Return to lstMember.c CVS log

Up to [CSRG BSD Unix] / 43BSDReno / usr.bin / make / lst.lib

Annotation of 43BSDReno/usr.bin/make/lst.lib/lstMember.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * This code is derived from software contributed to Berkeley by
                      6:  * Adam de Boor.
                      7:  *
                      8:  * Redistribution and use in source and binary forms are permitted
                      9:  * provided that: (1) source distributions retain this entire copyright
                     10:  * notice and comment, and (2) distributions including binaries display
                     11:  * the following acknowledgement:  ``This product includes software
                     12:  * developed by the University of California, Berkeley and its contributors''
                     13:  * in the documentation or other materials provided with the distribution
                     14:  * and in all advertising materials mentioning features or use of this
                     15:  * software. Neither the name of the University nor the names of its
                     16:  * contributors may be used to endorse or promote products derived
                     17:  * from this software without specific prior written permission.
                     18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     19:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     20:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21:  */
                     22: 
                     23: #ifndef lint
                     24: static char sccsid[] = "@(#)lstMember.c        5.3 (Berkeley) 6/1/90";
                     25: #endif /* not lint */
                     26: 
                     27: /*-
                     28:  * lstMember.c --
                     29:  *     See if a given datum is on a given list.
                     30:  */
                     31: 
                     32: #include    "lstInt.h"
                     33: 
                     34: LstNode
                     35: Lst_Member (l, d)
                     36:     Lst                        l;
                     37:     ClientData         d;
                     38: {
                     39:     List               list = (List) l;
                     40:     register ListNode  lNode;
                     41: 
                     42:     lNode = list->firstPtr;
                     43:     if (lNode == NilListNode) {
                     44:        return NILLNODE;
                     45:     }
                     46:     
                     47:     do {
                     48:        if (lNode->datum == d) {
                     49:            return (LstNode)lNode;
                     50:        }
                     51:        lNode = lNode->nextPtr;
                     52:     } while (lNode != NilListNode && lNode != list->firstPtr);
                     53: 
                     54:     return NILLNODE;
                     55: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.