1/*-
2 * Copyright (c) 2011 Joseph Koshy
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <libelf.h>
28
29#include "_libelf.h"
30
31ELFTC_VCSID("$Id$");
32
33/*
34 * Extension API: open a file for reading, ignoring parse errors.
35 */
36
37Elf *
38elf_open(int fd)
39{
40	if (LIBELF_PRIVATE(version) == EV_NONE) {
41		LIBELF_SET_ERROR(SEQUENCE, 0);
42		return (NULL);
43	}
44
45	return (_libelf_open_object(fd, ELF_C_READ, 0));
46}
47
48/*
49 * Extension API: create an ELF descriptor for an in-memory object,
50 * ignoring parse errors.
51 */
52
53Elf *
54elf_openmemory(char *image, size_t sz)
55{
56	if (LIBELF_PRIVATE(version) == EV_NONE) {
57		LIBELF_SET_ERROR(SEQUENCE, 0);
58		return (NULL);
59	}
60
61	if (image == NULL || sz == 0) {
62		LIBELF_SET_ERROR(ARGUMENT, 0);
63		return (NULL);
64	}
65
66	return (_libelf_memory((unsigned char *) image, sz, 0));
67}
68