xref: /trueos/lib/libelf/elf_errno.c (revision 62913629e64cdad23072cfd4ad8340f4c0b91ec5)
1 /*-
2  * Copyright (c) 2006 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 <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <libelf.h>
31 
32 #include "_libelf.h"
33 
34 int
elf_errno(void)35 elf_errno(void)
36 {
37 	int old;
38 
39 	old = LIBELF_PRIVATE(error);
40 	LIBELF_PRIVATE(error) = 0;
41 	return (old & LIBELF_ELF_ERROR_MASK);
42 }
43 
44 #if	defined(LIBELF_TEST_HOOKS)
45 
46 int
_libelf_get_max_error(void)47 _libelf_get_max_error(void)
48 {
49 	return ELF_E_NUM;
50 }
51 
52 void
_libelf_set_error(int error)53 _libelf_set_error(int error)
54 {
55 	LIBELF_PRIVATE(error) = error;
56 }
57 
58 #endif	/* LIBELF_TEST_HOOKS */
59