Re: [PATCH 1/2] libgit.a: add some UTF-8 handling functions

From: Junio C Hamano <junkio@cox.net>
Date: Dec 22, 2006, 21:27 UTC
Message-ID: <7virg3y624.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <Pine.LNX.4.63.0612222201200.19693@wbgn013.biozentrum.uni-wuerzburg.de>

Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:

Show 11 quoted lines

> This adds utf8_byte_count(), utf8_strlen() and print_wrapped_text().
>
> The most important is probably utf8_strlen(), which returns the length
> of the text, if it is in UTF-8, otherwise -1.
>
> Note that we do not go the full nine yards: we could also check that
> the character is encoded with the minimum amount of bytes, as pointed
> out by Uwe Kleine-Koenig.
>
> The function print_wrapped_text() can be used to wrap text to a certain
> line length.

If you do wrapped_text, I think you do not _want_ strlen (the definition to me of strlen is "number of characters in the string"). What you want is a function that returns the number of columns consumed when displayed on monospace terminal.