1 /** 2 * strsep implementation for compatibility. 3 * 4 * LICENSE 5 * Copyright (c) 2016, NLnet Labs 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * * Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * * Neither the name of NLnetLabs nor the names of its 16 * contributors may be used to endorse or promote products derived from this 17 * software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 **/ 31 32 #include "config.h" 33 34 /** see if character is in the delimiter array */ 35 static int 36 in_delim(char c, const char* delim) 37 { 38 const char* p; 39 if(!delim) 40 return 0; 41 for(p=delim; *p; p++) { 42 if(*p == c) 43 return 1; 44 } 45 return 0; 46 } 47 48 char *strsep(char **stringp, const char *delim) 49 { 50 char* s; 51 char* orig; 52 if(stringp == NULL || *stringp == NULL) 53 return NULL; 54 orig = *stringp; 55 s = *stringp; 56 while(*s && !in_delim(*s, delim)) 57 s++; 58 if(*s) { 59 *s = 0; 60 *stringp = s+1; 61 } else { 62 *stringp = NULL; 63 } 64 return orig; 65 } 66