view lib/wcstok-impl.h @ 15727:144db791c6fa

Ensure EBADF returns for socket functions on mingw. * lib/accept.c (rpl_accept): Fail with error EBADF if the file descriptor is invalid. * lib/bind.c (rpl_bind): Likewise. * lib/connect.c (rpl_connect): Likewise. * lib/getpeername.c (rpl_getpeername): Likewise. * lib/getsockname.c (rpl_getsockname): Likewise. * lib/getsockopt.c (rpl_getsockopt): Likewise. * lib/listen.c (rpl_listen): Likewise. * lib/recv.c (rpl_recv): Likewise. * lib/recvfrom.c (rpl_recvfrom): Likewise. * lib/send.c (rpl_send): Likewise. * lib/sendto.c (rpl_sendto): Likewise. * lib/setsockopt.c (rpl_setsockopt): Likewise. * lib/shutdown.c (rpl_shutdown): Likewise.
author Bruno Haible <bruno@clisp.org>
date Wed, 21 Sep 2011 00:20:59 +0200
parents 952e98e7b703
children 8250f2777afc
line wrap: on
line source

/* Split a wide string into tokens.
   Copyright (C) 1999, 2011 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 1999.

   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/>.  */

wchar_t *
wcstok (wchar_t *wcs, const wchar_t *delim, wchar_t **ptr)
{
  if (wcs == NULL)
    {
      wcs = *ptr;
      if (wcs == NULL)
        return NULL; /* reminder that end of token sequence has been reached */
    }

  /* Skip leading delimiters.  */
  wcs += wcsspn (wcs, delim);

  /* Found a token?  */
  if (*wcs == (wchar_t)'\0')
    {
      *ptr = NULL;
      return NULL;
    }
  /* Move past the token.  */
  {
    wchar_t *token_end = wcspbrk (wcs, delim);
    if (token_end)
      {
        /* NUL-terminate the token.  */
        *token_end = (wchar_t)'\0';
        *ptr = token_end + 1;
      }
    else
      *ptr = NULL;
  }
  return wcs;
}