88 lines
3.6 KiB
C
88 lines
3.6 KiB
C
/* Get string.
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Copyright (C) 2004 Red Hat, Inc.
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This file is part of Red Hat elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2004.
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Red Hat elfutils is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by the
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Free Software Foundation; version 2 of the License.
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Red Hat elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with Red Hat elfutils; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
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In addition, as a special exception, Red Hat, Inc. gives You the
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additional right to link the code of Red Hat elfutils with code licensed
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under any Open Source Initiative certified open source license
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(http://www.opensource.org/licenses/index.php) which requires the
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distribution of source code with any binary distribution and to
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distribute linked combinations of the two. Non-GPL Code permitted under
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this exception must only link to the code of Red Hat elfutils through
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those well defined interfaces identified in the file named EXCEPTION
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found in the source code files (the "Approved Interfaces"). The files
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of Non-GPL Code may instantiate templates or use macros or inline
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functions from the Approved Interfaces without causing the resulting
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work to be covered by the GNU General Public License. Only Red Hat,
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Inc. may make changes or additions to the list of Approved Interfaces.
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Red Hat's grant of this exception is conditioned upon your not adding
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any new exceptions. If you wish to add a new Approved Interface or
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exception, please contact Red Hat. You must obey the GNU General Public
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License in all respects for all of the Red Hat elfutils code and other
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code used in conjunction with Red Hat elfutils except the Non-GPL Code
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covered by this exception. If you modify this file, you may extend this
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exception to your version of the file, but you are not obligated to do
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so. If you do not wish to provide this exception without modification,
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you must delete this exception statement from your version and license
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this file solely under the GPL without exception.
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Red Hat elfutils is an included package of the Open Invention Network.
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An included package of the Open Invention Network is a package for which
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Open Invention Network licensees cross-license their patents. No patent
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license is granted, either expressly or impliedly, by designation as an
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included package. Should you wish to participate in the Open Invention
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Network licensing program, please visit www.openinventionnetwork.com
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<http://www.openinventionnetwork.com>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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#include "libdwP.h"
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const char *
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dwarf_getstring (dbg, offset, lenp)
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Dwarf *dbg;
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Dwarf_Off offset;
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size_t *lenp;
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{
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if (dbg == NULL)
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return NULL;
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if (dbg->sectiondata[IDX_debug_str] == NULL
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|| offset >= dbg->sectiondata[IDX_debug_str]->d_size)
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{
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no_string:
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__libdw_seterrno (DWARF_E_NO_STRING);
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return NULL;
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}
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const char *result = ((const char *) dbg->sectiondata[IDX_debug_str]->d_buf
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+ offset);
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const char *endp = memchr (result, '\0',
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dbg->sectiondata[IDX_debug_str]->d_size - offset);
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if (endp == NULL)
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goto no_string;
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if (lenp != NULL)
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*lenp = endp - result;
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return result;
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}
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