equal
deleted
inserted
replaced
|
1 /* |
|
2 hash.c - implementation of the elf_hash(3) function. |
|
3 Copyright (C) 1995 - 2002 Michael Riepe |
|
4 |
|
5 This library is free software; you can redistribute it and/or |
|
6 modify it under the terms of the GNU Library General Public |
|
7 License as published by the Free Software Foundation; either |
|
8 version 2 of the License, or (at your option) any later version. |
|
9 |
|
10 This library is distributed in the hope that it will be useful, |
|
11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 Library General Public License for more details. |
|
14 |
|
15 You should have received a copy of the GNU Library General Public |
|
16 License along with this library; if not, write to the Free Software |
|
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
18 */ |
|
19 |
|
20 #include <private.h> |
|
21 |
|
22 #ifndef lint |
|
23 static const char rcsid[] = "@(#) $Id: hash.c,v 1.9 2005/05/21 15:39:23 michael Exp $"; |
|
24 #endif /* lint */ |
|
25 |
|
26 unsigned long |
|
27 elf_hash(const unsigned char *name) { |
|
28 unsigned long hash = 0; |
|
29 unsigned long tmp; |
|
30 |
|
31 while (*name) { |
|
32 hash = (hash << 4) + (unsigned char)*name++; |
|
33 if ((tmp = hash & 0xf0000000)) { |
|
34 hash ^= tmp | (tmp >> 24); |
|
35 } |
|
36 } |
|
37 return hash; |
|
38 } |