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70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/*
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* Copyright (c) 2000, 2002 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* 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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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, 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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*
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* 3. Neither the name of the Institute 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 THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id: strsep_copy.c,v 1.5 2005/04/12 11:29:11 lha Exp $");
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#endif
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#include <string.h>
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#include "roken.h"
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#ifndef HAVE_STRSEP_COPY
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/* strsep, but with const stringp, so return string in buf */
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ssize_t ROKEN_LIB_FUNCTION
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strsep_copy(const char **stringp, const char *delim, char *buf, size_t len)
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{
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const char *save = *stringp;
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size_t l;
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if(save == NULL)
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return -1;
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*stringp = *stringp + strcspn(*stringp, delim);
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l = min(len, *stringp - save);
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if(len > 0) {
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memcpy(buf, save, l);
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buf[l] = '\0';
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}
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l = *stringp - save;
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if(**stringp == '\0')
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*stringp = NULL;
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else
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(*stringp)++;
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return l;
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}
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#endif
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