author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:46:38 +0300 | |
changeset 18 | 47c74d1534e1 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
0
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/*- |
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* Copyright (c) 1998 Softweyr LLC. All rights reserved. |
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* |
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* strtok_r, from Berkeley strtok |
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* Oct 13, 1998 by Wes Peters <wes@softweyr.com> |
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* |
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* Copyright (c) 1988, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notices, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notices, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY SOFTWEYR LLC, THE REGENTS AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SOFTWEYR LLC, THE |
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* REGENTS, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* © Portions copyright (c) 2005-2006 Nokia Corporation. All rights reserved. |
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*/ |
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|
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#if defined(LIBC_SCCS) && !defined(lint) |
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static char sccsid[] = "@(#)strtok.c 8.1 (Berkeley) 6/4/93"; |
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#endif /* LIBC_SCCS and not lint */ |
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#include <sys/cdefs.h> |
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#ifndef __SYMBIAN32__ |
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__FBSDID("$FreeBSD: src/lib/libc/string/strtok.c,v 1.9 2002/09/07 02:53:19 tjr Exp $"); |
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#endif |
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|
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#include <stddef.h> |
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#ifdef DEBUG_STRTOK |
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#include <stdio.h> |
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#endif |
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#include <string.h> |
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|
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#if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__))) |
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#include "libc_wsd_defs.h" |
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#endif |
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|
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|
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char *__strtok_r(char *, const char *, char **); |
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|
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//__weak_reference(__strtok_r, strtok_r); |
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char * |
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__strtok_r(char *s, const char *delim, char **last) |
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{ |
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char *spanp, *tok; |
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int c, sc; |
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|
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if (s == NULL && (s = *last) == NULL) |
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return (NULL); |
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|
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/* |
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* Skip (span) leading delimiters (s += strspn(s, delim), sort of). |
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*/ |
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cont: |
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c = *s++; |
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for (spanp = (char *)delim; (sc = *spanp++) != 0;) { |
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if (c == sc) |
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goto cont; |
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} |
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|
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if (c == 0) { /* no non-delimiter characters */ |
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*last = NULL; |
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return (NULL); |
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} |
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tok = s - 1; |
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|
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/* |
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* Scan token (scan for delimiters: s += strcspn(s, delim), sort of). |
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* Note that delim must have one NUL; we stop if we see that, too. |
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*/ |
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for (;;) { |
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c = *s++; |
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spanp = (char *)delim; |
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do { |
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if ((sc = *spanp++) == c) { |
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if (c == 0) |
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s = NULL; |
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95 |
else |
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s[-1] = '\0'; |
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*last = s; |
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return (tok); |
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99 |
} |
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} while (sc != 0); |
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} |
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/* NOTREACHED */ |
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} |
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#ifdef EMULATOR |
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GET_STATIC_VAR_FROM_TLS(last, char *) |
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#define last (*GET_WSD_VAR_NAME(last, s)()) |
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#endif //EMULATOR |
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110 |
|
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EXPORT_C |
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char * |
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strtok(char *s, const char *delim) |
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{ |
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115 |
#ifndef EMULATOR |
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static char *last; |
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#endif //EMULATOR |
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|
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return (__strtok_r(s, delim, &last)); |
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} |
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|
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#ifdef DEBUG_STRTOK |
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/* |
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* Test the tokenizer. |
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*/ |
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int |
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main(void) |
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{ |
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char blah[80], test[80]; |
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char *brkb, *brkt, *phrase, *sep, *word; |
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|
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sep = "\\/:;=-"; |
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phrase = "foo"; |
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|
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printf("String tokenizer test:\n"); |
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strcpy(test, "This;is.a:test:of=the/string\\tokenizer-function."); |
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for (word = strtok(test, sep); word; word = strtok(NULL, sep)) |
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printf("Next word is \"%s\".\n", word); |
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strcpy(test, "This;is.a:test:of=the/string\\tokenizer-function."); |
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|
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for (word = strtok_r(test, sep, &brkt); word; |
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word = strtok_r(NULL, sep, &brkt)) { |
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strcpy(blah, "blah:blat:blab:blag"); |
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|
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for (phrase = strtok_r(blah, sep, &brkb); phrase; |
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phrase = strtok_r(NULL, sep, &brkb)) |
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printf("So far we're at %s:%s\n", word, phrase); |
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} |
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|
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return (0); |
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} |
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|
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#endif /* DEBUG_STRTOK */ |