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Explicitly set coding-system-for-read to the current coding when not

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inserting from the beginning.
This commit is contained in:
Andrey Kotlarski 2017-05-01 19:32:18 +03:00
parent eaa3629227
commit 55e0c404c8
1 changed files with 13 additions and 7 deletions
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20
vlf-base.el
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@ -1,6 +1,6 @@
;;; vlf-base.el --- VLF primitive operations -*- lexical-binding: t -*-
;; Copyright (C) 2014-2015 Free Software Foundation, Inc.
;; Copyright (C) 2014-2017 Free Software Foundation, Inc.
;; Keywords: large files, chunk
;; Author: Andrey Kotlarski <m00naticus@gmail.com>
@ -270,9 +270,11 @@ to the beginning, ADJUST-END - append to the end.
Use buffer POSITION as start if given.
Return number of bytes moved back for proper decoding and number of
bytes added to the end."
(setq adjust-start (and adjust-start (not (zerop start)))
adjust-end (and adjust-end (/= end vlf-file-size))
(setq adjust-end (and adjust-end (/= end vlf-file-size))
position (or position (point-min)))
(and adjust-start (<= start 4)
(setq adjust-start nil
start 0))
(goto-char position)
(let ((shift-start 0)
(shift-end 0)
@ -294,7 +296,10 @@ bytes added to the end."
(defun vlf-insert-file-contents-1 (start end)
"Extract decoded file bytes START to END."
(vlf-tune-insert-file-contents start end))
(if (zerop start)
(vlf-tune-insert-file-contents start end)
(let ((coding-system-for-read buffer-file-coding-system))
(vlf-tune-insert-file-contents start end))))
(defun vlf-adjust-start (start end position adjust-end)
"Adjust chunk beginning at absolute START to END till content can\
@ -307,9 +312,10 @@ Return number of bytes moved back for proper decoding."
(strict (or (= sample-end vlf-file-size)
(and (not adjust-end) (= sample-end end))))
(shift 0))
(while (and (progn (insert-file-contents buffer-file-name
nil safe-start sample-end)
(not (zerop safe-start)))
(while (and (let ((coding-system-for-read buffer-file-coding-system))
(insert-file-contents buffer-file-name
nil safe-start sample-end)
(not (zerop safe-start)))
(< shift 3)
(let ((diff (- chunk-size
(length