external/bsd/libdwarf/dist/dwarf_form.c

   1 /*      $NetBSD$        */
   2
   3 /*-
   4  * Copyright (c) 2007 John Birrell (jb@freebsd.org)
   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  * $FreeBSD: src/lib/libdwarf/dwarf_form.c,v 1.1.4.1 2009/08/03 08:13:06 kensmith Exp $
  29  */
  30
  31 #include "_libdwarf.h"
  32
  33 int
  34 dwarf_whatform(Dwarf_Attribute at, Dwarf_Half *return_form, Dwarf_Error *err)
  35 {
  36         int ret = DWARF_E_NONE;
  37
  38         if (err == NULL)
  39                 return DWARF_E_ERROR;
  40
  41         if (at == NULL || return_form == NULL) {
  42                 DWARF_SET_ERROR(err, DWARF_E_ARGUMENT);
  43                 return DWARF_E_ARGUMENT;
  44         }
  45
  46         *return_form = at->at_form;
  47
  48         return ret;
  49 }