xref: /trueos/lib/libdwarf/dwarf_form.c (revision 165851adb536053ee0b5bb3ccd3e4492ce4a48a3)
1 /*-
2  * Copyright (c) 2007 John Birrell (jb@freebsd.org)
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  * $FreeBSD$
27  */
28 
29 #include "_libdwarf.h"
30 
31 int
dwarf_whatform(Dwarf_Attribute at,Dwarf_Half * return_form,Dwarf_Error * err)32 dwarf_whatform(Dwarf_Attribute at, Dwarf_Half *return_form, Dwarf_Error *err)
33 {
34 	int ret = DWARF_E_NONE;
35 
36 	if (err == NULL)
37 		return DWARF_E_ERROR;
38 
39 	if (at == NULL || return_form == NULL) {
40 		DWARF_SET_ERROR(err, DWARF_E_ARGUMENT);
41 		return DWARF_E_ARGUMENT;
42 	}
43 
44 	*return_form = at->at_form;
45 
46 	return ret;
47 }
48