1 /*- 2 * Copyright (c) 2010 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include "_libdwarf.h" 28 29 ELFTC_VCSID("$Id: libdwarf_error.c 2070 2011-10-27 03:05:32Z jkoshy $"); 30 31 void 32 _dwarf_set_error(Dwarf_Debug dbg, Dwarf_Error *error, int errorcode, 33 int elferrorcode, const char *functionname, int linenumber) 34 { 35 Dwarf_Error de; 36 37 de.err_error = errorcode; 38 de.err_elferror = elferrorcode; 39 de.err_func = functionname; 40 de.err_line = linenumber; 41 de.err_msg[0] = '\0'; 42 43 /* 44 * If the user supplied a destination for the error, copy the 45 * error descriptor over and return. Otherwise, if the debug 46 * context is known and has an error handler, invoke that. 47 * Otherwise, if a 'default' error handler was registered, 48 * invoke it. 49 */ 50 if (error) 51 *error = de; 52 else if (dbg && dbg->dbg_errhand) 53 dbg->dbg_errhand(de, dbg->dbg_errarg); 54 else if (_libdwarf.errhand) 55 _libdwarf.errhand(de, _libdwarf.errarg); 56 57 /* No handler found, do nothing. */ 58 } 59