tesseract  3.03
/usr/local/google/home/jbreiden/tesseract-ocr-read-only/vs2010/port/strtok_r.cpp
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00001 /*
00002  * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
00003  * (Royal Institute of Technology, Stockholm, Sweden).
00004  * All rights reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer.
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  *
00017  * 3. Neither the name of the Institute nor the names of its contributors
00018  *    may be used to endorse or promote products derived from this software
00019  *    without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00022  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00023  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00024  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00025  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00026  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00027  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00028  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00029  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00030  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  */
00033 
00034 // source: https://github.com/heimdal/heimdal/blob/master/lib/roken/strtok_r.c
00035 
00036 #include <string.h>
00037 
00038 char *strtok_r(char *s1, const char *s2, char **lasts) {
00039   char *ret;
00040 
00041   if (s1 == NULL)
00042     s1 = *lasts;
00043   while (*s1 && strchr(s2, *s1))
00044     ++s1;
00045   if (*s1 == '\0')
00046     return NULL;
00047   ret = s1;
00048   while (*s1 && !strchr(s2, *s1))
00049     ++s1;
00050   if (*s1)
00051     *s1++ = '\0';
00052   *lasts = s1;
00053   return ret;
00054 }
00055 
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