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-rw-r--r--libdwarf/dwarf_string.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/libdwarf/dwarf_string.c b/libdwarf/dwarf_string.c
new file mode 100644
index 0000000..c73bc0a
--- /dev/null
+++ b/libdwarf/dwarf_string.c
@@ -0,0 +1,83 @@
+/*
+
+ Copyright (C) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ Portions Copyright (C) 2009-2011 David Anderson. All Rights Reserved.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of version 2.1 of the GNU Lesser General Public License
+ as published by the Free Software Foundation.
+
+ This program is distributed in the hope that it would be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ Further, this software is distributed without any warranty that it is
+ free of the rightful claim of any third person regarding infringement
+ or the like. Any license provided herein, whether implied or
+ otherwise, applies only to this software file. Patent licenses, if
+ any, provided herein do not apply to combinations of this program with
+ other software, or any other product whatsoever.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this program; if not, write the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
+ USA.
+
+ Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
+ Mountain View, CA 94043, or:
+
+ http://www.sgi.com
+
+ For further information regarding this notice, see:
+
+ http://oss.sgi.com/projects/GenInfo/NoticeExplan
+
+*/
+
+
+
+#include "config.h"
+#include "dwarf_incl.h"
+
+int
+dwarf_get_str(Dwarf_Debug dbg,
+ Dwarf_Off offset,
+ char **string,
+ Dwarf_Signed * returned_str_len, Dwarf_Error * error)
+{
+ int res = DW_DLV_ERROR;
+
+ if (dbg == NULL) {
+ _dwarf_error(NULL, error, DW_DLE_DBG_NULL);
+ return (DW_DLV_ERROR);
+ }
+
+ if (offset == dbg->de_debug_str.dss_size) {
+ /* Normal (if we've iterated thru the set of strings using
+ dwarf_get_str and are at the end). */
+ return DW_DLV_NO_ENTRY;
+ }
+ if (offset > dbg->de_debug_str.dss_size) {
+ _dwarf_error(dbg, error, DW_DLE_DEBUG_STR_OFFSET_BAD);
+ return (DW_DLV_ERROR);
+ }
+
+ if (string == NULL) {
+ _dwarf_error(dbg, error, DW_DLE_STRING_PTR_NULL);
+ return (DW_DLV_ERROR);
+ }
+
+ res = _dwarf_load_section(dbg, &dbg->de_debug_str,error);
+ if (res != DW_DLV_OK) {
+ return res;
+ }
+ if (!dbg->de_debug_str.dss_size) {
+ return (DW_DLV_NO_ENTRY);
+ }
+
+
+ *string = (char *) dbg->de_debug_str.dss_data + offset;
+
+ *returned_str_len = (strlen(*string));
+ return DW_DLV_OK;
+}