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authorRao Shoaib <Rao.Shoaib@Sun.COM>2009-11-11 08:45:41 -0800
committerRao Shoaib <Rao.Shoaib@Sun.COM>2009-11-11 08:45:41 -0800
commit9525b14bcdeb5b5f6f95ab27c2f48f18bd2ec829 (patch)
treedf51891a276edf456c1481f49653a76cdfedee53 /usr/src/lib/libresolv2/common/isc/tree.c
parent0324f02a004039d6377111191fdd7134452d7817 (diff)
downloadillumos-gate-9525b14bcdeb5b5f6f95ab27c2f48f18bd2ec829.tar.gz
6289479 libresolv2 clean up and alignment with libbind.6.0
Diffstat (limited to 'usr/src/lib/libresolv2/common/isc/tree.c')
-rw-r--r--usr/src/lib/libresolv2/common/isc/tree.c45
1 files changed, 18 insertions, 27 deletions
diff --git a/usr/src/lib/libresolv2/common/isc/tree.c b/usr/src/lib/libresolv2/common/isc/tree.c
index fea38085e0..8ba675fbe8 100644
--- a/usr/src/lib/libresolv2/common/isc/tree.c
+++ b/usr/src/lib/libresolv2/common/isc/tree.c
@@ -1,13 +1,8 @@
-/*
- * Copyright 1997-2002 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
#ifndef LINT
-static const char rcsid[] = "$Id: tree.c,v 8.10 2001/11/01 05:33:46 marka Exp $";
+static const char rcsid[] = "$Id: tree.c,v 1.4 2005/04/27 04:56:39 sra Exp $";
#endif
-/*
+/*%
* tree - balanced binary tree library
*
* vix 05apr94 [removed vixie.h dependencies; cleaned up formatting, names]
@@ -19,7 +14,7 @@ static const char rcsid[] = "$Id: tree.c,v 8.10 2001/11/01 05:33:46 marka Exp $"
* vix 14dec85 [written]
*/
-/*
+/*%
* This program text was created by Paul Vixie using examples from the book:
* "Algorithms & Data Structures," Niklaus Wirth, Prentice-Hall, 1986, ISBN
* 0-13-022005-1. Any errors in the conversion from Modula-2 to C are Paul
@@ -27,24 +22,22 @@ static const char rcsid[] = "$Id: tree.c,v 8.10 2001/11/01 05:33:46 marka Exp $"
*/
/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Portions Copyright (c) 1996-1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
- * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
- * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
/*#define DEBUG "tree"*/
#include "port_before.h"
@@ -209,11 +202,7 @@ sprout(tree **ppr, tree_t p_data, int *pi_balance,
(*ppr)->data = p_data;
*pi_balance = TRUE;
}
-#ifdef ORIGINAL_ISC_CODE
RET(*ppr);
-#else
- RET(*ppr)
-#endif
}
/* compare the data using routine passed by caller.
@@ -226,7 +215,7 @@ sprout(tree **ppr, tree_t p_data, int *pi_balance,
MSG("LESS. sprouting left.")
sub = sprout(&(*ppr)->left, p_data, pi_balance,
pfi_compare, pfv_delete);
- if (sub && *pi_balance) { /* left branch has grown */
+ if (sub && *pi_balance) { /*%< left branch has grown */
MSG("LESS: left branch has grown")
switch ((*ppr)->bal) {
case 1:
@@ -244,13 +233,13 @@ sprout(tree **ppr, tree_t p_data, int *pi_balance,
/* left branch was already too long. rebal */
MSG("LESS: case -1: rebalancing")
p1 = (*ppr)->left;
- if (p1->bal == -1) { /* LL */
+ if (p1->bal == -1) { /*%< LL */
MSG("LESS: single LL")
(*ppr)->left = p1->right;
p1->right = *ppr;
(*ppr)->bal = 0;
*ppr = p1;
- } else { /* double LR */
+ } else { /*%< double LR */
MSG("LESS: double LR")
p2 = p1->right;
@@ -300,13 +289,13 @@ sprout(tree **ppr, tree_t p_data, int *pi_balance,
case 1:
MSG("MORE: balance was off, need to rebalance")
p1 = (*ppr)->right;
- if (p1->bal == 1) { /* RR */
+ if (p1->bal == 1) { /*%< RR */
MSG("MORE: single RR")
(*ppr)->right = p1->left;
p1->left = *ppr;
(*ppr)->bal = 0;
*ppr = p1;
- } else { /* double RL */
+ } else { /*%< double RL */
MSG("MORE: double RL")
p2 = p1->left;
@@ -541,3 +530,5 @@ bal_R(tree **ppr_p, int *pi_balance) {
}
RETV
}
+
+/*! \file */