1 /*- 2 * See the file LICENSE for redistribution information. 3 * 4 * Copyright (c) 1996, 1997 5 * Sleepycat Software. All rights reserved. 6 */ 7 /* 8 * Copyright (c) 1990, 1993 9 * The Regents of the University of California. All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. 42 */ 43 44 #include "config.h" 45 46 #ifndef lint 47 static const char sccsid[] = "@(#)strsep.c 10.1 (Sleepycat) 4/12/97"; 48 #endif /* not lint */ 49 50 #ifndef NO_SYSTEM_INCLUDES 51 #include <string.h> 52 #include <stdio.h> 53 #endif 54 55 /* 56 * Get next token from string *stringp, where tokens are possibly-empty 57 * strings separated by characters from delim. 58 * 59 * Writes NULs into the string at *stringp to end tokens. 60 * delim need not remain constant from call to call. 61 * On return, *stringp points past the last NUL written (if there might 62 * be further tokens), or is NULL (if there are definitely no more tokens). 63 * 64 * If *stringp is NULL, strsep returns NULL. 65 * 66 * PUBLIC: #ifndef HAVE_STRSEP 67 * PUBLIC: char *strsep __P((char **, const char *)); 68 * PUBLIC: #endif 69 */ 70 71 #ifndef HAVE_STRSEP 72 73 char * 74 strsep(stringp, delim) 75 register char **stringp; 76 register const char *delim; 77 { 78 register char *s; 79 register const char *spanp; 80 register int c, sc; 81 char *tok; 82 83 if ((s = *stringp) == NULL) 84 return (NULL); 85 for (tok = s;;) { 86 c = *s++; 87 spanp = delim; 88 do { 89 if ((sc = *spanp++) == c) { 90 if (c == 0) 91 s = NULL; 92 else 93 s[-1] = 0; 94 *stringp = s; 95 return (tok); 96 } 97 } while (sc != 0); 98 } 99 /* NOTREACHED */ 100 } 101 102 #endif /* HAVE_STRSEP */ 103