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From: "ezyang at mit dot edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug libc/13518] iconv program doesn't handle //IGNORE flag correctly
Date: Fri, 23 Dec 2011 00:43:00 -0000
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http://sourceware.org/bugzilla/show_bug.cgi?id=13518

Edward Z. Yang <ezyang at mit dot edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |
            Summary|iconv truncates input with  |iconv program doesn't
                   |//IGNORE                    |handle //IGNORE flag
                   |                            |correctly

--- Comment #3 from Edward Z. Yang <ezyang at mit dot edu> 2011-12-23 00:43:16 UTC ---
I think there still is a bug here. If //IGNORE is not supported by iconv_prog,
the behavior between -t with IGNORE and -c should be the same. However, this is
not the case:

ezyang@javelin:~$ Dev/glibc/build/testrun.sh Dev/glibc/build/iconv/iconv_prog
-f utf-8 -t ascii//IGNORE < test.txt | wc -c
Dev/glibc/build/iconv/iconv_prog: illegal input sequence at position 8161
8159

ezyang@javelin:~$ Dev/glibc/build/testrun.sh Dev/glibc/build/iconv/iconv_prog
-f utf-8 -t ascii < test.txt | wc -c
Dev/glibc/build/iconv/iconv_prog: illegal input sequence at position 0
0

For reference, here is iconv running with an invalid extra flag:

ezyang@javelin:~$ Dev/glibc/build/testrun.sh Dev/glibc/build/iconv/iconv_prog
-f utf-8 -t ascii//FOOBAR < test.txt | wc -c
Dev/glibc/build/iconv/iconv_prog: illegal input sequence at position 0
0

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