2 * Copyright (C) 2014 The Android Open Source Project
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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
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
29 #define _LARGEFILE64_SOURCE
37 #include <f2fs_format_utils.h>
38 #if defined(__linux__)
39 #define F2FS_DYN_LIB "libf2fs_fmt_host_dyn.so"
40 #elif defined(__APPLE__) && defined(__MACH__)
41 #define F2FS_DYN_LIB "libf2fs_fmt_host_dyn.dylib"
43 #error "Not supported OS"
46 int (*f2fs_format_device_dl)(void);
47 void (*f2fs_init_configuration_dl)(struct f2fs_configuration *);
48 void (*flush_sparse_buffs_dl)(void);
49 void (*init_sparse_file_dl)(unsigned int, int64_t);
50 void (*finalize_sparse_file_dl)(int);
51 struct f2fs_configuration *f2fs_config;
53 int f2fs_format_device(void) {
54 assert(f2fs_format_device_dl);
55 return f2fs_format_device_dl();
57 void f2fs_init_configuration(struct f2fs_configuration *config) {
58 assert(f2fs_init_configuration_dl);
59 f2fs_init_configuration_dl(config);
61 void flush_sparse_buffs(void) {
62 assert(flush_sparse_buffs_dl);
63 return flush_sparse_buffs_dl();
65 void init_sparse_file(unsigned int block_size, int64_t len) {
66 assert(init_sparse_file_dl);
67 return init_sparse_file_dl(block_size, len);
69 void finalize_sparse_file(int fd) {
70 assert(finalize_sparse_file_dl);
71 return finalize_sparse_file_dl(fd);
76 f2fs_lib = dlopen(F2FS_DYN_LIB, RTLD_NOW);
80 f2fs_format_device_dl = dlsym(f2fs_lib, "f2fs_format_device");
81 f2fs_init_configuration_dl = dlsym(f2fs_lib, "f2fs_init_configuration");
82 flush_sparse_buffs_dl = dlsym(f2fs_lib, "flush_sparse_buffs");
83 init_sparse_file_dl = dlsym(f2fs_lib, "init_sparse_file");
84 finalize_sparse_file_dl = dlsym(f2fs_lib, "finalize_sparse_file");
85 f2fs_config = dlsym(f2fs_lib, "config");
86 if (!f2fs_format_device_dl || !f2fs_init_configuration_dl ||
87 !flush_sparse_buffs_dl || !f2fs_config ||
88 !init_sparse_file_dl || !finalize_sparse_file_dl) {