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freebsd/contrib/elftoolchain/libdwarf/dwarf_seterror.c

64 lines
2.0 KiB
C

/*-
* 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);
}