kc3-lang/gnulib/lib/close.c

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• Hash : 281b825e
  Author :
  Date : 2018-01-01T00:57:25
  

  maint: Run 'make update-copyright'
  

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• lib/close.c

• /* close replacement.
     Copyright (C) 2008-2018 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program 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 General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <unistd.h>
  
  #include <errno.h>
  
  #include "fd-hook.h"
  #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
  # include "msvc-inval.h"
  #endif
  
  #undef close
  
  #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
  static int
  close_nothrow (int fd)
  {
    int result;
  
    TRY_MSVC_INVAL
      {
        result = close (fd);
      }
    CATCH_MSVC_INVAL
      {
        result = -1;
        errno = EBADF;
      }
    DONE_MSVC_INVAL;
  
    return result;
  }
  #else
  # define close_nothrow close
  #endif
  
  /* Override close() to call into other gnulib modules.  */
  
  int
  rpl_close (int fd)
  {
  #if WINDOWS_SOCKETS
    int retval = execute_all_close_hooks (close_nothrow, fd);
  #else
    int retval = close_nothrow (fd);
  #endif
  
  #if REPLACE_FCHDIR
    if (retval >= 0)
      _gl_unregister_fd (fd);
  #endif
  
    return retval;
  }
  

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