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