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67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id: strtok.c,v 1.11 2003/01/29 10:14:24 bagder Exp $
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***************************************************************************/
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#include "setup.h"
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#ifndef HAVE_STRTOK_R
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#include <stddef.h>
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#include <string.h>
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char *
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Curl_strtok_r(char *ptr, const char *sep, char **end)
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{
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if (!ptr)
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/* we got NULL input so then we get our last position instead */
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ptr = *end;
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/* pass all letters that are including in the separator string */
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while (*ptr && strchr(sep, *ptr))
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++ptr;
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if (*ptr) {
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/* so this is where the next piece of string starts */
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char *start = ptr;
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/* set the end pointer to the first byte after the start */
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*end = start + 1;
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/* scan through the string to find where it ends, it ends on a
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null byte or a character that exists in the separator string */
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while (**end && !strchr(sep, **end))
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++*end;
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if (**end) {
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/* the end is not a null byte */
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**end = '\0'; /* zero terminate it! */
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++*end; /* advance the last pointer to beyond the null byte */
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}
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return start; /* return the position where the string starts */
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}
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/* we ended up on a null byte, there are no more strings to find! */
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return NULL;
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}
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#endif /* this was only compiled if strtok_r wasn't present */
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