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serialization: Read Latin-1 strings with 'get-bytevector-n'.

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* guix/serialization.scm (read-latin1-string): Use 'get-bytevector-n'
  instead of 'get-string-n'.  Use 'list->string' etc. to convert the
  bytevector to a string.
This commit is contained in:
Ludovic Courtès 2015-01-18 22:17:09 +01:00
parent 5808dcc27c
commit aa27b56083
1 changed files with 9 additions and 3 deletions
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12
guix/serialization.scm
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@ -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.
;;;
@ -102,10 +102,16 @@
(define (read-latin1-string p)
(let* ((len (read-int p))
(m (modulo len 8))
(str (get-string-n p len)))
;; Note: do not use 'get-string-n' to work around Guile bug
;; <http://bugs.gnu.org/19621>. See <http://bugs.gnu.org/19610> for
;; a discussion.
(str (get-bytevector-n p len)))
(or (zero? m)
(get-bytevector-n p (- 8 m)))
str))
;; XXX: Rewrite using (ice-9 iconv) when the minimum requirement is
;; upgraded to Guile >= 2.0.9.
(list->string (map integer->char (bytevector->u8-list str)))))
(define (write-string-list l p)
(write-int (length l) p)