usr/src/lib/libc/port/gen/strtok.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include "lint.h"
  33 #include <string.h>
  34 #include <stddef.h>
  35 #include <sys/types.h>
  36 #include "tsd.h"
  37
  38 /*
  39  * This is in a separate source file from strtok_r() so that the
  40  * dynamic linker (ld.so.1) will not needlessly get a reference
  41  * to tsdalloc() and pull in more than it needs from libc_pic.a
  42  */
  43 char *
  44 strtok(char *string, const char *sepset)
  45 {
  46         char **lasts = tsdalloc(_T_STRTOK, sizeof (char *), NULL);
  47
  48         if (lasts == NULL)
  49                 return (NULL);
  50         return (strtok_r(string, sepset, lasts));
  51 }