-/*****************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
*
- * In order to be useful for every potential user, curl and libcurl are
- * dual-licensed under the MPL and the MIT/X-derivate licenses.
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the MPL or the MIT/X-derivate
- * licenses. You may pick one of these licenses.
+ * furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
- * $Id$
- *****************************************************************************/
+ ***************************************************************************/
-
-#include "setup.h"
+#include "curl_setup.h"
#ifndef HAVE_STRTOK_R
-
-/*
- * Copyright (c) 1998 Softweyr LLC. All rights reserved.
- *
- * strtok_r, from Berkeley strtok
- * Oct 13, 1998 by Wes Peters <wes@softweyr.com>
- *
- * Copyright (c) 1988, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notices, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notices, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- *
- * This product includes software developed by Softweyr LLC, the
- * University of California, Berkeley, and its contributors.
- *
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY SOFTWEYR LLC, THE REGENTS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SOFTWEYR LLC, THE
- * REGENTS, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
#include <stddef.h>
+#include "strtok.h"
+
char *
-curl_strtok_r(char *s, const char *delim, char **last)
+Curl_strtok_r(char *ptr, const char *sep, char **end)
{
- char *spanp;
- int c, sc;
- char *tok;
+ if(!ptr)
+ /* we got NULL input so then we get our last position instead */
+ ptr = *end;
- if (s == NULL && (s = *last) == NULL)
- {
- return NULL;
- }
+ /* pass all letters that are including in the separator string */
+ while(*ptr && strchr(sep, *ptr))
+ ++ptr;
- /*
- * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
- */
-cont:
- c = *s++;
- for (spanp = (char *)delim; (sc = *spanp++) != 0; )
- {
- if (c == sc)
- {
- goto cont;
- }
- }
+ if(*ptr) {
+ /* so this is where the next piece of string starts */
+ char *start = ptr;
- if (c == 0) /* no non-delimiter characters */
- {
- *last = NULL;
- return NULL;
- }
- tok = s - 1;
+ /* set the end pointer to the first byte after the start */
+ *end = start + 1;
- /*
- * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
- * Note that delim must have one NUL; we stop if we see that, too.
- */
- for (;;)
- {
- c = *s++;
- spanp = (char *)delim;
- do
- {
- if ((sc = *spanp++) == c)
- {
- if (c == 0)
- {
- s = NULL;
- }
- else
- {
- char *w = s - 1;
- *w = '\0';
- }
- *last = s;
- return tok;
- }
- }
- while (sc != 0);
+ /* scan through the string to find where it ends, it ends on a
+ null byte or a character that exists in the separator string */
+ while(**end && !strchr(sep, **end))
+ ++*end;
+
+ if(**end) {
+ /* the end is not a null byte */
+ **end = '\0'; /* zero terminate it! */
+ ++*end; /* advance the last pointer to beyond the null byte */
}
- /* NOTREACHED */
-}
-#endif
+ return start; /* return the position where the string starts */
+ }
+
+ /* we ended up on a null byte, there are no more strings to find! */
+ return NULL;
+}
+#endif /* this was only compiled if strtok_r wasn't present */