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-;;; 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