1 /* 2 3 Copyright (C) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved. 4 5 This program is free software; you can redistribute it and/or modify it 6 under the terms of version 2.1 of the GNU Lesser General Public License 7 as published by the Free Software Foundation. 8 9 This program is distributed in the hope that it would be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 13 Further, this software is distributed without any warranty that it is 14 free of the rightful claim of any third person regarding infringement 15 or the like. Any license provided herein, whether implied or 16 otherwise, applies only to this software file. Patent licenses, if 17 any, provided herein do not apply to combinations of this program with 18 other software, or any other product whatsoever. 19 20 You should have received a copy of the GNU Lesser General Public 21 License along with this program; if not, write the Free Software 22 Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, 23 USA. 24 25 Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pky, 26 Mountain View, CA 94043, or: 27 28 http://www.sgi.com 29 30 For further information regarding this notice, see: 31 32 http://oss.sgi.com/projects/GenInfo/NoticeExplan 33 34 */ 35 36 37 38 #include "config.h" 39 #include "dwarf_incl.h" 40 41 int 42 dwarf_get_str(Dwarf_Debug dbg, 43 Dwarf_Off offset, 44 char **string, 45 Dwarf_Signed * returned_str_len, Dwarf_Error * error) 46 { 47 int res; 48 49 if (dbg == NULL) { 50 _dwarf_error(NULL, error, DW_DLE_DBG_NULL); 51 return (DW_DLV_ERROR); 52 } 53 54 if (offset == dbg->de_debug_str_size) { 55 /* Normal (if we've iterated thru the set of strings 56 using dwarf_get_str and are at the end). */ 57 return DW_DLV_NO_ENTRY; 58 } 59 if (offset > dbg->de_debug_str_size) { 60 _dwarf_error(dbg, error, DW_DLE_DEBUG_STR_OFFSET_BAD); 61 return (DW_DLV_ERROR); 62 } 63 64 if (string == NULL) { 65 _dwarf_error(dbg, error, DW_DLE_STRING_PTR_NULL); 66 return (DW_DLV_ERROR); 67 } 68 69 res = 70 _dwarf_load_section(dbg, 71 dbg->de_debug_str_index, 72 &dbg->de_debug_str, 73 error); 74 if (res != DW_DLV_OK) { 75 return res; 76 } 77 78 *string = (char *) dbg->de_debug_str + offset; 79 80 *returned_str_len = (strlen(*string)); 81 return DW_DLV_OK; 82 } 83