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#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <grp.h>
#include <error.h>
#include <errno.h>

int
test_chmod ()
{
	const char *filename = "test_chmod";
	struct stat st;
	int     fd;
	int     rc = 0;

	unlink (filename);

	fd = open (filename, O_CREAT | O_EXCL, 0600);
	if (fd < 0)
		error (1, errno, "open");

	chmod (filename, 0667);

	if (stat (filename, &st))
		error (1, errno, "stat");
	if ((st.st_mode & (~S_IFMT)) == 0667)
	{
		puts ("chmod: mode changed");
	} else
	{
		puts ("chmod: mode NOT changed");
			rc = 1;
	}

	fchmod (fd, 0665);

	if (stat (filename, &st))
		error (1, errno, "stat");
	if ((st.st_mode & (~S_IFMT)) == 0665)
	{
		puts ("fchmod: mode changed");
	} else
	{
		puts ("fchmod: mode NOT changed");
		rc = 1;
	}

	close (fd);

	return rc;
}

void
test_chown ()
{
	const char *filename = "test_chown";
	int     fd;
	int     rc = 0;

	unlink (filename);

	fd = open (filename, O_CREAT | O_EXCL, 0600);
	if (fd < 0)
		error (1, errno, "open");

	/* test for segfaults only */
	rc = chown (filename, -1, -1);
	if (rc)
		error (1, errno, "chown");

	rc = lchown (filename, -1, -1);
	if (rc)
		error (1, errno, "lchown");

	rc = fchown (fd, -1, -1);
	if (rc)
		error (1, errno, "fchown");
}

int
main ()
{
	int     rc = 0;

	rc = test_chmod ();
	test_chown ();
	return rc;
}