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
|
/*
* Copyright © 2012 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <limits.h>
#include "test-runner.h"
static int
parse_count(const char *str, int *value)
{
char *end;
long v;
errno = 0;
v = strtol(str, &end, 10);
if ((errno == ERANGE && (v == LONG_MAX || v == LONG_MIN)) ||
(errno != 0 && v == 0) ||
(end == str) ||
(*end != '\0')) {
return -1;
}
if (v < 0 || v > INT_MAX) {
return -1;
}
*value = v;
return 0;
}
int main(int argc, char *argv[])
{
int expected;
if (argc != 2)
goto help_out;
if (parse_count(argv[1], &expected) < 0)
goto help_out;
if (count_open_fds() == expected)
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
help_out:
fprintf(stderr, "Usage: %s N\n"
"where N is the expected number of open file descriptors.\n"
"This program exits with a failure if the number "
"does not match exactly.\n", argv[0]);
return EXIT_FAILURE;
}
|
