Return to strtok.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / curl / lib

Annotation of embedaddon/curl/lib/strtok.c, revision 1.1.1.1

1.1       misho       1: /***************************************************************************
                      2:  *                                  _   _ ____  _
                      3:  *  Project                     ___| | | |  _ \| |
                      4:  *                             / __| | | | |_) | |
                      5:  *                            | (__| |_| |  _ <| |___
                      6:  *                             \___|\___/|_| \_\_____|
                      7:  *
                      8:  * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
                      9:  *
                     10:  * This software is licensed as described in the file COPYING, which
                     11:  * you should have received as part of this distribution. The terms
                     12:  * are also available at https://curl.haxx.se/docs/copyright.html.
                     13:  *
                     14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
                     15:  * copies of the Software, and permit persons to whom the Software is
                     16:  * furnished to do so, under the terms of the COPYING file.
                     17:  *
                     18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
                     19:  * KIND, either express or implied.
                     20:  *
                     21:  ***************************************************************************/
                     22: 
                     23: #include "curl_setup.h"
                     24: 
                     25: #ifndef HAVE_STRTOK_R
                     26: #include <stddef.h>
                     27: 
                     28: #include "strtok.h"
                     29: 
                     30: char *
                     31: Curl_strtok_r(char *ptr, const char *sep, char **end)
                     32: {
                     33:   if(!ptr)
                     34:     /* we got NULL input so then we get our last position instead */
                     35:     ptr = *end;
                     36: 
                     37:   /* pass all letters that are including in the separator string */
                     38:   while(*ptr && strchr(sep, *ptr))
                     39:     ++ptr;
                     40: 
                     41:   if(*ptr) {
                     42:     /* so this is where the next piece of string starts */
                     43:     char *start = ptr;
                     44: 
                     45:     /* set the end pointer to the first byte after the start */
                     46:     *end = start + 1;
                     47: 
                     48:     /* scan through the string to find where it ends, it ends on a
                     49:        null byte or a character that exists in the separator string */
                     50:     while(**end && !strchr(sep, **end))
                     51:       ++*end;
                     52: 
                     53:     if(**end) {
                     54:       /* the end is not a null byte */
                     55:       **end = '\0';  /* zero terminate it! */
                     56:       ++*end;        /* advance the last pointer to beyond the null byte */
                     57:     }
                     58: 
                     59:     return start; /* return the position where the string starts */
                     60:   }
                     61: 
                     62:   /* we ended up on a null byte, there are no more strings to find! */
                     63:   return NULL;
                     64: }
                     65: 
                     66: #endif /* this was only compiled if strtok_r wasn't present */