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Test that reading a CTLTYPE_INT sysctl variable into a buffer that is

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too small returns ENOMEM, and that reading it into a buffer that is
large enough returns the expected sizeof(int) bytes of data.
This commit is contained in:
gson 2014-08-09 07:04:03 +00:00
parent 8cf67cc6d5
commit 643acb6d0e
4 changed files with 80 additions and 3 deletions
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3
distrib/sets/lists/debug/mi
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@ -1,4 +1,4 @@
# $NetBSD: mi,v 1.79 2014/08/08 19:54:14 apb Exp $
# $NetBSD: mi,v 1.80 2014/08/09 07:04:03 gson Exp $
./etc/mtree/set.debug comp-sys-root
./usr/lib/i18n/libBIG5_g.a comp-c-debuglib debuglib
@ -1654,6 +1654,7 @@
./usr/libdata/debug/usr/tests/kernel/t_rnd.debug tests-kernel-tests debug,atf,rump
./usr/libdata/debug/usr/tests/kernel/t_sigaction.debug tests-obsolete obsolete
./usr/libdata/debug/usr/tests/kernel/t_subr_prf.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_sysctl.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_sysv.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_time.debug tests-obsolete obsolete
./usr/libdata/debug/usr/tests/kernel/t_ucontext.debug tests-obsolete obsolete

3
distrib/sets/lists/tests/mi
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@ -1,4 +1,4 @@
# $NetBSD: mi,v 1.583 2014/08/07 14:22:13 jmmv Exp $
# $NetBSD: mi,v 1.584 2014/08/09 07:04:03 gson Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@ -2093,6 +2093,7 @@
./usr/tests/kernel/t_rnd tests-kernel-tests atf,rump
./usr/tests/kernel/t_sigaction tests-obsolete obsolete
./usr/tests/kernel/t_subr_prf tests-kernel-tests atf
./usr/tests/kernel/t_sysctl tests-kernel-tests atf
./usr/tests/kernel/t_sysv tests-kernel-tests atf
./usr/tests/kernel/t_time tests-obsolete obsolete
./usr/tests/kernel/t_ucontext tests-obsolete obsolete

3
tests/kernel/Makefile
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.34 2014/06/10 04:28:39 he Exp $
# $NetBSD: Makefile,v 1.35 2014/08/09 07:04:03 gson Exp $
NOMAN= # defined
@ -14,6 +14,7 @@ TESTS_C+= t_mqueue
TESTS_C+= t_sysv
TESTS_C+= t_subr_prf
TESTS_C+= t_kauth_pr_47598
TESTS_C+= t_sysctl
TESTS_SH= t_umount
TESTS_SH+= t_umountstress

74
tests/kernel/t_sysctl.c Normal file
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@ -0,0 +1,74 @@
/* $NetBSD: t_sysctl.c,v 1.1 2014/08/09 07:04:03 gson Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2014\
The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_sysctl.c,v 1.1 2014/08/09 07:04:03 gson Exp $");
#include <sys/sysctl.h>
#include <errno.h>
#include <memory.h>
#include <atf-c.h>
ATF_TC(bufsize);
ATF_TC_HEAD(bufsize, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test sysctl integer reads with different buffer sizes");
}
ATF_TC_BODY(bufsize, tc)
{
union {
int int_val;
unsigned char space[256];
} buf;
size_t len;
for (len = 0; len < sizeof(buf); len++) {
size_t oldlen = len;
int r;
memset(&buf, 0xFF, sizeof(buf));
r = sysctlbyname("kern.job_control", &buf, &oldlen, 0, (size_t) 0);
if (len < sizeof(int)) {
ATF_REQUIRE_EQ(r, -1);
ATF_REQUIRE_EQ(errno, ENOMEM);
} else {
ATF_REQUIRE_EQ(r, 0);
ATF_REQUIRE_EQ(buf.int_val, 1);
ATF_REQUIRE_EQ(oldlen, sizeof(int));
}
}
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, bufsize);
return atf_no_error();
}