Re: g_utf8_offset_to_pointer() optimization

[Behdad Esfahbod <behdad cs toronto edu>]

On Wed, 2 Nov 2005, Luis Menina wrote:

> Can you give me more info about what is wrong with my function ?
> I don't understand what you mean by "it doesn't pass over the tail of
> the last characters"

Your code fails if the last character to skipped is a multibyte
one.  Suppose this is the input:

  str = "\xC2\xA0"
  offset = 1

which is the U+00A0 NO-BREAK SPACE.  The output should be str +
2, but your code returns str + 1.

behdad


> >>gchar * g_utf8_offset_to_pointer1 (	const gchar *str,
> >>					glong offset)
> >>{
> >>	while (offset)
> >>	{
> >>		if ((*++str & 0xC0) != 0x80)
> >>			--offset ;
> >>	}
> >>
> >>	return (gchar *)str;
> >>}

--behdad
http://behdad.org/

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