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/* Copyright (C) 2004-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://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"
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