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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2023 Bill Sommerfeld <sommerfeld@alum.mit.edu>
*/
/*
* Test for closefrom(). Test cases were inspired by xapian's
* test_closefrom1() and are somewhat incomplete (we don't test
* what happens when /proc/self/fd isn't available).
*/
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/debug.h>
int
main(void)
{
closefrom(INT_MAX); /* should be a no-op */
VERIFY3S(dup2(1, 10), ==, 10);
VERIFY3S(dup2(1, 11), ==, 11);
VERIFY3S(dup2(1, 15), ==, 15);
closefrom(11);
VERIFY3S(close(10), ==, 0);
VERIFY3S(close(11), ==, -1);
VERIFY3S(errno, ==, EBADF);
VERIFY3S(close(15), ==, -1);
VERIFY3S(errno, ==, EBADF);
exit(0);
}
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