xref: /freebsd/lib/libc/tests/gen/getmntinfo_test.c (revision 559a218c9b257775fb249b67945fe4a05b7a6b9f)
1*5a28df2eSConrad Meyer /*-
2*5a28df2eSConrad Meyer  * Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
3*5a28df2eSConrad Meyer  * All rights reserved.
4*5a28df2eSConrad Meyer  *
5*5a28df2eSConrad Meyer  * Redistribution and use in source and binary forms, with or without
6*5a28df2eSConrad Meyer  * modification, are permitted provided that the following conditions
7*5a28df2eSConrad Meyer  * are met:
8*5a28df2eSConrad Meyer  * 1. Redistributions of source code must retain the above copyright
9*5a28df2eSConrad Meyer  *    notice, this list of conditions and the following disclaimer.
10*5a28df2eSConrad Meyer  * 2. Redistributions in binary form must reproduce the above copyright
11*5a28df2eSConrad Meyer  *    notice, this list of conditions and the following disclaimer in the
12*5a28df2eSConrad Meyer  *    documentation and/or other materials provided with the distribution.
13*5a28df2eSConrad Meyer  *
14*5a28df2eSConrad Meyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*5a28df2eSConrad Meyer  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*5a28df2eSConrad Meyer  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*5a28df2eSConrad Meyer  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*5a28df2eSConrad Meyer  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*5a28df2eSConrad Meyer  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*5a28df2eSConrad Meyer  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*5a28df2eSConrad Meyer  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*5a28df2eSConrad Meyer  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*5a28df2eSConrad Meyer  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*5a28df2eSConrad Meyer  * SUCH DAMAGE.
25*5a28df2eSConrad Meyer  */
26*5a28df2eSConrad Meyer 
27*5a28df2eSConrad Meyer /*
28*5a28df2eSConrad Meyer  * Limited test program for getmntinfo(3), a non-standard BSDism.
29*5a28df2eSConrad Meyer  */
30*5a28df2eSConrad Meyer 
31*5a28df2eSConrad Meyer #include <sys/param.h>
32*5a28df2eSConrad Meyer #include <sys/mount.h>
33*5a28df2eSConrad Meyer #include <sys/ucred.h>
34*5a28df2eSConrad Meyer 
35*5a28df2eSConrad Meyer #include <errno.h>
36*5a28df2eSConrad Meyer 
37*5a28df2eSConrad Meyer #include <atf-c.h>
38*5a28df2eSConrad Meyer 
39*5a28df2eSConrad Meyer static void
check_mntinfo(struct statfs * mntinfo,int n)40*5a28df2eSConrad Meyer check_mntinfo(struct statfs *mntinfo, int n)
41*5a28df2eSConrad Meyer {
42*5a28df2eSConrad Meyer 	int i;
43*5a28df2eSConrad Meyer 
44*5a28df2eSConrad Meyer 	for (i = 0; i < n; i++) {
45*5a28df2eSConrad Meyer 		ATF_REQUIRE_MSG(mntinfo[i].f_version == STATFS_VERSION, "%ju",
46*5a28df2eSConrad Meyer 		    (uintmax_t)mntinfo[i].f_version);
47*5a28df2eSConrad Meyer 		ATF_REQUIRE(mntinfo[i].f_namemax <= sizeof(mntinfo[0].f_mntonname));
48*5a28df2eSConrad Meyer 	}
49*5a28df2eSConrad Meyer }
50*5a28df2eSConrad Meyer 
51*5a28df2eSConrad Meyer ATF_TC_WITHOUT_HEAD(getmntinfo_test);
ATF_TC_BODY(getmntinfo_test,tc)52*5a28df2eSConrad Meyer ATF_TC_BODY(getmntinfo_test, tc)
53*5a28df2eSConrad Meyer {
54*5a28df2eSConrad Meyer 	int nmnts;
55*5a28df2eSConrad Meyer 	struct statfs *mntinfo;
56*5a28df2eSConrad Meyer 
57*5a28df2eSConrad Meyer 	/* Test bogus mode */
58*5a28df2eSConrad Meyer 	nmnts = getmntinfo(&mntinfo, 199);
59*5a28df2eSConrad Meyer 	ATF_REQUIRE_MSG(nmnts == 0 && errno == EINVAL,
60*5a28df2eSConrad Meyer 	    "getmntinfo() succeeded; errno=%d", errno);
61*5a28df2eSConrad Meyer 
62*5a28df2eSConrad Meyer 	/* Valid modes */
63*5a28df2eSConrad Meyer 	nmnts = getmntinfo(&mntinfo, MNT_NOWAIT);
64*5a28df2eSConrad Meyer 	ATF_REQUIRE_MSG(nmnts != 0, "getmntinfo(MNT_NOWAIT) failed; errno=%d",
65*5a28df2eSConrad Meyer 	    errno);
66*5a28df2eSConrad Meyer 
67*5a28df2eSConrad Meyer 	check_mntinfo(mntinfo, nmnts);
68*5a28df2eSConrad Meyer 	memset(mntinfo, 0xdf, sizeof(*mntinfo) * nmnts);
69*5a28df2eSConrad Meyer 
70*5a28df2eSConrad Meyer 	nmnts = getmntinfo(&mntinfo, MNT_WAIT);
71*5a28df2eSConrad Meyer 	ATF_REQUIRE_MSG(nmnts != 0, "getmntinfo(MNT_WAIT) failed; errno=%d",
72*5a28df2eSConrad Meyer 	    errno);
73*5a28df2eSConrad Meyer 
74*5a28df2eSConrad Meyer 	check_mntinfo(mntinfo, nmnts);
75*5a28df2eSConrad Meyer }
76*5a28df2eSConrad Meyer 
ATF_TP_ADD_TCS(tp)77*5a28df2eSConrad Meyer ATF_TP_ADD_TCS(tp)
78*5a28df2eSConrad Meyer {
79*5a28df2eSConrad Meyer 
80*5a28df2eSConrad Meyer 	ATF_TP_ADD_TC(tp, getmntinfo_test);
81*5a28df2eSConrad Meyer 
82*5a28df2eSConrad Meyer 	return (atf_no_error());
83*5a28df2eSConrad Meyer }
84