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📄 Makefile(1.48 KB)
📄 Version.map(296 B)
📄 _libelftc.h(3.33 KB)
📄 elftc.3(2.99 KB)
📄 elftc_bfd_find_target.3(6.83 KB)
📄 elftc_bfdtarget.c(2.18 KB)
📄 elftc_copyfile.3(2.22 KB)
📄 elftc_copyfile.c(2.92 KB)
📄 elftc_demangle.3(3.45 KB)
📄 elftc_demangle.c(2.98 KB)
📄 elftc_reloc_type_str.3(2.36 KB)
📄 elftc_reloc_type_str.c(30.64 KB)
📄 elftc_set_timestamps.3(2.59 KB)
📄 elftc_set_timestamps.c(2.49 KB)
📄 elftc_string_table.c(9.36 KB)
📄 elftc_string_table_create.3(6.7 KB)
📄 elftc_timestamp.3(2.53 KB)
📄 elftc_timestamp.c(1.91 KB)
📄 elftc_version.3(2.75 KB)
📄 libelftc.h(3.67 KB)
📄 libelftc_bfdtarget.c(10.18 KB)
📄 libelftc_dem_arm.c(22.61 KB)
📄 libelftc_dem_gnu2.c(25.97 KB)
📄 libelftc_dem_gnu3.c(86.29 KB)
📄 libelftc_hash.c(2.2 KB)
📄 libelftc_vstr.c(7.33 KB)
📄 make-toolchain-version(2.76 KB)
📄 os.FreeBSD.mk(182 B)
📄 os.Linux.mk(87 B)
📄 os.NetBSD.mk(74 B)

Editing: libelftc_hash.c

/*-
 * Copyright (c) 2013, 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
 *    in this position and unchanged.
 * 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(S) ``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(S) 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.
 */

/*
 * An implementation of the Fowler-Noll-Vo hash function.
 *
 * References:
 * - http://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function
 * - http://www.isthe.com/chongo/tech/comp/fnv/
 */

#include <sys/types.h>

#include <limits.h>

#include "_libelftc.h"

ELFTC_VCSID("$Id: libelftc_hash.c 2870 2013-01-07 10:38:43Z jkoshy $");

/*
 * Use the size of an 'int' to determine the magic numbers used by the
 * hash function.
 */

#if	INT_MAX == 2147483647UL
#define	FNV_PRIME		16777619UL
#define FNV_OFFSET		2166136261UL
#elif	INT_MAX == 18446744073709551615ULL
#define	FNV_PRIME		1099511628211ULL
#define	FNV_OFFSET		14695981039346656037ULL
#else
#error	sizeof(int) is unknown.
#endif

unsigned int
libelftc_hash_string(const char *s)
{
	char c;
	unsigned int hash;

for (hash = FNV_OFFSET; (c = *s) != '\0'; s++) {
		hash ^= c;
		hash *= FNV_PRIME;
	}

return (hash);
}

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Editing: libelftc_hash.c

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