[Marc Lehmann <root@plan9.de>] libc/1934: iconv returns -1/EILSEQ instead of nuber of non-reversible changes

[Andreas Jaeger <aj at suse dot de>]

Hi,

has anybody an fix for this?

Andreas

Subject: Topics

Topics:
   libc/1934: iconv returns -1/EILSEQ instead of nuber of non-reversible changes

---

• To: libc-gnats at gnu dot org, gnats-admin at gnu dot org
• Subject: libc/1934: iconv returns -1/EILSEQ instead of nuber of non-reversible changes
• From: Marc Lehmann <root at plan9 dot de>
• Date: Sun, 26 Nov 2000 11:55:02 -0500

>Number:         1934
>Category:       libc
>Synopsis:       iconv returns -1/EILSEQ instead of nuber of non-reversible changes
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    libc-gnats
>State:          open
>Quarter:        
>Keywords:       
>Class:          sw-bug
>Submitter-Id:   unknown
>Arrival-Date:   Sun Nov 26 11:55:02 -0500 2000
>Cases:          
>Originator:     
>Release:        libc-2.1.3
>Organization:
  
  -- 
        -----==-                                             |
        ----==-- _                                           |
        ---==---(_)__  __ ____  __       Marc Lehmann      +--
        --==---/ / _ \/ // /\ \/ /       pcg@opengroup.org |e|
        -=====/_/_//_/\_,_/ /_/\_\       XX11-RIPE         --+
      The choice of a GNU generation                       |
                                                           |
>
>Environment:
	
Host type: i586-pc-linux-gnu
System: Linux cerebro 2.2.17 #1 SMP Mon Oct 16 00:47:15 CEST 2000 i686 unknown
Architecture: i686

Addons: glibc-compat linuxthreads crypt ncurses

Build CC: gcc
Compiler version: gcc-2.95.2 19991024 (release)
Kernel headers: 2.2.17
Symbol versioning: yes
Build static: yes
Build shared: yes
Build pic-default: no
Build profile: no
Build omitfp: no
Build bounded: no
Build static-nss: no
Stdio: libio

>Description:

when iconv (both commandline tool as well as iconv(3)) encounters a
character sequence that is not representable in the destination character
set it returns -1, errno = EILSEQ instead of 1 (or the respective number
if non-reversible changes, as is documented in botht eh manpage and the
info docs), this makes iconv quite useless in practise, as a workaround
requires almost as much knowledge about the character set as iconv itself
has :(

>How-To-Repeat:

(encoding format in my terminal was iso-8859-1)

*cerebro:~# echo hallöchen | iconv -f iso-8859-1 -t utf-8
hallÃ

ƒ

¶chen
*cerebro:~# echo hallöchen | iconv -f iso-8859-1 -t us   
halliconv: illegal input sequence at position 4

>Fix:

---

-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj