/*- * Copyright (c) 2010 Joseph Koshy * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "_libdwarf.h" ELFTC_VCSID("$Id: dwarf_seterror.c 2075 2011-10-27 03:47:28Z jkoshy $"); #define _SET_FIELD(R, F, V) \ do { \ (R) = (F); \ (F) = (V); \ } while (0) #define SET_FIELD(D, R, F) \ do { \ if (D) \ _SET_FIELD(R, (D)->dbg_##F, F); \ else \ _SET_FIELD(R, _libdwarf.F, F); \ } while (0) Dwarf_Handler dwarf_seterrhand(Dwarf_Debug dbg, Dwarf_Handler errhand) { Dwarf_Handler oldhandler; SET_FIELD(dbg, oldhandler, errhand); return (oldhandler); } Dwarf_Ptr dwarf_seterrarg(Dwarf_Debug dbg, Dwarf_Ptr errarg) { Dwarf_Ptr oldarg; SET_FIELD(dbg, oldarg, errarg); return (oldarg); } |