1 | /*
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2 | * TOPPERS ECHONET Lite Communication Middleware
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3 | *
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4 | * Copyright (C) 2017 Cores Co., Ltd. Japan
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5 | *
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6 | * ä¸è¨èä½æ¨©è
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7 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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8 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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9 | * å¤ã»åé
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10 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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11 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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12 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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13 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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14 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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15 | * ç¨ã§ããå½¢ã§åé
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16 | å¸ããå ´åã«ã¯ï¼åé
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17 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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18 | * è
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19 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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20 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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21 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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22 | * ç¨ã§ããªãå½¢ã§åé
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23 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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24 | * ã¨ï¼
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25 | * (a) åé
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26 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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27 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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28 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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29 | * (b) åé
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30 | å¸ã®å½¢æ
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31 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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32 | * å ±åãããã¨ï¼
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33 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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34 | * 害ãããï¼ä¸è¨èä½æ¨©è
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35 | ããã³TOPPERSããã¸ã§ã¯ããå
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36 | 責ãããã¨ï¼
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37 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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38 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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39 | ããã³TOPPERSããã¸ã§ã¯ãã
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40 | * å
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41 | 責ãããã¨ï¼
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42 | *
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43 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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44 | ã
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45 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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46 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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47 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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48 | * ã®è²¬ä»»ãè² ããªãï¼
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49 | *
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50 | * @(#) $Id: io_stub.c 388 2019-05-22 11:25:18Z coas-nagasima $
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51 | */
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52 | #include "shellif.h"
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53 | #include <stdint.h>
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54 | #include "ff.h"
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55 | #include <kernel.h>
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56 | #include <t_syslog.h>
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57 | #include <t_stdlib.h>
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58 | #include <sil.h>
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59 | #include <string.h>
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60 | #include "syssvc/serial.h"
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61 | #include "syssvc/syslog.h"
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62 | #include "fdtable.h"
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63 | #include "util/ntstdio.h"
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64 | #include "usrcmd.h"
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65 | #include "core/ntlibc.h"
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66 | #include "kernel_cfg.h"
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67 | #include "target_syssvc.h"
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68 |
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69 | struct SHELL_DIR {
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70 | FATFS_DIR dir;
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71 | struct dirent dirent;
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72 | };
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73 |
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74 | int fresult2errno(FRESULT res)
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75 | {
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76 | switch (res) {
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77 | case FR_INVALID_OBJECT:
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78 | return -EINVAL;
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79 | case FR_TOO_MANY_OPEN_FILES:
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80 | return -ENOMEM;
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81 | case FR_NO_FILE:
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82 | case FR_NO_PATH:
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83 | case FR_INVALID_DRIVE:
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84 | case FR_INVALID_NAME:
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85 | return -ENOENT;
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86 | case FR_DISK_ERR:
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87 | case FR_NO_FILESYSTEM:
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88 | case FR_NOT_ENABLED:
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89 | return -ENODEV;
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90 | case FR_WRITE_PROTECTED:
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91 | case FR_DENIED:
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92 | return -EACCES;
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93 | case FR_EXIST:
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94 | return -EEXIST;
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95 | case FR_INT_ERR:
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96 | default:
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97 | return -EIO;
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98 | }
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99 | }
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100 |
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101 | static int file_close(struct SHELL_FILE *fp);
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102 | static size_t file_read(struct SHELL_FILE *fp, unsigned char *data, size_t len);
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103 | static size_t file_write(struct SHELL_FILE *fp, const unsigned char *data, size_t len);
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104 | static off_t file_seek(struct SHELL_FILE *fp, off_t ofs, int org);
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105 | static int file_ioctl(struct SHELL_FILE *fp, int req, void *arg);
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106 | static bool_t file_readable(struct SHELL_FILE *fp);
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107 | static bool_t file_writable(struct SHELL_FILE *fp);
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108 | static void file_delete(struct SHELL_FILE *fp);
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109 |
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110 | static int dir_close(struct SHELL_FILE *fp);
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111 | static size_t dir_read(struct SHELL_FILE *fp, unsigned char *data, size_t len);
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112 | static size_t dir_write(struct SHELL_FILE *fp, const unsigned char *data, size_t len);
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113 | static off_t dir_seek(struct SHELL_FILE *fp, off_t ofs, int org);
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114 | static int dir_ioctl(struct SHELL_FILE *fp, int req, void *arg);
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115 | static bool_t dir_readable(struct SHELL_FILE *fp);
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116 | static bool_t dir_writable(struct SHELL_FILE *fp);
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117 | static void dir_delete(struct SHELL_FILE *fp);
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118 |
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119 | IO_TYPE IO_TYPE_FILE = { file_close, file_read, file_write, file_seek, file_ioctl, file_readable, file_writable, file_delete };
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120 | IO_TYPE IO_TYPE_DIR = { dir_close, dir_read, dir_write, dir_seek, dir_ioctl, dir_readable, dir_writable, dir_delete };
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121 |
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122 | int shell_open(const char *path, int flags, void *arg)
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123 | {
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124 | FRESULT res;
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125 | struct SHELL_FILE *fp;
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126 |
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127 | if (flags & O_DIRECTORY) {
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128 | fp = new_fp(&IO_TYPE_DIR, 0, 0);
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129 | if (fp == NULL)
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130 | return -ENOMEM;
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131 |
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132 | fp->exinf = malloc(sizeof(struct SHELL_DIR));
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133 | memset(fp->exinf, 0, sizeof(struct SHELL_DIR));
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134 |
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135 | FATFS_DIR *dir = &((struct SHELL_DIR *)fp->exinf)->dir;
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136 | FRESULT res;
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137 | if ((res = f_opendir(dir, path)) != FR_OK) {
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138 | delete_fp(fp);
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139 | return fresult2errno(res);
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140 | }
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141 | return 0;
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142 | }
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143 |
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144 | fp = new_fp(&IO_TYPE_FILE, 0, 1);
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145 | if (fp == NULL)
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146 | return -ENOMEM;
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147 |
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148 | fp->exinf = malloc(sizeof(FIL));
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149 | memset(fp->exinf, 0, sizeof(FIL));
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150 |
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151 | BYTE fmd = 0;
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152 | switch (flags & O_ACCMODE) {
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153 | case O_RDONLY:
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154 | fmd = FA_READ;
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155 | break;
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156 | case O_WRONLY:
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157 | fmd = FA_WRITE;
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158 | break;
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159 | default:
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160 | fmd = FA_READ | FA_WRITE;
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161 | break;
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162 | }
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163 | /* ãã¡ã¤ã«ãä½æ */
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164 | if (flags & O_CREAT) {
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165 | /* æ¢åã®å
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166 | 容ã¯æ¶ã */
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167 | if (flags & O_TRUNC) {
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168 | fmd |= FA_CREATE_ALWAYS;
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169 | }
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170 | /* æ°è¦ä½æã®ä¿é */
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171 | else if (flags & O_EXCL) {
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172 | fmd |= FA_CREATE_NEW;
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173 | }
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174 | else {
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175 | fmd |= FA_OPEN_ALWAYS;
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176 | }
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177 | }
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178 | /* ããå ´åã¯éã */
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179 | else {
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180 | /* æ¢åã®å
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181 | 容ã¯æ¶ã */
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182 | if (flags & O_TRUNC) {
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183 | fmd |= FA_CREATE_ALWAYS;
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184 | }
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185 | }
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186 |
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187 | if ((res = f_open((FIL *)fp->exinf, path, fmd)) == FR_OK) {
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188 | fp->handle = fp->fd;
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189 | return fp->fd;
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190 | }
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191 |
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192 | delete_fp(fp);
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193 | return fresult2errno(res);
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194 | }
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195 |
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196 | int file_close(struct SHELL_FILE *fp)
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197 | {
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198 | FRESULT res;
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199 |
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200 | if ((res = f_close((FIL *)fp->exinf)) == FR_OK) {
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201 | return 0;
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202 | }
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203 |
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204 | return -EINVAL;
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205 | }
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206 |
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207 | size_t file_read(struct SHELL_FILE *fp, unsigned char *data, size_t len)
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208 | {
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209 | unsigned int ret = 0;
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210 | FRESULT res;
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211 |
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212 | if ((res = f_read((FIL *)fp->exinf, data, len, &ret)) != FR_OK)
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213 | return -EIO;
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214 |
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215 | return ret;
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216 | }
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217 |
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218 | size_t file_write(struct SHELL_FILE *fp, const unsigned char *data, size_t len)
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219 | {
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220 | unsigned int ret = 0;
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221 | FRESULT res;
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222 |
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223 | if ((res = f_write((FIL *)fp->exinf, data, len, &ret)) != FR_OK)
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224 | return -EIO;
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225 |
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226 | return ret;
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227 | }
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228 |
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229 | off_t file_seek(struct SHELL_FILE *fp, off_t ptr, int dir)
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230 | {
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231 | switch (dir) {
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232 | case SEEK_SET:
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233 | dir = F_SEEK_SET;
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234 | break;
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235 | case SEEK_CUR:
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236 | dir = F_SEEK_CUR;
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237 | break;
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238 | case SEEK_END:
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239 | dir = F_SEEK_END;
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240 | break;
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241 | default:
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242 | return -EINVAL;
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243 | }
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244 |
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245 | FRESULT res;
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246 | if ((res = f_seek((FIL *)fp->exinf, ptr, dir)) != FR_OK)
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247 | return -EIO;
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248 |
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249 | return ((FIL *)fp->exinf)->fptr;
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250 | }
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251 |
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252 | int file_ioctl(struct SHELL_FILE *fp, int req, void *arg)
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253 | {
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254 | DRESULT res;
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255 |
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256 | if ((res = disk_ioctl(((FIL *)fp->exinf)->fs->drv, req, arg) != RES_OK))
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257 | return -EINVAL;
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258 |
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259 | return 0;
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260 | }
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261 |
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262 | bool_t file_readable(struct SHELL_FILE *fp)
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263 | {
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264 | return fp->readevt_w != fp->readevt_r;
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265 | }
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266 |
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267 | bool_t file_writable(struct SHELL_FILE *fp)
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268 | {
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269 | return fp->writable && (fp->writeevt_w == fp->writeevt_r);
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270 | }
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271 |
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272 | void file_delete(struct SHELL_FILE *fp)
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273 | {
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274 | free((FIL *)fp->exinf);
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275 | fp->exinf = NULL;
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276 | }
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277 |
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278 | int shell_close(int fd)
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279 | {
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280 | struct SHELL_FILE *fp = fd_to_fp(fd);
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281 | if (fp == NULL)
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282 | return -EBADF;
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283 |
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284 | int ret = fp->type->close(fp);
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285 |
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286 | delete_fp(fp);
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287 |
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288 | return ret;
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289 | }
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290 |
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291 | ssize_t shell_read(int fd, void *data, size_t len)
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292 | {
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293 | struct SHELL_FILE *fp = fd_to_fp(fd);
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294 | if (fp == NULL)
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295 | return -EBADF;
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296 |
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297 | return fp->type->read(fp, (unsigned char *)data, len);
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298 | }
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299 |
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300 | int shell_readv(int fd, const struct iovec *iov, int iovcnt)
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301 | {
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302 | int result = 0;
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303 | struct SHELL_FILE *fp = fd_to_fp(fd);
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304 | if (fp == NULL)
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305 | return -EBADF;
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306 |
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307 | const struct iovec *end = &iov[iovcnt];
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308 | for (; iov < end; iov++) {
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309 | result += fp->type->read(fp, (unsigned char *)iov->iov_base, iov->iov_len);
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310 | }
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311 |
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312 | return result;
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313 | }
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314 |
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315 | ssize_t shell_write(int fd, const void *data, size_t len)
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316 | {
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317 | struct SHELL_FILE *fp = fd_to_fp(fd);
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318 | if (fp == NULL)
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319 | return -EBADF;
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320 |
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321 | return fp->type->write(fp, (unsigned char *)data, len);
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322 | }
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323 |
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324 | int shell_writev(int fd, const struct iovec *iov, int iovcnt)
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325 | {
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326 | int result = 0;
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327 | struct SHELL_FILE *fp = fd_to_fp(fd);
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328 | if (fp == NULL)
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329 | return -EBADF;
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330 |
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331 | const struct iovec *end = &iov[iovcnt];
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332 | for (; iov < end; iov++) {
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333 | result += fp->type->write(fp, (unsigned char *)iov->iov_base, iov->iov_len);
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334 | }
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335 |
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336 | return result;
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337 | }
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338 |
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339 | int shell_llseek(int fd, off_t ptr, off_t *result, int dir)
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340 | {
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341 | struct SHELL_FILE *fp = fd_to_fp(fd);
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342 | if (fp == NULL)
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343 | return -EBADF;
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344 |
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345 | off_t ret = fp->type->seek(fp, ptr, dir);
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346 | if (ret < 0)
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347 | return ret;
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348 |
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349 | *result = ret;
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350 | return 0;
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351 | }
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352 |
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353 | int shell_fstat(int fd, struct stat * st)
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354 | {
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355 | struct SHELL_FILE *fp = fd_to_fp(fd);
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356 | if (fp == NULL)
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357 | return -EBADF;
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358 |
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359 | memset(st, 0, sizeof(*st));
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360 | st->st_mode = S_IFCHR;
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361 | //st->st_blksize = 1024;
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362 | return 0;
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363 | }
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364 |
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365 | int shell_fsync(int fd)
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366 | {
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367 | struct SHELL_FILE *fp = fd_to_fp(fd);
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368 | if (fp == NULL)
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369 | return -EBADF;
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370 | return -EIO;
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371 | }
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372 |
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373 | int shell_ftruncate(int fd, off_t length)
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374 | {
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375 | struct SHELL_FILE *fp = fd_to_fp(fd);
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376 | if (fp == NULL)
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377 | return -EBADF;
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378 |
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379 | FRESULT res;
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380 | if ((res = f_truncate((FIL *)fp->exinf)) != FR_OK)
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381 | return fresult2errno(res);
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382 |
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383 | return 0;
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384 | }
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385 |
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386 | int shell_fcntl(int fd, int cmd, void *arg)
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387 | {
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388 | return shell_ioctl(fd, cmd, arg);
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389 | }
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390 |
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391 | int shell_stat(const char *__restrict path, struct stat *__restrict st)
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392 | {
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393 | FILINFO fi;
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394 | FRESULT ret;
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395 | #if FF_USE_LFN
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396 | static char lfn[FF_MAX_LFN + 1]; /* Buffer to store the LFN */
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397 | fi.lfname = lfn;
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398 | fi.lfsize = sizeof lfn;
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399 | #endif
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400 | if (strcmp(path, ".") == 0) {
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401 | char cwd[FF_MAX_LFN];
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402 | if ((ret = f_getcwd(cwd, sizeof(cwd))) != FR_OK) {
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403 | return fresult2errno(ret);
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404 | }
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405 | int l = strlen(cwd);
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406 | // ã«ã¼ããã£ã¬ã¯ããªã®å ´å
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407 | if (cwd[l - 2] == ':' && cwd[l - 1] == '/') {
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408 | st->st_size = 0;
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409 | st->st_mtim.tv_nsec = 0;
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410 | st->st_mtim.tv_sec = 0;
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411 | st->st_mode = S_IFDIR;
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412 | return 0;
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413 | }
|
---|
414 | if ((ret = f_stat(cwd, &fi)) != FR_OK) {
|
---|
415 | return fresult2errno(ret);
|
---|
416 | }
|
---|
417 | }
|
---|
418 | else if ((ret = f_stat(path, &fi)) != FR_OK) {
|
---|
419 | return fresult2errno(ret);
|
---|
420 | }
|
---|
421 |
|
---|
422 | st->st_size = fi.fsize;
|
---|
423 | st->st_mtim.tv_nsec = 0;
|
---|
424 | st->st_mtim.tv_sec = fi.fdate + fi.ftime;
|
---|
425 | st->st_mode = (S_IRUSR | S_IRGRP | S_IROTH);
|
---|
426 | st->st_mode |= (fi.fattrib & AM_RDO) ? 0 : (S_IWUSR | S_IWGRP | S_IWOTH);
|
---|
427 | st->st_mode |= (fi.fattrib & (AM_DIR | AM_VOL)) ? S_IFDIR : S_IFREG;
|
---|
428 |
|
---|
429 | return 0;
|
---|
430 | }
|
---|
431 |
|
---|
432 | int shell_lstat(const char *__restrict path, struct stat *__restrict st)
|
---|
433 | {
|
---|
434 | return shell_stat(path, st);
|
---|
435 | }
|
---|
436 |
|
---|
437 | int shell_link(const char *a, const char *b)
|
---|
438 | {
|
---|
439 | return -EPERM;
|
---|
440 | }
|
---|
441 |
|
---|
442 | int shell_unlink(const char *path)
|
---|
443 | {
|
---|
444 | FRESULT res;
|
---|
445 |
|
---|
446 | if ((res = f_unlink(path)) != FR_OK)
|
---|
447 | return -EIO;
|
---|
448 |
|
---|
449 | return 0;
|
---|
450 | }
|
---|
451 |
|
---|
452 | int shell_rmdir(const char *path)
|
---|
453 | {
|
---|
454 | FRESULT res;
|
---|
455 |
|
---|
456 | if ((res = f_unlink(path)) != FR_OK)
|
---|
457 | return -EIO;
|
---|
458 |
|
---|
459 | return 0;
|
---|
460 | }
|
---|
461 |
|
---|
462 | int shell_rename(const char *oldpath, const char *newpath)
|
---|
463 | {
|
---|
464 | FRESULT res;
|
---|
465 |
|
---|
466 | if ((res = f_rename(oldpath, newpath)) != FR_OK)
|
---|
467 | return fresult2errno(res);
|
---|
468 | return 0;
|
---|
469 | }
|
---|
470 |
|
---|
471 | #define S_IREAD S_IRUSR
|
---|
472 | #define S_IWRITE S_IWUSR
|
---|
473 |
|
---|
474 | int shell_mkdir(const char *path, mode_t mode)
|
---|
475 | {
|
---|
476 | FRESULT res;
|
---|
477 |
|
---|
478 | if ((res = f_mkdir(path)) != FR_OK)
|
---|
479 | return fresult2errno(res);
|
---|
480 |
|
---|
481 | BYTE attr = 0;
|
---|
482 | BYTE mask = AM_RDO | AM_SYS; // AM_ARC, AM_HID
|
---|
483 |
|
---|
484 | if (mode & S_IREAD) {
|
---|
485 | if ((mode & S_IWRITE) == 0) {
|
---|
486 | attr |= AM_RDO;
|
---|
487 | }
|
---|
488 | }
|
---|
489 | else {
|
---|
490 | attr |= AM_SYS;
|
---|
491 | }
|
---|
492 |
|
---|
493 | if ((res = f_chmod(path, attr, mask)) != FR_OK) {
|
---|
494 | return fresult2errno(res);
|
---|
495 | }
|
---|
496 |
|
---|
497 | return 0;
|
---|
498 | }
|
---|
499 |
|
---|
500 | int shell_chmod(const char *path, mode_t mode)
|
---|
501 | {
|
---|
502 | FRESULT res;
|
---|
503 | BYTE attr = 0;
|
---|
504 | BYTE mask = AM_RDO | AM_SYS; // AM_ARC, AM_HID
|
---|
505 |
|
---|
506 | if (mode & S_IREAD) {
|
---|
507 | if ((mode & S_IWRITE) == 0) {
|
---|
508 | attr |= AM_RDO;
|
---|
509 | }
|
---|
510 | }
|
---|
511 | else {
|
---|
512 | attr |= AM_SYS;
|
---|
513 | }
|
---|
514 |
|
---|
515 | if ((res = f_chmod(path, attr, mask)) != FR_OK) {
|
---|
516 | return fresult2errno(res);
|
---|
517 | }
|
---|
518 |
|
---|
519 | return 0;
|
---|
520 | }
|
---|
521 |
|
---|
522 | char *shell_getcwd(char *buf, size_t size)
|
---|
523 | {
|
---|
524 | FRESULT ret;
|
---|
525 | if ((ret = f_getcwd(buf, size)) != FR_OK) {
|
---|
526 | return NULL;
|
---|
527 | }
|
---|
528 |
|
---|
529 | return buf;
|
---|
530 | }
|
---|
531 |
|
---|
532 | int shell_chdir(const char *path)
|
---|
533 | {
|
---|
534 | FRESULT res;
|
---|
535 | if ((res = f_chdir(path)) != FR_OK) {
|
---|
536 | return fresult2errno(res);
|
---|
537 | }
|
---|
538 |
|
---|
539 | return 0;
|
---|
540 | }
|
---|
541 |
|
---|
542 | int shell_chroot(const char *path)
|
---|
543 | {
|
---|
544 | shell_abort();
|
---|
545 | return -EPERM;
|
---|
546 | }
|
---|
547 |
|
---|
548 | int dir_close(struct SHELL_FILE *fp)
|
---|
549 | {
|
---|
550 | FRESULT res;
|
---|
551 | if ((res = f_closedir(&((struct SHELL_DIR *)fp->exinf)->dir)) != FR_OK) {
|
---|
552 | return fresult2errno(res);
|
---|
553 | }
|
---|
554 |
|
---|
555 | return 0;
|
---|
556 | }
|
---|
557 |
|
---|
558 | int shell_getdents(int fd, struct dirent *de, size_t len)
|
---|
559 | {
|
---|
560 | if (len < sizeof(struct dirent))
|
---|
561 | return -EINVAL;
|
---|
562 |
|
---|
563 | struct SHELL_FILE *fp = fd_to_fp(fd);
|
---|
564 | if (fp == NULL)
|
---|
565 | return -EBADF;
|
---|
566 |
|
---|
567 | FILINFO fno;
|
---|
568 | #if FF_USE_LFN
|
---|
569 | static char lfn[FF_MAX_LFN + 1]; /* Buffer to store the LFN */
|
---|
570 | fno.lfname = lfn;
|
---|
571 | fno.lfsize = sizeof lfn;
|
---|
572 | #endif
|
---|
573 | FRESULT res;
|
---|
574 | if ((res = f_readdir(&((struct SHELL_DIR *)fp->exinf)->dir, &fno)) != FR_OK || fno.fname[0] == '\0') {
|
---|
575 | return fresult2errno(res);
|
---|
576 | }
|
---|
577 |
|
---|
578 | memset(de, 0, sizeof(*de));
|
---|
579 | #if FF_USE_LFN
|
---|
580 | ntlibc_strlcpy(de->d_name, *fno.lfname ? fno.lfname : fno.fname, sizeof(de->d_name));
|
---|
581 | #else
|
---|
582 | ntlibc_strlcpy(de->d_name, fno.fname, sizeof(de->d_name));
|
---|
583 | #endif
|
---|
584 |
|
---|
585 | return 0;
|
---|
586 | }
|
---|
587 |
|
---|
588 | size_t dir_read(struct SHELL_FILE *fp, unsigned char *data, size_t len)
|
---|
589 | {
|
---|
590 | return -EPERM;
|
---|
591 | }
|
---|
592 |
|
---|
593 | size_t dir_write(struct SHELL_FILE *fp, const unsigned char *data, size_t len)
|
---|
594 | {
|
---|
595 | return -EPERM;
|
---|
596 | }
|
---|
597 |
|
---|
598 | off_t dir_seek(struct SHELL_FILE *fp, off_t ptr, int dir)
|
---|
599 | {
|
---|
600 | FRESULT res;
|
---|
601 |
|
---|
602 | if (dir != SEEK_SET)
|
---|
603 | return -EINVAL;
|
---|
604 |
|
---|
605 | if (ptr == 0) {
|
---|
606 | if ((res = f_rewinddir(&((struct SHELL_DIR *)fp->exinf)->dir)) != FR_OK) {
|
---|
607 | return fresult2errno(res);
|
---|
608 | }
|
---|
609 | }
|
---|
610 | else {
|
---|
611 | FILINFO fno;
|
---|
612 | #if FF_USE_LFN
|
---|
613 | static char lfn[FF_MAX_LFN + 1]; /* Buffer to store the LFN */
|
---|
614 | fno.lfname = lfn;
|
---|
615 | fno.lfsize = sizeof lfn;
|
---|
616 | #endif
|
---|
617 | if ((res = f_rewinddir(&((struct SHELL_DIR *)fp->exinf)->dir)) != FR_OK) {
|
---|
618 | return fresult2errno(res);
|
---|
619 | }
|
---|
620 |
|
---|
621 | for (int i = 0; i < ptr; i++) {
|
---|
622 | if ((res = f_readdir(&((struct SHELL_DIR *)fp->exinf)->dir, &fno)) != FR_OK || fno.fname[0] == '\0') {
|
---|
623 | return fresult2errno(res);
|
---|
624 | }
|
---|
625 | }
|
---|
626 | }
|
---|
627 |
|
---|
628 | return ptr;
|
---|
629 | }
|
---|
630 |
|
---|
631 | int dir_ioctl(struct SHELL_FILE *fp, int req, void *arg)
|
---|
632 | {
|
---|
633 | return -EINVAL;
|
---|
634 | }
|
---|
635 |
|
---|
636 | bool_t dir_readable(struct SHELL_FILE *fp)
|
---|
637 | {
|
---|
638 | return fp->readevt_w != fp->readevt_r;
|
---|
639 | }
|
---|
640 |
|
---|
641 | bool_t dir_writable(struct SHELL_FILE *fp)
|
---|
642 | {
|
---|
643 | return false;
|
---|
644 | }
|
---|
645 |
|
---|
646 | void dir_delete(struct SHELL_FILE *fp)
|
---|
647 | {
|
---|
648 | free((struct SHELL_DIR *)fp->exinf);
|
---|
649 | fp->exinf = NULL;
|
---|
650 | }
|
---|
651 |
|
---|
652 | pid_t shell_getpid(void)
|
---|
653 | {
|
---|
654 | return 1;
|
---|
655 | }
|
---|
656 |
|
---|
657 | int shell_access(const char *path, int mode)
|
---|
658 | {
|
---|
659 | struct stat st;
|
---|
660 | int ret;
|
---|
661 |
|
---|
662 | ret = shell_stat(path, &st);
|
---|
663 | if (ret != 0)
|
---|
664 | return ret;
|
---|
665 |
|
---|
666 | return 0;
|
---|
667 | }
|
---|