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authorLudovic Courtès <ludo@gnu.org>2015-01-26 21:42:23 +0100
committerLudovic Courtès <ludo@gnu.org>2015-01-26 21:58:12 +0100
commit19a454448b97d2e84164f8add9aaed42c645e338 (patch)
tree6aa2b2d52788c3029521184191f2366000aa02c6
parent4862bc4a1a20d2abf50b39713cd12985f38adf7c (diff)
downloadguix-19a454448b97d2e84164f8add9aaed42c645e338.tar.gz
hash: Initialize libgcrypt before use.
Fixes <http://bugs.gnu.org/19677>.
Reported by Mark H Weaver <mhw@netris.org>.

* guix/hash.scm: Use (guix gcrypt).
  (sha256, open-sha256-md, md-write, md-close): Use 'libgcrypt-func'
  instead of 'dynamic-func'.
-rw-r--r--guix/hash.scm19
1 files changed, 7 insertions, 12 deletions
diff --git a/guix/hash.scm b/guix/hash.scm
index 593c2e1aee..a61dc980e6 100644
--- a/guix/hash.scm
+++ b/guix/hash.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -17,7 +17,7 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (guix hash)
-  #:use-module (guix config)
+  #:use-module (guix gcrypt)
   #:use-module (rnrs bytevectors)
   #:use-module (rnrs io ports)
   #:use-module (system foreign)
@@ -46,8 +46,7 @@
 
 (define sha256
   (let ((hash (pointer->procedure void
-                                  (dynamic-func "gcry_md_hash_buffer"
-                                                (dynamic-link %libgcrypt))
+                                  (libgcrypt-func "gcry_md_hash_buffer")
                                   `(,int * * ,size_t))))
     (lambda (bv)
       "Return the SHA256 of BV as a bytevector."
@@ -58,8 +57,7 @@
 
 (define open-sha256-md
   (let ((open (pointer->procedure int
-                                  (dynamic-func "gcry_md_open"
-                                                (dynamic-link %libgcrypt))
+                                  (libgcrypt-func "gcry_md_open")
                                   `(* ,int ,unsigned-int))))
     (lambda ()
       (let* ((md  (bytevector->pointer (make-bytevector (sizeof '*))))
@@ -70,20 +68,17 @@
 
 (define md-write
   (pointer->procedure void
-                      (dynamic-func "gcry_md_write"
-                                    (dynamic-link %libgcrypt))
+                      (libgcrypt-func "gcry_md_write")
                       `(* * ,size_t)))
 
 (define md-read
   (pointer->procedure '*
-                      (dynamic-func "gcry_md_read"
-                                    (dynamic-link %libgcrypt))
+                      (libgcrypt-func "gcry_md_read")
                       `(* ,int)))
 
 (define md-close
   (pointer->procedure void
-                      (dynamic-func "gcry_md_close"
-                                    (dynamic-link %libgcrypt))
+                      (libgcrypt-func "gcry_md_close")
                       '(*)))