1*0a6a1f1dSLionel Sambuc.\" $NetBSD: dwarf_seterrarg.3,v 1.2 2014/03/09 16:58:04 christos Exp $ 2*0a6a1f1dSLionel Sambuc.\" 3*0a6a1f1dSLionel Sambuc.\" Copyright (c) 2010 Joseph Koshy. All rights reserved. 4*0a6a1f1dSLionel Sambuc.\" 5*0a6a1f1dSLionel Sambuc.\" Redistribution and use in source and binary forms, with or without 6*0a6a1f1dSLionel Sambuc.\" modification, are permitted provided that the following conditions 7*0a6a1f1dSLionel Sambuc.\" are met: 8*0a6a1f1dSLionel Sambuc.\" 1. Redistributions of source code must retain the above copyright 9*0a6a1f1dSLionel Sambuc.\" notice, this list of conditions and the following disclaimer. 10*0a6a1f1dSLionel Sambuc.\" 2. Redistributions in binary form must reproduce the above copyright 11*0a6a1f1dSLionel Sambuc.\" notice, this list of conditions and the following disclaimer in the 12*0a6a1f1dSLionel Sambuc.\" documentation and/or other materials provided with the distribution. 13*0a6a1f1dSLionel Sambuc.\" 14*0a6a1f1dSLionel Sambuc.\" This software is provided by Joseph Koshy ``as is'' and 15*0a6a1f1dSLionel Sambuc.\" any express or implied warranties, including, but not limited to, the 16*0a6a1f1dSLionel Sambuc.\" implied warranties of merchantability and fitness for a particular purpose 17*0a6a1f1dSLionel Sambuc.\" are disclaimed. in no event shall Joseph Koshy be liable 18*0a6a1f1dSLionel Sambuc.\" for any direct, indirect, incidental, special, exemplary, or consequential 19*0a6a1f1dSLionel Sambuc.\" damages (including, but not limited to, procurement of substitute goods 20*0a6a1f1dSLionel Sambuc.\" or services; loss of use, data, or profits; or business interruption) 21*0a6a1f1dSLionel Sambuc.\" however caused and on any theory of liability, whether in contract, strict 22*0a6a1f1dSLionel Sambuc.\" liability, or tort (including negligence or otherwise) arising in any way 23*0a6a1f1dSLionel Sambuc.\" out of the use of this software, even if advised of the possibility of 24*0a6a1f1dSLionel Sambuc.\" such damage. 25*0a6a1f1dSLionel Sambuc.\" 26*0a6a1f1dSLionel Sambuc.\" Id: dwarf_seterrarg.3 2075 2011-10-27 03:47:28Z jkoshy 27*0a6a1f1dSLionel Sambuc.\" 28*0a6a1f1dSLionel Sambuc.Dd May 01, 2010 29*0a6a1f1dSLionel Sambuc.Os 30*0a6a1f1dSLionel Sambuc.Dt DWARF_SETERRARG 3 31*0a6a1f1dSLionel Sambuc.Sh NAME 32*0a6a1f1dSLionel Sambuc.Nm dwarf_seterrarg , 33*0a6a1f1dSLionel Sambuc.Nm dwarf_seterrhand 34*0a6a1f1dSLionel Sambuc.Nd configure error handling 35*0a6a1f1dSLionel Sambuc.Sh LIBRARY 36*0a6a1f1dSLionel Sambuc.Lb libdwarf 37*0a6a1f1dSLionel Sambuc.Sh SYNOPSIS 38*0a6a1f1dSLionel Sambuc.In libdwarf.h 39*0a6a1f1dSLionel Sambuc.Ft Dwarf_Ptr 40*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrarg "Dwarf_Debug dbg" "Dwarf_Ptr arg" 41*0a6a1f1dSLionel Sambuc.Ft Dwarf_Handler 42*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrhand "Dwarf_Debug dbg" "Dwarf_Handler handler" 43*0a6a1f1dSLionel Sambuc.Sh DESCRIPTION 44*0a6a1f1dSLionel SambucThese functions may be used by applications to configure error handling 45*0a6a1f1dSLionel Sambuccallbacks. 46*0a6a1f1dSLionel SambucThe error handling scheme used by the library is described in 47*0a6a1f1dSLionel Sambuc.Xr dwarf 3 . 48*0a6a1f1dSLionel Sambuc.Pp 49*0a6a1f1dSLionel SambucFunction 50*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrarg 51*0a6a1f1dSLionel Sambucmay be used to set the callback argument passed to a configured 52*0a6a1f1dSLionel Sambucerror handler at the time it is invoked. 53*0a6a1f1dSLionel SambucArgument 54*0a6a1f1dSLionel Sambuc.Ar arg 55*0a6a1f1dSLionel Sambucis the callback argument being set. 56*0a6a1f1dSLionel SambucArgument 57*0a6a1f1dSLionel Sambuc.Ar dbg 58*0a6a1f1dSLionel Sambuccan be a debug context allocated by a prior call to 59*0a6a1f1dSLionel Sambuc.Xr dwarf_init 3 , 60*0a6a1f1dSLionel Sambucor can be NULL to indicate that the library-wide callback argument 61*0a6a1f1dSLionel Sambucis to be set. 62*0a6a1f1dSLionel Sambuc.Pp 63*0a6a1f1dSLionel SambucFunction 64*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrhand 65*0a6a1f1dSLionel Sambucmay be used to associate an error handler denoted by argument 66*0a6a1f1dSLionel Sambuc.Ar handler 67*0a6a1f1dSLionel Sambucwith the DWARF debug context descriptor denoted by argument 68*0a6a1f1dSLionel Sambuc.Ar dbg . 69*0a6a1f1dSLionel SambucArgument 70*0a6a1f1dSLionel Sambuc.Ar dbg 71*0a6a1f1dSLionel Sambucshould be a debug context allocated by a prior call to 72*0a6a1f1dSLionel Sambuc.Xr dwarf_init 3 , 73*0a6a1f1dSLionel Sambucor may be NULL to indicate that the library-wide error handler 74*0a6a1f1dSLionel Sambucis to be set. 75*0a6a1f1dSLionel Sambuc.Sh RETURN VALUES 76*0a6a1f1dSLionel SambucFunction 77*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrhand 78*0a6a1f1dSLionel Sambucreturns the previous error handler associated with argument 79*0a6a1f1dSLionel Sambuc.Ar dbg . 80*0a6a1f1dSLionel SambucIf argument 81*0a6a1f1dSLionel Sambuc.Ar dbg 82*0a6a1f1dSLionel Sambucis NULL, function 83*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrhand 84*0a6a1f1dSLionel Sambucreturns the previous library-wide error handler. 85*0a6a1f1dSLionel Sambuc.Pp 86*0a6a1f1dSLionel SambucFunction 87*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrarg 88*0a6a1f1dSLionel Sambucreturns the previous callback argument associated with argument 89*0a6a1f1dSLionel Sambuc.Ar dbg . 90*0a6a1f1dSLionel SambucIf argument 91*0a6a1f1dSLionel Sambuc.Ar dbg 92*0a6a1f1dSLionel Sambucis NULL, function 93*0a6a1f1dSLionel Sambuc.Fn dwarf_seterrarg 94*0a6a1f1dSLionel Sambucreturns the previous library-wide callback argument. 95*0a6a1f1dSLionel Sambuc.Pp 96*0a6a1f1dSLionel Sambuc.Sh COMPATIBILITY 97*0a6a1f1dSLionel SambucThe behavior of these functions when argument 98*0a6a1f1dSLionel Sambuc.Ar dbg 99*0a6a1f1dSLionel Sambucis NULL is a local extension. 100*0a6a1f1dSLionel Sambuc.Sh ERRORS 101*0a6a1f1dSLionel SambucThese functions do not set an error code. 102*0a6a1f1dSLionel Sambuc.Sh SEE ALSO 103*0a6a1f1dSLionel Sambuc.Xr dwarf 3 , 104*0a6a1f1dSLionel Sambuc.Xr dwarf_init 3 105