66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/**
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* strsep implementation for compatibility.
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*
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* LICENSE
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* Copyright (c) 2016, NLnet Labs
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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 are met:
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * 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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* * Neither the name of NLnetLabs nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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**/
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#include "config.h"
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/** see if character is in the delimiter array */
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static int
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in_delim(char c, const char* delim)
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{
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const char* p;
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if(!delim)
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return 0;
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for(p=delim; *p; p++) {
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if(*p == c)
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return 1;
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}
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return 0;
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}
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char *strsep(char **stringp, const char *delim)
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{
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char* s;
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char* orig;
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if(stringp == NULL || *stringp == NULL)
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return NULL;
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orig = *stringp;
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s = *stringp;
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while(*s && !in_delim(*s, delim))
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s++;
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if(*s) {
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*s = 0;
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*stringp = s+1;
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} else {
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*stringp = NULL;
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}
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return orig;
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}
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