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61 lines
1.6 KiB
61 lines
1.6 KiB
/* Return one of the sources lines of a CU.
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Copyright (C) 2005 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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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 copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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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 "libdwflP.h"
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Dwfl_Line *
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dwfl_onesrcline (Dwarf_Die *cudie, size_t idx)
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{
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struct dwfl_cu *cu = (struct dwfl_cu *) cudie;
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if (cudie == NULL)
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return NULL;
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if (cu->lines == NULL)
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{
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Dwfl_Error error = __libdwfl_cu_getsrclines (cu);
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if (error != DWFL_E_NOERROR)
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{
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__libdwfl_seterrno (error);
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return NULL;
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}
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}
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if (idx >= cu->die.cu->lines->nlines)
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{
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__libdwfl_seterrno (DWFL_E (LIBDW, DWARF_E_INVALID_LINE_IDX));
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return NULL;
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}
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return &cu->lines->idx[idx];
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}
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