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#include <stdio.h>
#include <string.h>
#include <unistd.h>
static int
do_test (void)
{
int fd = dup (fileno (stdout));
if (fd <= 1)
{
puts ("dup failed");
return 1;
}
FILE *f1 = fdopen (fd, "w");
if (f1 == NULL)
{
printf ("fdopen failed: %m\n");
return 1;
}
fclose (stdout);
FILE *f2 = popen ("echo test1", "r");
if (f2 == NULL)
{
fprintf (f1, "1st popen failed: %m\n");
return 1;
}
FILE *f3 = popen ("echo test2", "r");
if (f2 == NULL || f3 == NULL)
{
fprintf (f1, "2nd popen failed: %m\n");
return 1;
}
char *line = NULL;
size_t len = 0;
int result = 0;
if (getline (&line, &len, f2) != 6)
{
fputs ("could not read line from 1st popen\n", f1);
result = 1;
}
else if (strcmp (line, "test1\n") != 0)
{
fprintf (f1, "read \"%s\"\n", line);
result = 1;
}
if (getline (&line, &len, f2) != -1)
{
fputs ("second getline did not return -1\n", f1);
result = 1;
}
if (getline (&line, &len, f3) != 6)
{
fputs ("could not read line from 2nd popen\n", f1);
result = 1;
}
else if (strcmp (line, "test2\n") != 0)
{
fprintf (f1, "read \"%s\"\n", line);
result = 1;
}
if (getline (&line, &len, f3) != -1)
{
fputs ("second getline did not return -1\n", f1);
result = 1;
}
int ret = pclose (f2);
if (ret != 0)
{
fprintf (f1, "1st pclose returned %d\n", ret);
result = 1;
}
ret = pclose (f3);
if (ret != 0)
{
fprintf (f1, "2nd pclose returned %d\n", ret);
result = 1;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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