From: nobuyoshi nakada <nobuyoshi.nakada@...>
Date: 2005-12-14T13:56:16+09:00
Subject: Re: Iconv weirdness on Windows XP

Hi,

At Wed, 14 Dec 2005 00:17:39 +0900,
Dave Burt wrote in [ruby-talk:170489]:
> > irb(main):003:0> Iconv.iconv('utf-8', 'X-UNKNOWN', 'Hello, world')
> >      (irb):3: [BUG] rb_sys_fail(iconv("utf-8", "X-UNKNOWN")) - errno
> > == 0 ruby 1.8.2 (2004-12-25) [i386-mswin32]
> >
> > This application has requested the Runtime to terminate it in an
> > unusual way. Please contact the application's support team for more
> > information.
> >
> > C:\Bin>
> 
> I'm kinda guessing, but it looks like this is a problem with the Iconv 
> library failing to set errno for the second failure.

This failure often occurs if msvcrt DLL versions mismatch.
e.g., ruby and iconv.so use msvcr71.dll whereas iconv.dll uses
msvcrt.dll.

-- 
Nobu Nakada