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Re: Is wchar_t really useful?

From Philipp Klaus Krause <pkk@spth.de>
Newsgroups comp.lang.c
Subject Re: Is wchar_t really useful?
Date 2015-11-12 15:28 +0100
Organization solani.org
Message-ID <n227li$r5r$1@solani.org> (permalink)
References <n1puh2$17n$1@solani.org> <n1q8v2$f03$1@dont-email.me>

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On 09.11.2015 15:03, James Kuyper wrote:

> If you need to process one character at a time, then even if you can use
> a C2011 implementation, you might need to use a routine that uses
> wchar_t in the argument list or in the return type, because more often
> than not there's no corresponding routine that uses char16_t or
> char32_t. That's reason #3 for using wchar_t.
> 

For conversion from char to char16_t there is mbrtoc16() which converts
a char multibyte character to a sequence of char16_t.
But why is there no equivalent for conversion the other way? There is
this weird c16rtomb(), it seems to be restricted to characters that fit
into a single char16_t.

Philipp

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Thread

Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-09 12:02 +0100
  Re: Is wchar_t really useful? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 03:24 -0800
    Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-10 18:33 -0600
      Re: Is wchar_t really useful? Ian Collins <ian-news@hotmail.com> - 2015-11-11 13:56 +1300
  Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-09 09:03 -0500
    Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-12 15:22 +0100
      Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-12 10:04 -0500
        Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-12 16:44 +0100
          Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-12 11:29 -0500
            Re: Is wchar_t really useful? supercat@casperkitty.com - 2015-11-12 09:14 -0800
              Re: Is wchar_t really useful? Tim Rentsch <txr@alumni.caltech.edu> - 2015-11-14 11:50 -0800
                Re: Is wchar_t really useful? supercat@casperkitty.com - 2015-11-15 13:44 -0800
                Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-15 22:50 +0100
                Re: Is wchar_t really useful? supercat@casperkitty.com - 2015-11-15 14:46 -0800
                Re: Is wchar_t really useful? raltbos@xs4all.nl (Richard Bos) - 2015-11-17 22:34 +0000
                Re: Is wchar_t really useful? Tim Rentsch <txr@alumni.caltech.edu> - 2015-11-16 07:25 -0800
            Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-13 17:26 +0100
              Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-13 13:36 -0500
                Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-13 16:37 -0600
                Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-13 17:58 -0500
              Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-13 16:01 -0600
                Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-13 23:36 +0100
    Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-12 15:28 +0100
      Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-12 10:26 -0500
    Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-12 14:27 -0600
  Re: Is wchar_t really useful? Lőrinczy Zsigmond <nospam@for.me> - 2015-11-13 05:02 +0100
    Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-13 11:52 +0100
      Re: Is wchar_t really useful? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-13 05:17 -0800
        Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-13 12:58 -0600
        Re: Is wchar_t really useful? supercat@casperkitty.com - 2015-11-13 11:14 -0800
    Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-13 12:45 -0600
  Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-13 18:24 +0100
    Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-13 13:55 -0500
      Re: Is wchar_t really useful? Philipp Klaus Krause <pkk@spth.de> - 2015-11-13 20:39 +0100
        Re: Is wchar_t really useful? James Kuyper <jameskuyper@verizon.net> - 2015-11-13 14:54 -0500
        Re: Is wchar_t really useful? Stephen Sprunk <stephen@sprunk.org> - 2015-11-13 17:04 -0600

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