1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE // required to have feenableexcept()
#endif
#include "config.h"
#if defined(USE_UNIX_SIGNAL_HANDLING)
#include "signalhandler.h"
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#if !defined(__APPLE__)
#include <cfenv>
#endif
// static functions are omitted from trace
/*static*/ NORETURN void my_assert() // NOLINT(misc-use-internal-linkage)
{
assert(false);
}
/*static*/ NORETURN void my_abort() // NOLINT(misc-use-internal-linkage)
{
abort();
}
/*static*/ void my_segv() // NOLINT(misc-use-internal-linkage)
{
// cppcheck-suppress nullPointer
++*static_cast<int*>(nullptr); // NOLINT(clang-analyzer-core.NullDereference)
}
#if !defined(__APPLE__)
/*static*/ int my_fpe() // NOLINT(misc-use-internal-linkage)
{
if (feenableexcept(FE_ALL_EXCEPT) == -1)
return 2;
if (std::feraiseexcept(FE_ALL_EXCEPT) != 0)
return 3;
return 1 % -1;
}
#endif
#endif
int main(int argc, const char * const argv[])
{
#if defined(USE_UNIX_SIGNAL_HANDLING)
if (argc != 2)
return 1;
register_signal_handler(stdout);
if (strcmp(argv[1], "assert") == 0)
my_assert();
else if (strcmp(argv[1], "abort") == 0)
my_abort();
else if (strcmp(argv[1], "segv") == 0)
my_segv();
#if !defined(__APPLE__)
else if (strcmp(argv[1], "fpe") == 0)
return my_fpe();
#endif
return 0;
#else
(void)argc;
(void)argv;
return 1;
#endif
}
|
