/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "plstr.h"

PR_IMPLEMENT(char *)

PL_strtok_r(char *s1, const char *s2, char **lasts)

{

    const char *sepp;

    int         c, sc;

    char       *tok;

    if( s1 == NULL )

    {

        if( *lasts == NULL )

            return NULL;

        s1 = *lasts;

    }

    for( ; (c = *s1) != 0; s1++ )

    {

        for( sepp = s2 ; (sc = *sepp) != 0 ; sepp++ )

        {

            if( c == sc )

                break;

        }

        if( sc == 0 )

            break; 

    }

    if( c == 0 )

    {

        *lasts = NULL;

        return NULL;

    }

    tok = s1++;

    for( ; (c = *s1) != 0; s1++ )

    {

        for( sepp = s2; (sc = *sepp) != 0; sepp++ )

        {

            if( c == sc )

            {

                *s1++ = '\0';

                *lasts = s1;

                return tok;

            }

        }

    }

    *lasts = NULL;

    return tok;

}