1/* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include "los_config.h" 33 34#if defined(LOSCFG_SHELL) && defined(LOSCFG_FS_FAT) 35#include "stdlib.h" 36#include "stdio.h" 37#include "errno.h" 38#include "shcmd.h" 39#include "shell.h" 40#include "fatfs.h" 41 42int osShellCmdFormat(int argc, char **argv) 43{ 44 if (argc < 3) { /* 3, at least 3 params for this shell command. */ 45 perror("format error"); 46 PRINTK("Usage :\n"); 47 PRINTK(" format <dev_vnodename> <sectors> <option> <label>\n"); 48 PRINTK(" dev_vnodename : the name of dev\n"); 49 PRINTK(" sectors : Size of allocation unit in unit of byte or sector, "); 50 PRINTK("0 instead of default size\n"); 51 PRINTK(" options : Index of filesystem. 1 for FAT filesystem, "); 52 PRINTK("2 for FAT32 filesystem, 7 for any, 8 for erase\n"); 53 PRINTK(" label : The volume of device. It will be emptyed when this parameter is null\n"); 54 PRINTK("Example:\n"); 55 PRINTK(" format /dev/mmcblk0 128 2\n"); 56 57 set_errno(EINVAL); 58 return 0; 59 } 60 61 if (argc == 4) { /* 4, if the params count is equal to 4, then do this. */ 62 /* 3, get the param and check. */ 63 if (strncmp(argv[3], "NULL", strlen(argv[3])) == 0 || strncmp(argv[3], "null", strlen(argv[3])) == 0) { 64 set_label(NULL); 65 } else { 66 set_label(argv[3]); 67 } 68 } 69 /* 0, 1, 2, get the param and check it. */ 70 if (format(argv[0], atoi(argv[1]), atoi(argv[2])) == 0) { 71 PRINTK("format %s Success \n", argv[0]); 72 } else { 73 perror("format error"); 74 } 75 76 return 0; 77} 78 79SHELLCMD_ENTRY(format_shellcmd, CMD_TYPE_EX, "format", XARGS, (CmdCallBackFunc)osShellCmdFormat); 80#endif 81