Re: From wchar_t to char32_t

[Bruno Haible]

I wrote:
>  7.32.3.2
>   towctrans           --             rarely used
>   wctrans             --             rarely used

It's not hard to implement replacements for these two functions either.
So that we get this correspondence:

  wchar_t             char32_t
  -------             --------

  towctrans           c32_apply_mapping
  wctrans             c32_get_mapping


2023-07-13  Bruno Haible  <bruno@clisp.org>

        doc: Mention c32_get_mapping, c32_apply_mapping.
        * doc/posix-functions/wctrans.texi: Mention c32_get_mapping.
        * doc/posix-functions/towctrans.texi: Mention c32_apply_mapping.
        * doc/strings.texi (Comparison of character APIs): Mention both.

        c32_apply_mapping: Add tests.
        * tests/test-c32_apply_mapping.c: New file.
        * modules/c32_apply_mapping-tests: New file.

        c32_apply_mapping: New module.
        * lib/uchar.in.h (c32_apply_mapping): New declaration.
        * lib/c32_apply_mapping.c: New file.
        * m4/uchar_h.m4 (gl_UCHAR_H_REQUIRE_DEFAULTS): Initialize
        GNULIB_C32_APPLY_MAPPING.
        * modules/uchar (Makefile.am): Substitute GNULIB_C32_APPLY_MAPPING.
        * modules/c32_apply_mapping: New file.

        c32_get_mapping: Add tests.
        * tests/test-c32_get_mapping.c: New file.
        * modules/c32_get_mapping-tests: New file.

        c32_get_mapping: New module.
        * lib/uchar.in.h (c32_mapping_t): New type.
        (c32_get_mapping): New declaration.
        * lib/c32_get_mapping.c: New file, based on lib/wctrans-impl.h.
        * m4/uchar_h.m4 (gl_UCHAR_H_REQUIRE_DEFAULTS): Initialize
        GNULIB_C32_GET_MAPPING.
        * modules/uchar (Makefile.am): Substitute GNULIB_C32_GET_MAPPING.
        * modules/c32_get_mapping: New file.

        towctrans: Relax license.
        * modules/towctrans (License): Change to LGPLv2+.
        * lib/towctrans.c: Update license notice.
        * lib/towctrans-impl.h: Likewise.

        wctrans: Relax license.
        * modules/wctrans (License): Change to LGPLv2+.
        * lib/wctrans.c: Update license notice.
        * lib/wctrans-impl.h: Likewise.

0001-wctrans-Relax-license.patch
Description: Text Data

0002-towctrans-Relax-license.patch
Description: Text Data

0003-c32_get_mapping-New-module.patch
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0004-c32_get_mapping-Add-tests.patch
Description: Text Data

0005-c32_apply_mapping-New-module.patch
Description: Text Data

0006-c32_apply_mapping-Add-tests.patch
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0007-doc-Mention-c32_get_mapping-c32_apply_mapping.patch
Description: Text Data