From: juntaka via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: 47718@debbugs.gnu.org
Subject: bug#47718: Fix epa-file-insert-file-contents substring error
Date: Mon, 12 Apr 2021 04:20:13 +0000 [thread overview]
Message-ID: <i2Idj93dKv_iWjD_HjyrknK8Cml1tBL-OD-RrhGheKIPHsg4m90TIWpj5lsNqd90evVv0-BU0NlGJIKnMjU-6Ldt8rTObWi8ugVOjgryCPg=@protonmail.com> (raw)
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Hi
I think substring occurs error when TO is longer than its content.
This patch will fix the substring bug in epa-file-insert-file-contents.
The last commit this line was 2008, so no one seems not using it, though ;)
Thanks,
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From da85a87962cad14fb6dee231fe019fadafa1107e Mon Sep 17 00:00:00 2001
From: Junya Takahashi <jutakat@gmail.com>
Date: Mon, 12 Apr 2021 13:09:35 +0900
Subject: [PATCH] Fix args-out-of-range error in epa-file-insert-file-contents
Fix error below:
$ echo -n test > test
$ gpg -c test
elisp> (epa-file-insert-file-contents "test.gpg" nil 0 5)
;; => Args out of range: "test", 0, 5
---
lisp/epa-file.el | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lisp/epa-file.el b/lisp/epa-file.el
index e46e3684c8..33bf5adabe 100644
--- a/lisp/epa-file.el
+++ b/lisp/epa-file.el
@@ -198,7 +198,9 @@ epa-file-insert-file-contents
(mapcar #'car (epg-context-result-for
context 'encrypted-to)))
(if (or beg end)
- (setq string (substring string (or beg 0) end)))
+ (setq string (substring string
+ (or beg 0)
+ (and end (min end (length string))))))
(save-excursion
;; If visiting, bind off buffer-file-name so that
;; file-locking will not ask whether we should
--
2.31.1
next reply other threads:[~2021-04-12 4:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 4:20 juntaka via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2021-04-12 8:14 ` bug#47718: Fix epa-file-insert-file-contents substring error Lars Ingebrigtsen
2021-04-12 11:57 ` Eli Zaretskii
2021-04-12 12:57 ` juntaka via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-04-12 13:23 ` Eli Zaretskii
2021-04-13 0:27 ` juntaka via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-04-13 7:01 ` Lars Ingebrigtsen
2021-04-12 12:51 ` juntaka via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-04-13 7:02 ` Lars Ingebrigtsen
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