mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-30 12:04:07 +00:00
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*-
|
|
* Copyright (c) 2006 Joseph Koshy
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <libelf.h>
|
|
|
|
/*
|
|
* This elf_hash function is defined by the System V ABI. It must be
|
|
* kept compatible with "src/libexec/rtld-elf/rtld.c".
|
|
*/
|
|
|
|
unsigned long
|
|
elf_hash(const char *name)
|
|
{
|
|
unsigned long h, t;
|
|
const unsigned char *s;
|
|
|
|
s = (const unsigned char *) name;
|
|
h = t = 0;
|
|
|
|
for (; *s != '\0'; h = h & ~t) {
|
|
h = (h << 4) + *s++;
|
|
t = h & 0xF0000000UL;
|
|
if (t)
|
|
h ^= t >> 24;
|
|
}
|
|
|
|
return (h);
|
|
}
|