lisp')
-rw-r--r-- | db-db2/db2-loader.lisp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/db-db2/db2-loader.lisp b/db-db2/db2-loader.lisp new file mode 100644 index 0000000..5e5251b --- /dev/null +++ b/db-db2/db2-loader.lisp @@ -0,0 +1,52 @@ +;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*- +;;;; ************************************************************************* +;;;; FILE IDENTIFICATION +;;;; +;;;; Name: db2-loader.lisp +;;;; Purpose: Foreign library loader for CLSQL Db2 interface +;;;; +;;;; This file is part of CLSQL. +;;;; +;;;; 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-db2) + +(defparameter *db2-lib-path* + (let ((db2-home (getenv "DB2_HOME"))) + (when db2-home + (make-pathname :directory + (append + (pathname-directory + (parse-namestring (concatenate 'string db2-home "/"))) + (list "lib")))))) + +(defparameter *db2-library-filenames* + (if *db2-lib-path* + (list (merge-pathnames "libdb2" *db2-lib-path*) + "libdb2") + "libdb2")) + +(defvar *db2-supporting-libraries* '("c") + "Used only by CMU. List of library flags needed to be passed to ld to +load the Db2 client library succesfully. If this differs at your site, +set to the right path before compiling or loading the system.") + +(defvar *db2-library-loaded* nil + "T if foreign library was able to be loaded successfully") + +(defmethod clsql-sys:database-type-library-loaded ((database-type (eql :db2))) + *db2-library-loaded*) + +(defmethod clsql-sys:database-type-load-foreign ((database-type (eql :db2))) + (clsql-uffi:find-and-load-foreign-library *db2-library-filenames* + :module "clsql-db2" + :supporting-libraries + *db2-supporting-libraries*) + (setq *db2-library-loaded* t)) + +(clsql-sys:database-type-load-foreign :db2) + + |