mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-25 22:08:16 -05:00
4862bc4a1a
* guix/gcrypt.scm: New file. * Makefile.am (MODULES): Add it. * guix/pk-crypto.scm: Use it. (libgcrypt-func, gcrypt-version): Remove.
49 lines
1.7 KiB
Scheme
49 lines
1.7 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
|
|
;;;
|
|
;;; This file is part of GNU Guix.
|
|
;;;
|
|
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
|
;;; under the terms of the GNU General Public License as published by
|
|
;;; the Free Software Foundation; either version 3 of the License, or (at
|
|
;;; your option) any later version.
|
|
;;;
|
|
;;; GNU Guix is distributed in the hope that it will be useful, but
|
|
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;;; GNU General Public License for more details.
|
|
;;;
|
|
;;; You should have received a copy of the GNU General Public License
|
|
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(define-module (guix gcrypt)
|
|
#:use-module (guix config)
|
|
#:use-module (system foreign)
|
|
#:export (gcrypt-version
|
|
libgcrypt-func))
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; Common code for the GNU Libgcrypt bindings. Loading this module
|
|
;;; initializes Libgcrypt as a side effect.
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define libgcrypt-func
|
|
(let ((lib (dynamic-link %libgcrypt)))
|
|
(lambda (func)
|
|
"Return a pointer to symbol FUNC in libgcrypt."
|
|
(dynamic-func func lib))))
|
|
|
|
(define gcrypt-version
|
|
;; According to the manual, this function must be called before any other,
|
|
;; and it's not clear whether it can be called more than once. So call it
|
|
;; right here from the top level.
|
|
(let* ((ptr (libgcrypt-func "gcry_check_version"))
|
|
(proc (pointer->procedure '* ptr '(*)))
|
|
(version (pointer->string (proc %null-pointer))))
|
|
(lambda ()
|
|
"Return the version number of libgcrypt as a string."
|
|
version)))
|
|
|
|
;;; gcrypt.scm ends here
|