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1 : : /* Return context in line.
2 : : This file is part of elfutils.
3 : : Written by John Mellor-Crummey <johnmc@rice.edu>, 2021.
4 : :
5 : : This file is free software; you can redistribute it and/or modify
6 : : it under the terms of either
7 : :
8 : : * the GNU Lesser General Public License as published by the Free
9 : : Software Foundation; either version 3 of the License, or (at
10 : : your option) any later version
11 : :
12 : : or
13 : :
14 : : * the GNU General Public License as published by the Free
15 : : Software Foundation; either version 2 of the License, or (at
16 : : your option) any later version
17 : :
18 : : or both in parallel, as here.
19 : :
20 : : elfutils is distributed in the hope that it will be useful, but
21 : : WITHOUT ANY WARRANTY; without even the implied warranty of
22 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 : : General Public License for more details.
24 : :
25 : : You should have received copies of the GNU General Public License and
26 : : the GNU Lesser General Public License along with this program. If
27 : : not, see <http://www.gnu.org/licenses/>. */
28 : :
29 : : #ifdef HAVE_CONFIG_H
30 : : # include <config.h>
31 : : #endif
32 : :
33 : : #include "libdwP.h"
34 : :
35 : :
36 : : Dwarf_Line*
37 : 62 : dwarf_linecontext (Dwarf_Lines* lines, Dwarf_Line *line)
38 : : {
39 [ + - ]: 62 : if (lines == NULL || line == NULL)
40 : : return NULL;
41 [ + + + - ]: 62 : if (line->context == 0 || line->context >= lines->nlines)
42 : : return NULL;
43 : :
44 : 26 : return lines->info + (line->context - 1);
45 : : }
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