diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/tfind.c')
| -rw-r--r-- | usr/src/lib/libbc/libc/gen/common/tfind.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/tfind.c b/usr/src/lib/libbc/libc/gen/common/tfind.c deleted file mode 100644 index b58036f1bd..0000000000 --- a/usr/src/lib/libbc/libc/gen/common/tfind.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* Copyright (c) 1984 AT&T */ -/* All Rights Reserved */ - -#pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.2 */ - -/*LINTLIBRARY*/ -/* - * Tree search algorithm, generalized from Knuth (6.2.2) Algorithm T. - * - * The NODE * arguments are declared in the lint files as char *, - * because the definition of NODE isn't available to the user. - */ - -#include <search.h> -typedef char *POINTER; -typedef struct node { POINTER key; struct node *llink, *rlink; } NODE; - -#define NULL 0 - - -/* tfind - find a node, or return 0 */ -NODE * -tfind(key, rootp, compar) -POINTER key; /* Key to be located */ -register NODE **rootp; /* Address of the root of the tree */ -int (*compar)(); /* Comparison function */ -{ - if (rootp == NULL) - return (NULL); - while (*rootp != NULL) { /* T1: */ - int r = (*compar)(key, (*rootp)->key); /* T2: */ - if (r == 0) - return (*rootp); /* Key found */ - rootp = (r < 0) ? - &(*rootp)->llink : /* T3: Take left branch */ - &(*rootp)->rlink; /* T4: Take right branch */ - } - return (NODE *)(NULL); -} |
