kc3-lang/gnulib/lib/c32tob.c

• Show log

  Commit

• Hash : d4eb619a
  Author :
  Date : 2024-06-09T19:16:01
  

  c32rtomb: Add a sanity check, working around Solaris 11 OmniOS.
  
  * m4/c32rtomb.m4 (gl_CHECK_FUNC_C32RTOMB): New macro, extracted from
  gl_FUNC_C32RTOMB.
  (gl_C32RTOMB_SANITYCHECK): New macro.
  (gl_FUNC_C32RTOMB): Require gl_CHECK_FUNC_C32RTOMB and
  gl_C32RTOMB_SANITYCHECK. If HAVE_WORKING_C32RTOMB is 0, set
  REPLACE_C32RTOMB.
  * lib/c32rtomb.c (c32rtomb): Together with HAVE_WORKING_MBRTOC32, test
  also HAVE_WORKING_C32RTOMB.
  
  * m4/mbrtoc32.m4 (gl_PREREQ_MBRTOC32): Require gl_C32RTOMB_SANITYCHECK.
  * lib/mbrtoc32.c (mbrtoc32): Together with HAVE_WORKING_MBRTOC32, test
  also HAVE_WORKING_C32RTOMB.
  * modules/mbrtoc32 (Files): Add m4/c32rtomb.m4.
  
  * lib/btoc32.c (btoc32): Together with HAVE_WORKING_MBRTOC32, test also
  HAVE_WORKING_C32RTOMB.
  
  * lib/mbsrtoc32s.c: Together with HAVE_WORKING_MBRTOC32, test also
  HAVE_WORKING_C32RTOMB.
  
  * lib/mbsnrtoc32s.c: Together with HAVE_WORKING_MBRTOC32, test also
  HAVE_WORKING_C32RTOMB.
  
  * lib/c32tob.c (c32tob): Together with HAVE_WORKING_MBRTOC32, test also
  HAVE_WORKING_C32RTOMB.
  * modules/c32tob (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  
  * lib/c32srtombs.c: Together with HAVE_WORKING_MBRTOC32, test also
  HAVE_WORKING_C32RTOMB.
  
  * lib/c32snrtombs.c: Together with HAVE_WORKING_MBRTOC32, test also
  HAVE_WORKING_C32RTOMB.
  
  * lib/c32is-impl.h (FUNC): Together with HAVE_WORKING_MBRTOC32, test
  also HAVE_WORKING_C32RTOMB.
  * modules/c32isalnum (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isalpha (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isblank (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32iscntrl (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isdigit (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isgraph (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32islower (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isprint (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32ispunct (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isspace (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isupper (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32isxdigit (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  
  * lib/c32to-impl.h (FUNC): Together with HAVE_WORKING_MBRTOC32, test
  also HAVE_WORKING_C32RTOMB.
  * modules/c32tolower (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  * modules/c32toupper (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  
  * lib/c32width.c (c32width): Together with HAVE_WORKING_MBRTOC32, test
  also HAVE_WORKING_C32RTOMB.
  * modules/c32width (Files): Add m4/c32rtomb.m4.
  (configure.ac): Require gl_C32RTOMB_SANITYCHECK.
  

Download

• lib/c32tob.c

• /* Convert 32-bit wide character to unibyte character.
     Copyright (C) 2020-2024 Free Software Foundation, Inc.
  
     This file is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as
     published by the Free Software Foundation, either version 3 of the
     License, or (at your option) any later version.
  
     This file is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2020.  */
  
  #include <config.h>
  
  #define IN_C32TOB
  /* Specification.  */
  #include <uchar.h>
  
  #include <stdio.h>
  #include <string.h>
  #include <wchar.h>
  
  #if GL_CHAR32_T_IS_UNICODE
  # include "lc-charset-unicode.h"
  #endif
  
  #if _GL_WCHAR_T_IS_UCS4
  _GL_EXTERN_INLINE
  #endif
  int
  c32tob (wint_t wc)
  {
  #if HAVE_WORKING_MBRTOC32 && HAVE_WORKING_C32RTOMB && !_GL_WCHAR_T_IS_UCS4
    /* The char32_t encoding of a multibyte character may be different than its
       wchar_t encoding.  */
    if (wc != WEOF)
      {
        mbstate_t state;
        char buf[8];
  
        mbszero (&state);
        if (c32rtomb (buf, wc, &state) == 1)
          return (unsigned char) buf[0];
      }
    return EOF;
  #elif _GL_SMALL_WCHAR_T
    /* In all known encodings, unibyte characters correspond only to
       characters in the BMP.  */
    if (wc != WEOF && (wchar_t) wc == wc)
      return wctob ((wchar_t) wc);
    else
      return EOF;
  #else
  # if GL_CHAR32_T_IS_UNICODE && GL_CHAR32_T_VS_WCHAR_T_NEEDS_CONVERSION
    if (wc != 0)
      {
        wc = unicode_to_locale_encoding (wc);
        if (wc == 0)
          return EOF;
      }
  # endif
    return wctob (wc);
  #endif
  }
  

Download