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Groups > comp.lang.c > #75935

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 2015-11-13 11:52 +0100
Organization solani.org
Message-ID <n24fdr$ti2$1@solani.org> (permalink)
References <n1puh2$17n$1@solani.org> <n23ncb$8c2$1@speranza.aioe.org>

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On 13.11.2015 05:02, Lőrinczy Zsigmond wrote:
> On 2015.11.09. 12:02, Philipp Klaus Krause wrote:
>> The C standard has wchar_t. But I don't really see any advantage over
>> char. Maybe if __STDC_ISO_10646__ is defined. But even then, I guess
>> char, char16_t and char32_t are more useful.
>> Is there a point in using wchar_t?
> 
> Well, wchar_t being platform-dependent,
> it has no use if you want to work with a defined encoding such as
> utf16le, utf16be, utf32le, utf32be etc,
> but if you don't know/care about details, only want to
> 'use more than 256 characters' then it might be useful.

I don't see why a system with a 16-bit wchar_t would be more
standard-compliant than one with an 8-bit wchar_t.
Assuming the supported charcter set is at most 256 characters, it would
be fully compliant. Assuming the supported character set is all of
Unicode, from this discussion it seems that an 8-bit wchar_t would not
be compliant, but neither would be a 16-bit wchar_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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