1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #define _LARGEFILE64_SOURCE
30
31 #include <stdio.h>
32
33 #include <dlfcn.h>
34 #include <assert.h>
35
36 #include <f2fs_fs.h>
37 #include <f2fs_format_utils.h>
38 #define F2FS_DYN_LIB "libf2fs_fmt_host_dyn.so"
39
40 int (*f2fs_format_device_dl)(void);
41 void (*f2fs_init_configuration_dl)(struct f2fs_configuration *);
42
f2fs_format_device(void)43 int f2fs_format_device(void) {
44 assert(f2fs_format_device_dl);
45 return f2fs_format_device_dl();
46 }
f2fs_init_configuration(struct f2fs_configuration * config)47 void f2fs_init_configuration(struct f2fs_configuration *config) {
48 assert(f2fs_init_configuration_dl);
49 f2fs_init_configuration_dl(config);
50 }
51
dlopenf2fs()52 int dlopenf2fs() {
53 void* f2fs_lib;
54
55 f2fs_lib = dlopen(F2FS_DYN_LIB, RTLD_NOW);
56 if (!f2fs_lib) {
57 return -1;
58 }
59 f2fs_format_device_dl = dlsym(f2fs_lib, "f2fs_format_device");
60 f2fs_init_configuration_dl = dlsym(f2fs_lib, "f2fs_init_configuration");
61 if (!f2fs_format_device_dl || !f2fs_init_configuration_dl) {
62 return -1;
63 }
64 return 0;
65 }
66