12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/*- 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 1990, 1993 32949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * The Regents of the University of California. All rights reserved. 42949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 52949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Redistribution and use in source and binary forms, with or without 62949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * modification, are permitted provided that the following conditions 72949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * are met: 82949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 92949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * notice, this list of conditions and the following disclaimer. 102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * documentation and/or other materials provided with the distribution. 132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 3. All advertising materials mentioning features or use of this software 142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * must display the following acknowledgement: 152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * This product includes software developed by the University of 162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * California, Berkeley and its contributors. 172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 4. Neither the name of the University nor the names of its contributors 182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * may be used to endorse or promote products derived from this software 192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * without specific prior written permission. 202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * SUCH DAMAGE. 322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#if defined(LIBC_SCCS) && !defined(lint) 352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic const char rcsid[] = 3653f17a9db278d33517d9888dd77848f554522a38JP Abgrall "@(#) $Header: /tcpdump/master/tcpdump/missing/strsep.c,v 1.3 2003-03-25 08:33:48 guy Exp $ (LBL)"; 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif /* LIBC_SCCS and not lint */ 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef HAVE_CONFIG_H 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <config.h> 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <tcpdump-stdinc.h> 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <string.h> 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Get next token from string *stringp, where tokens are possibly-empty 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * strings separated by characters from delim. 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Writes NULs into the string at *stringp to end tokens. 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * delim need not remain constant from call to call. 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * On return, *stringp points past the last NUL written (if there might 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * be further tokens), or is NULL (if there are definitely no more tokens). 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * If *stringp is NULL, strsep returns NULL. 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectchar * 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstrsep(char **stringp, const char *delim) 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register char *s; 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register const char *spanp; 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register int c, sc; 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project char *tok; 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((s = *stringp) == NULL) 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (NULL); 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for (tok = s;;) { 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project c = *s++; 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project spanp = delim; 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project do { 722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((sc = *spanp++) == c) { 732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (c == 0) 742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project s = NULL; 752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project s[-1] = 0; 772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project *stringp = s; 782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (tok); 792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } while (sc != 0); 812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* NOTREACHED */ 832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 84