1 /*
2  * Copyright (C) 2011-2013  ProFUSION embedded systems
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <errno.h>
19 #include <inttypes.h>
20 #include <stddef.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <unistd.h>
25 
26 #include <shared/util.h>
27 
28 #include <libkmod/libkmod.h>
29 
30 #include "testsuite.h"
31 
32 #define TEST_UNAME "4.0.20-kmod"
33 
test_dependencies(const struct test * t)34 static noreturn int test_dependencies(const struct test *t)
35 {
36 	struct kmod_ctx *ctx;
37 	struct kmod_module *mod = NULL;
38 	struct kmod_list *list, *l;
39 	int err;
40 	size_t len = 0;
41 	int fooa = 0, foob = 0, fooc = 0;
42 
43 	ctx = kmod_new(NULL, NULL);
44 	if (ctx == NULL)
45 		exit(EXIT_FAILURE);
46 
47 	err = kmod_module_new_from_name(ctx, "mod-foo", &mod);
48 	if (err < 0 || mod == NULL) {
49 		kmod_unref(ctx);
50 		exit(EXIT_FAILURE);
51 	}
52 
53 	list = kmod_module_get_dependencies(mod);
54 
55 	kmod_list_foreach(l, list) {
56 		struct kmod_module *m = kmod_module_get_module(l);
57 		const char *name = kmod_module_get_name(m);
58 
59 		if (streq(name, "mod_foo_a"))
60 			fooa = 1;
61 		if (streq(name, "mod_foo_b"))
62 			foob = 1;
63 		else if (streq(name, "mod_foo_c"))
64 			fooc = 1;
65 
66 		fprintf(stderr, "name=%s", name);
67 		kmod_module_unref(m);
68 		len++;
69 	}
70 
71 	/* fooa, foob, fooc */
72 	if (len != 3 || !fooa || !foob || !fooc)
73 		exit(EXIT_FAILURE);
74 
75 	kmod_module_unref_list(list);
76 	kmod_module_unref(mod);
77 	kmod_unref(ctx);
78 
79 	exit(EXIT_SUCCESS);
80 }
81 DEFINE_TEST(test_dependencies,
82 	.description = "test if kmod_module_get_dependencies works",
83 	.config = {
84 		[TC_UNAME_R] = TEST_UNAME,
85 		[TC_ROOTFS] = TESTSUITE_ROOTFS "test-dependencies/",
86 	},
87 	.need_spawn = true);
88 
89 TESTSUITE_MAIN();
90