;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; 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 (gnu build bootloader)
  #:use-module (ice-9 binary-ports)
  #:export (write-file-on-device))


;;;
;;; Writing utils.
;;;

(define (write-file-on-device file size device offset)
  "Write SIZE bytes from FILE to DEVICE starting at OFFSET."
  (call-with-input-file file
    (lambda (input)
      (let ((bv (get-bytevector-n input size)))
        (call-with-output-file device
          (lambda (output)
            (seek output offset SEEK_SET)
            (put-bytevector output bv))
          #:binary #t)))))
6c4'>tree</a><a href='/guix/commit/gnu/services/pm.scm?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4'>commit</a><a href='/guix/diff/gnu/services/pm.scm?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/pm.scm'>
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<div class='path'>path: <a href='/guix/log/?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4'>root</a>/<a href='/guix/log/gnu?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4'>gnu</a>/<a href='/guix/log/gnu/services?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4'>services</a>/<a href='/guix/log/gnu/services/pm.scm?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4'>pm.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/pm.scm?id=ac98b7a96bcd29948bd54a76cf304e3d2d90b6c4&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-05-14 18:56:32 -0500'>2017-05-14</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=d7fa39ccec34bc223d52a04dfc3e1f756e2dfa24'>services: Add 'thermald-service-type'.</a><span class='msg-avail'>...</span></td><td>Christopher Allan Webber</td></tr>
<tr><td><span title='2017-04-16 00:48:08 +0200'>2017-04-16</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=3d3c56500843b5573ba6419db5e66075fb8ac8ef'>services: Add a default value to various service types.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-03-31 20:55:05 -0500'>2017-03-31</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=9fc221b58cecd73e22cac01cb0918a774a4a7b2f'>doc: Fix typos.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2017-03-24 16:09:17 +0100'>2017-03-24</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=bfbf6e1e1009cc2697b38d6c7ea2ebdd9db627f6'>gnu: Add tlp service.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>