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From: "nickblack at linux dot com" <sourceware-bugzilla@sourceware.org>
To: libc-locales@sourceware.org
Subject: [Bug localedata/22744] wcwidth glibc issue for 0x2630 Unicode
 character
Date: Sun, 05 Jul 2020 17:13:21 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D22744

nick black <nickblack at linux dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nickblack at linux dot com

--- Comment #1 from nick black <nickblack at linux dot com> ---
If I add a call to setlocale(LC_ALL, "") with a proper LANG environment
variable and installed locale data, I get the expected result (which is 1, =
and
agrees with modern utf8proc):

[schwarzgerat](0) $ cat test.c
#include <stdio.h>
#include <locale.h>
#include <wchar.h>
#include <utf8proc.h>
int main() {
  setlocale(LC_ALL, "");
  wint_t c =3D 0x2630;
  printf("wcwidth returns %d\n", wcwidth(c));
  printf("utf8proc_charwidth returns %d\n", utf8proc_charwidth(c));
  return 0;
}
[schwarzgerat](0) $ gcc -D_XOPEN_SOURCE test.c -lutf8proc
[schwarzgerat](0) $ ./a.out
wcwidth returns 1
utf8proc_charwidth returns 1
[schwarzgerat](0) $

I believe this bug can be closed. The test program provided requires a
setlocale() call to produce the expected result.

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