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
|
/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <string.h>
#include <wchar.h>
static int
do_test (void)
{
FILE *f = popen ("echo test", "r");
int result = 0, ret;
char *line = NULL;
size_t len = 0;
if (f == NULL)
{
printf ("popen failed %m");
return 1;
}
/* POSIX says that pipe streams are byte-oriented. */
if (fwide (f, 0) >= 0)
{
puts ("popen did not return byte-oriented stream");
result = 1;
}
if (getline (&line, &len, f) != 5)
{
puts ("could not read line from popen");
result = 1;
}
else if (strcmp (line, "test\n") != 0)
{
printf ("read \"%s\"\n", line);
result = 1;
}
if (getline (&line, &len, f) != -1)
{
puts ("second getline did not return -1");
result = 1;
}
ret = pclose (f);
if (ret != 0)
{
printf ("pclose returned %d\n", ret);
result = 1;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
