1260684Skaiw/*- 2260684Skaiw * Copyright (c) 2009 Kai Wang 3260684Skaiw * All rights reserved. 4260684Skaiw * 5260684Skaiw * Redistribution and use in source and binary forms, with or without 6260684Skaiw * modification, are permitted provided that the following conditions 7260684Skaiw * are met: 8260684Skaiw * 1. Redistributions of source code must retain the above copyright 9260684Skaiw * notice, this list of conditions and the following disclaimer. 10260684Skaiw * 2. Redistributions in binary form must reproduce the above copyright 11260684Skaiw * notice, this list of conditions and the following disclaimer in the 12260684Skaiw * documentation and/or other materials provided with the distribution. 13260684Skaiw * 14260684Skaiw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15260684Skaiw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16260684Skaiw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17260684Skaiw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18260684Skaiw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19260684Skaiw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20260684Skaiw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21260684Skaiw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22260684Skaiw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23260684Skaiw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24260684Skaiw * SUCH DAMAGE. 25260684Skaiw */ 26260684Skaiw 27260684Skaiw#include "_libdwarf.h" 28260684Skaiw 29295577SemasteELFTC_VCSID("$Id: dwarf_str.c 3295 2016-01-08 22:08:10Z jkoshy $"); 30260684Skaiw 31260684Skaiwint 32260684Skaiwdwarf_get_str(Dwarf_Debug dbg, Dwarf_Off offset, char **string, 33260684Skaiw Dwarf_Signed *ret_strlen, Dwarf_Error *error) 34260684Skaiw{ 35260684Skaiw Dwarf_Section *ds; 36260684Skaiw 37295577Semaste if (dbg == NULL || string == NULL || ret_strlen == NULL) { 38260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 39260684Skaiw return (DW_DLV_ERROR); 40260684Skaiw } 41260684Skaiw 42260684Skaiw ds = _dwarf_find_section(dbg, ".debug_str"); 43260684Skaiw if (ds == NULL) { 44260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); 45260684Skaiw return (DW_DLV_NO_ENTRY); 46260684Skaiw } 47260684Skaiw 48295577Semaste if (offset > ds->ds_size) { 49260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 50260684Skaiw return (DW_DLV_ERROR); 51260684Skaiw } 52260684Skaiw 53295577Semaste if (offset == ds->ds_size) { 54260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); 55260684Skaiw return (DW_DLV_NO_ENTRY); 56260684Skaiw } 57260684Skaiw 58260684Skaiw *string = (char *) ds->ds_data + offset; 59260684Skaiw *ret_strlen = strlen(*string); 60260684Skaiw 61260684Skaiw return (DW_DLV_OK); 62260684Skaiw} 63