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Re: [bug-gnu-libiconv] Skipping over EILSEQ & EINVAL errors?

From: address@hidden
Subject: Re: [bug-gnu-libiconv] Skipping over EILSEQ & EINVAL errors?
Date: Tue, 16 Sep 2008 07:00:52 -0400
User-agent: Icedove (X11/20080724)

Bruno Haible wrote:
> But the gnulib module 'striconveh' [3] contains portable code for error
> handling with iconv. It supports three error handlers:
> /* Handling of unconvertible characters.  */
> enum iconv_ilseq_handler
> {
>   iconveh_error,              /* return and set errno = EILSEQ */
>   iconveh_question_mark,      /* use one '?' per unconvertible character */
>   iconveh_escape_sequence     /* use escape sequence \uxxxx or \Uxxxxxxxx */
> };

Thanks very much for pointing this out.

> Yes, this error handling can be tricky. In particular, skipping just 1 byte
> in UTF-16 or UTF-32 encoded input is probably a bad idea.

Right; I tried skipping pairs of bytes, then four bytes at a time, etc.,
but there is no consistency to how long and where in the stream these
types of errors occur.

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