kc3-lang/gnulib/lib/fdopen.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• lib/fdopen.c

• /* Open a stream with a given file descriptor.
     Copyright (C) 2011-2025 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 2.1 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/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <stdio.h>
  
  #include <errno.h>
  
  #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
  # include "msvc-inval.h"
  #endif
  
  #undef fdopen
  
  #if defined _WIN32 && !defined __CYGWIN__
  # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
  static FILE *
  fdopen_nothrow (int fd, const char *mode)
  {
    FILE *result;
  
    TRY_MSVC_INVAL
      {
        result = _fdopen (fd, mode);
      }
    CATCH_MSVC_INVAL
      {
        result = NULL;
      }
    DONE_MSVC_INVAL;
  
    return result;
  }
  # else
  #  define fdopen_nothrow _fdopen
  # endif
  #else
  # define fdopen_nothrow fdopen
  #endif
  
  FILE *
  rpl_fdopen (int fd, const char *mode)
  {
    int saved_errno = errno;
    FILE *fp;
  
    errno = 0;
    fp = fdopen_nothrow (fd, mode);
    if (fp == NULL)
      {
        if (errno == 0)
          errno = EBADF;
      }
    else
      errno = saved_errno;
  
    return fp;
  }
  

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