GNU bug report logs - #18536
[PATCH] Fix unread-string for characters 0x80 <= c < 0xf0 in UTF-8

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Mark H Weaver <mhw <at> netris.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#18536: closed ([PATCH] Fix unread-string for characters 0x80
 <= c < 0xf0 in UTF-8)
Date: Wed, 24 Sep 2014 01:47:02 +0000

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Your message dated Tue, 23 Sep 2014 21:44:38 -0400
with message-id <87zjdphjw9.fsf <at> yeeloong.lan>
and subject line Re: bug#18536: [PATCH] Fix unread-string for characters 0x80 <= c < 0xf0 in UTF-8
has caused the debbugs.gnu.org bug report #18536,
regarding [PATCH] Fix unread-string for characters 0x80 <= c < 0xf0 in UTF-8
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
18536: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18536
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Contact help-debbugs <at> gnu.org with problems

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From: David Kastrup <dak <at> gnu.org>
To: bug-guile <at> gnu.org
Cc: David Kastrup <dak <at> gnu.org>
Subject: [PATCH] Fix unread-string for characters 0x80 <= c < 0xf0 in UTF-8
Date: Tue, 23 Sep 2014 17:10:19 +0200

* libguile/ports.c (scm_ungetc_unlocked): Fix bad reencoding.

The code

(with-input-from-string ""
  (lambda () (unread-string "\"ä\"" (current-input-port)) (read)))

returns "?" instead of "ä".  This bug was introduced in
commit be7ecef05c1eea66f30360f658c610710c5cb22e

Signed-off-by: David Kastrup <dak <at> gnu.org>
---
 libguile/ports.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libguile/ports.c b/libguile/ports.c
index 8185d85..3129282 100644
--- a/libguile/ports.c
+++ b/libguile/ports.c
@@ -2139,7 +2139,7 @@ scm_ungetc_unlocked (scm_t_wchar c, SCM port)
 
   if (pti->encoding_mode == SCM_PORT_ENCODING_MODE_UTF8)
     {
-      if (c < 0xf0)
+      if (c < 0x80)
         {
           result_buf[0] = (char) c;
           result = result_buf;
-- 
1.9.1

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From: Mark H Weaver <mhw <at> netris.org>
To: David Kastrup <dak <at> gnu.org>
Cc: 18536-done <at> debbugs.gnu.org
Subject: Re: bug#18536: [PATCH] Fix unread-string for characters 0x80 <= c <
 0xf0 in UTF-8
Date: Tue, 23 Sep 2014 21:44:38 -0400

Pushed to master, commit f7582f9807d9a10fba86f54c4aeaa7444c51a315.
I'm closing this bug now.

     Thanks,
       Mark

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