diff options
| -rw-r--r-- | guix/build/download.scm | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm index 46af149b2f..a027cd4cda 100644 --- a/guix/build/download.scm +++ b/guix/build/download.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr> ;;; @@ -28,7 +28,6 @@ #:use-module (guix build utils) #:use-module (guix progress) #:use-module (rnrs io ports) - #:use-module ((ice-9 binary-ports) #:select (unget-bytevector)) #:use-module (rnrs bytevectors) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) @@ -306,14 +305,10 @@ host name without trailing dot." (let ((record (session-record-port session))) (define (read! bv start count) - (define read-bv (get-bytevector-some record)) - (if (eof-object? read-bv) - 0 ; read! returns 0 on eof-object - (let ((read-bv-len (bytevector-length read-bv))) - (bytevector-copy! read-bv 0 bv start (min read-bv-len count)) - (when (< count read-bv-len) - (unget-bytevector record bv count (- read-bv-len count))) - read-bv-len))) + (let ((read (get-bytevector-n! record bv start count))) + (if (eof-object? read) + 0 + read))) (define (write! bv start count) (put-bytevector record bv start count) (force-output record) |