1 #ifdef HAVE_CONFIG_H 2 #include "config.h" 3 #endif 4 5 #ifdef HAVE_STRSEP 6 7 int dummy; 8 9 #else 10 11 /* ($)OpenBSD: strsep.c,v 1.6 2005/08/08 08:05:37 espie Exp $ */ 12 13 /*- 14 * Copyright (c) 1990, 1993 15 * The Regents of the University of California. All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 3. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 */ 41 42 /* 43 * Get next token from string *stringp, where tokens are possibly-empty 44 * strings separated by characters from delim. 45 * 46 * Writes NULs into the string at *stringp to end tokens. 47 * delim need not remain constant from call to call. 48 * On return, *stringp points past the last NUL written (if there might 49 * be further tokens), or is NULL (if there are definitely no more tokens). 50 * 51 * If *stringp is NULL, strsep returns NULL. 52 */ 53 char * 54 strsep(char **stringp, const char *delim) 55 { 56 char *s; 57 const char *spanp; 58 int c, sc; 59 char *tok; 60 61 if ((s = *stringp) == NULL) 62 return (NULL); 63 for (tok = s;;) { 64 c = *s++; 65 spanp = delim; 66 do { 67 if ((sc = *spanp++) == c) { 68 if (c == 0) 69 s = NULL; 70 else 71 s[-1] = 0; 72 *stringp = s; 73 return (tok); 74 } 75 } while (sc != 0); 76 } 77 /* NOTREACHED */ 78 } 79 80 #endif 81