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[PATCH] Handle variable-width encodings in seekoff

From: Pétur Runólfsson <peturr02 at ru dot is>
To: <libstdc++ at gcc dot gnu dot org>
Cc: <gcc-patches at gcc dot gnu dot org>
Date: Tue, 9 Sep 2003 08:34:06 -0000
Subject: [PATCH] Handle variable-width encodings in seekoff

Hi,

This patch makes basic_filebuf::seekoff usable with variable-width
encodings. Note that the return value can't be passed to seekpos (yet),
but seekoff can be used to switch between read and write mode.

Tested on i686-pc-linux-gnu.

Petur

2003-09-09  Petur Runolfsson  <peturr02@ru.is>

	* include/bits/fstream.tcc (basic_filebuf::seekoff):
	Use codecvt::length to handle variable-width stateless encodings
	correctly.
	* testsuite/27_io/basic_filebuf/seekoff/wchar_t/1.cc: New test.
	* testsuite/27_io/basic_filebuf/seekoff/wchar_t/2.cc: New test.

Attachment: utf8-seekoff.diff
Description: utf8-seekoff.diff

Follow-Ups:
- Re: [PATCH] Handle variable-width encodings in seekoff
  - From: Benjamin Kosnik

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