From: Andreas Schwab <schwab@linux-m68k.org>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: Kenichi Handa <handa@gnu.org>,
Emacs development discussions <emacs-devel@gnu.org>
Subject: Re: Looking through multibyte_char_to_unibyte
Date: Sun, 22 Jun 2014 19:39:01 +0200 [thread overview]
Message-ID: <874mzclu8a.fsf@igel.home> (raw)
In-Reply-To: <53A70DBF.4080201@yandex.ru> (Dmitry Antipov's message of "Sun, 22 Jun 2014 21:09:19 +0400")
Dmitry Antipov <dmantipov@yandex.ru> writes:
> Looking through preprocessed src/character.c, I found the following function:
>
> int
> multibyte_char_to_unibyte (int c)
> {
> if (c < 0x80)
> return c;
> if (((c) > 0x3FFF7F))
> return (((c) > 0x3FFF7F) ? (c) - 0x3FFF00 : multibyte_char_to_unibyte (c));
> return (c & 0xFF);
> }
>
> Is this a subtle trick which I just can't understand and explain, or something
> is really wrong with this?
That's the expansion of the CHAR_BYTE8_P and CHAR_TO_BYTE8 macros.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2014-06-22 17:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-22 17:09 Looking through multibyte_char_to_unibyte Dmitry Antipov
2014-06-22 17:20 ` Eli Zaretskii
2014-06-22 17:25 ` Eli Zaretskii
2014-06-22 17:35 ` Dmitry Antipov
2014-06-22 17:47 ` Eli Zaretskii
2014-06-22 17:39 ` Andreas Schwab [this message]
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