dup, execute, fatal-signal, etc.: no 'static inline' * lib/dup.c (dup_nothrow): * lib/execute.c (nonintr_close, nonintr_open): * lib/fatal-signal.c (uninstall_handlers, install_handlers): * lib/fopen.c (orig_fopen): * lib/freadseek.c (freadptrinc): * lib/freopen.c (orig_freopen): * lib/fstat.c (orig_fstat, fstat_nothrow): * lib/get-rusage-as.c (get_rusage_as_via_setrlimit) (get_rusage_as_via_iterator): * lib/get-rusage-data.c (get_rusage_data_via_setrlimit): * lib/getdtablesize.c (_setmaxstdio_nothrow): * lib/isatty.c (_isatty_nothrow): * lib/open.c (orig_open): * lib/read.c (read_nothrow): * lib/sigprocmask.c (signal_nothrow): * lib/spawn-pipe.c (nonintr_close, nonintr_open): * lib/vasnprintf.c (MAX_ROOM_NEEDED): * lib/wait-process.c (unregister_slave_subprocess): * lib/write.c (write_nothrow): Now static, not static inline. * lib/spawn-pipe.c (nonintr_open): Define only if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__. * m4/dup.m4 (gl_PREREQ_DUP): * m4/execute.m4 (gl_EXECUTE): * m4/fatal-signal.m4 (gl_FATAL_SIGNAL): * m4/fopen.m4 (gl_PREREQ_FOPEN): * m4/freadseek.m4 (gl_FUNC_FREADSEEK): * m4/freopen.m4 (gl_PREREQ_FREOPEN): * m4/fstat.m4 (gl_PREREQ_FSTAT): * m4/getdtablesize.m4 (gl_PREREQ_GETDTABLESIZE): * m4/isatty.m4 (gl_PREREQ_ISATTY): * m4/open.m4 (gl_PREREQ_OPEN): * m4/read.m4 (gl_PREREQ_READ): * m4/signalblocking.m4 (gl_PREREQ_SIGPROCMASK): * m4/spawn-pipe.m4 (gl_SPAWN_PIPE): * m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF): * m4/wait-process.m4 (gl_WAIT_PROCESS): * m4/write.m4 (gl_PREREQ_WRITE): * modules/get-rusage-as, modules/get-rusage-data (configure.ac): Do not require AC_C_INLINE.

/* Duplicate an open file descriptor.

   Copyright (C) 2011-2012 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 <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <unistd.h>

#include <errno.h>

#include "msvc-inval.h"

#undef dup

#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
static int
dup_nothrow (int fd)
{
  int result;

  TRY_MSVC_INVAL
    {
      result = dup (fd);
    }
  CATCH_MSVC_INVAL
    {
      result = -1;
      errno = EBADF;
    }
  DONE_MSVC_INVAL;

  return result;
}
#else
# define dup_nothrow dup
#endif

int
rpl_dup (int fd)
{
  int result = dup_nothrow (fd);
#if REPLACE_FCHDIR
  if (result >= 0)
    result = _gl_register_dup (fd, result);
#endif
  return result;
}