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bug#16448: 24.3; Messages from (error "...") with UTF-8 chars are printe
From: |
Dmitry Antipov |
Subject: |
bug#16448: 24.3; Messages from (error "...") with UTF-8 chars are printed wrongly in Emacs Lisp scripts |
Date: |
Wed, 15 Jan 2014 08:02:49 +0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 01/15/2014 04:10 AM, Sergey Tselikh wrote:
In a script, when (error "...") instruction is executed with some UTF-8
characters in its text, the message is not printed correctly.
In batch mode, (error ...) is handled by external-debugging-output, and the
latter just does:
putc (XINT (character) & 0xFF, stderr);
^^^^^^
To allow multibyte sequences here, we should use something like:
=== modified file 'src/print.c'
--- src/print.c 2014-01-01 07:43:34 +0000
+++ src/print.c 2014-01-15 03:55:39 +0000
@@ -709,8 +709,14 @@
to make it write to the debugging output. */)
(Lisp_Object character)
{
+ unsigned char str[MAX_MULTIBYTE_LENGTH];
+ unsigned int ch;
+ ptrdiff_t len;
+
CHECK_NUMBER (character);
- putc (XINT (character) & 0xFF, stderr);
+ ch = XINT (character);
+ len = CHAR_STRING (ch, str);
+ fwrite (str, len, 1, stderr);
#ifdef WINDOWSNT
/* Send the output to a debugger (nothing happens if there isn't one). */
Dmitry