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 43 int f2fs_format_device(void) { 44 assert(f2fs_format_device_dl); 45 return f2fs_format_device_dl(); 46 } 47 void f2fs_init_configuration(struct f2fs_configuration *config) { 48 assert(f2fs_init_configuration_dl); 49 f2fs_init_configuration_dl(config); 50 } 51 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
