summary refs log tree commit diff
path: root/libio/tst-popen1.c
blob: 9f36b200908a09b4f34c915b9c8a7b212f53d9e7 (plain) (blame)
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
#include <fcntl.h>
#include <stdio.h>

static int
do_test (void)
{
  int res = 0;

  FILE *fp = popen ("echo hello", "r");
  if (fp == NULL)
    {
      puts ("first popen failed");
      res = 1;
    }
  else
    {
      int fd = fileno (fp);
      if (fcntl (fd, F_GETFD) == FD_CLOEXEC)
	{
	  puts ("first popen(\"r\") set FD_CLOEXEC");
	  res = 1;
	}

      pclose (fp);
    }

  fp = popen ("echo hello", "re");
  if (fp == NULL)
    {
      puts ("second popen failed");
      res = 1;
    }
  else
    {
      int fd = fileno (fp);
      if (fcntl (fd, F_GETFD) != FD_CLOEXEC)
	{
	  puts ("second popen(\"r\") did not set FD_CLOEXEC");
	  res = 1;
	}

      pclose (fp);
    }

  return res;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"