From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Fri, 22 Dec 2006 21:36:05 GMT
Subject: Re: [PATCH 1/2] libgit.a: add some UTF-8 handling functions
Message-ID: <Pine.LNX.4.63.0612222233150.19693@wbgn013.biozentrum.uni-wuerzburg.de>
In-Reply-To: <7virg3y624.fsf@assigned-by-dhcp.cox.net>

Hi,

On Fri, 22 Dec 2006, Junio C Hamano wrote:

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

To me, characters are the symbols occupying one "column" each. Bytes are 
the 8-bit thingies that you usually use to encode the characters.

Ciao,
Dscho