xref: /netbsd-src/external/bsd/elftoolchain/dist/libelf/gelf_checksum.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: gelf_checksum.c,v 1.3 2016/02/20 02:43:42 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2006,2008 Joseph Koshy
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <gelf.h>
30 #include <libelf.h>
31 
32 #include "_libelf.h"
33 
34 __RCSID("$NetBSD: gelf_checksum.c,v 1.3 2016/02/20 02:43:42 christos Exp $");
35 ELFTC_VCSID("Id: gelf_checksum.c 3174 2015-03-27 17:13:41Z emaste ");
36 
37 long
38 elf32_checksum(Elf *e)
39 {
40 	return (_libelf_checksum(e, ELFCLASS32));
41 }
42 
43 long
44 elf64_checksum(Elf *e)
45 {
46 	return (_libelf_checksum(e, ELFCLASS64));
47 }
48 
49 long
50 gelf_checksum(Elf *e)
51 {
52 	int ec;
53 	if (e == NULL ||
54 	    ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
55 		LIBELF_SET_ERROR(ARGUMENT, 0);
56 		return (0L);
57 	}
58 	return (_libelf_checksum(e, ec));
59 }
60