1*0Sstevel@tonic-gate /*- 2*0Sstevel@tonic-gate * See the file LICENSE for redistribution information. 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * Copyright (c) 1996, 1997 5*0Sstevel@tonic-gate * Sleepycat Software. All rights reserved. 6*0Sstevel@tonic-gate */ 7*0Sstevel@tonic-gate /* 8*0Sstevel@tonic-gate * Copyright (c) 1990, 1993 9*0Sstevel@tonic-gate * The Regents of the University of California. All rights reserved. 10*0Sstevel@tonic-gate * 11*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 12*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 13*0Sstevel@tonic-gate * are met: 14*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 15*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 16*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 17*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 18*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 19*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software 20*0Sstevel@tonic-gate * must display the following acknowledgement: 21*0Sstevel@tonic-gate * This product includes software developed by the University of 22*0Sstevel@tonic-gate * California, Berkeley and its contributors. 23*0Sstevel@tonic-gate * 4. Neither the name of the University nor the names of its contributors 24*0Sstevel@tonic-gate * may be used to endorse or promote products derived from this software 25*0Sstevel@tonic-gate * without specific prior written permission. 26*0Sstevel@tonic-gate * 27*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37*0Sstevel@tonic-gate * SUCH DAMAGE. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate /* 40*0Sstevel@tonic-gate * Copyright (c) 1998 by Sun Microsystems, Inc. 41*0Sstevel@tonic-gate * All rights reserved. 42*0Sstevel@tonic-gate */ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate #include "config.h" 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #ifndef lint 49*0Sstevel@tonic-gate static const char sccsid[] = "@(#)strsep.c 10.1 (Sleepycat) 4/12/97"; 50*0Sstevel@tonic-gate static const char sccsi2[] = "%W% (Sun) %G%"; 51*0Sstevel@tonic-gate #endif /* not lint */ 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #ifndef NO_SYSTEM_INCLUDES 54*0Sstevel@tonic-gate #include <string.h> 55*0Sstevel@tonic-gate #include <stdio.h> 56*0Sstevel@tonic-gate #endif 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* 59*0Sstevel@tonic-gate * Get next token from string *stringp, where tokens are possibly-empty 60*0Sstevel@tonic-gate * strings separated by characters from delim. 61*0Sstevel@tonic-gate * 62*0Sstevel@tonic-gate * Writes NULs into the string at *stringp to end tokens. 63*0Sstevel@tonic-gate * delim need not remain constant from call to call. 64*0Sstevel@tonic-gate * On return, *stringp points past the last NUL written (if there might 65*0Sstevel@tonic-gate * be further tokens), or is NULL (if there are definitely no more tokens). 66*0Sstevel@tonic-gate * 67*0Sstevel@tonic-gate * If *stringp is NULL, strsep returns NULL. 68*0Sstevel@tonic-gate * 69*0Sstevel@tonic-gate * PUBLIC: #ifndef HAVE_STRSEP 70*0Sstevel@tonic-gate * PUBLIC: char *strsep __P((char **, const char *)); 71*0Sstevel@tonic-gate * PUBLIC: #endif 72*0Sstevel@tonic-gate */ 73*0Sstevel@tonic-gate char * 74*0Sstevel@tonic-gate strsep(stringp, delim) 75*0Sstevel@tonic-gate register char **stringp; 76*0Sstevel@tonic-gate register const char *delim; 77*0Sstevel@tonic-gate { 78*0Sstevel@tonic-gate register char *s; 79*0Sstevel@tonic-gate register const char *spanp; 80*0Sstevel@tonic-gate register int c, sc; 81*0Sstevel@tonic-gate char *tok; 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate if ((s = *stringp) == NULL) 84*0Sstevel@tonic-gate return (NULL); 85*0Sstevel@tonic-gate for (tok = s;;) { 86*0Sstevel@tonic-gate c = *s++; 87*0Sstevel@tonic-gate spanp = delim; 88*0Sstevel@tonic-gate do { 89*0Sstevel@tonic-gate if ((sc = *spanp++) == c) { 90*0Sstevel@tonic-gate if (c == 0) 91*0Sstevel@tonic-gate s = NULL; 92*0Sstevel@tonic-gate else 93*0Sstevel@tonic-gate s[-1] = 0; 94*0Sstevel@tonic-gate *stringp = s; 95*0Sstevel@tonic-gate return (tok); 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate } while (sc != 0); 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate /* NOTREACHED */ 100*0Sstevel@tonic-gate } 101