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2445 | decky | 1 | /* |
2 | * Copyright (c) 2007 Michal Konopa |
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3 | * Copyright (c) 2007 Martin Jelen |
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4 | * Copyright (c) 2007 Peter Majer |
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5 | * All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions |
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9 | * are met: |
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10 | * |
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11 | * - Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * - Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * - The name of the author may not be used to endorse or promote products |
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17 | * derived from this software without specific prior written permission. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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29 | */ |
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30 | |||
31 | /** @addtogroup libc |
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32 | * @{ |
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33 | */ |
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34 | |||
35 | /** |
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36 | * @file file.h |
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37 | * @brief The main header for the user library for working with the file system |
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38 | */ |
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39 | |||
40 | #ifndef _FILE_H |
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41 | #define _FILE_H |
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42 | |||
43 | #include "../../../fs/const.h" |
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44 | #include "../../../fs/type.h" |
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45 | #include "../../../fs/stat.h" |
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46 | #include "../../../fs/dir.h" |
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47 | #include "../../../share/message.h" |
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48 | |||
49 | #define F_OK 0x00 |
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50 | #define F_FILE_NOT_FOUND 0x01 |
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51 | #define F_FILE_NOT_OPEN 0x02 |
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52 | #define F_READ_ERROR 0x10 |
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53 | #define F_READ_OVERFLOW 0x11 |
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54 | #define F_SYSTEM_ERROR 0xf0 |
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55 | #define F_IPC_FAILURE 0xf1 |
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56 | #define F_MMAP_FAILURE 0xf2 |
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57 | #define F_COMM_FAILURE 0xf3 |
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58 | |||
59 | #define F_ERRTYPE_MASK 0xf0 |
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60 | |||
61 | #define F_MODE_READ 0x01 |
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62 | #define F_MODE_WRITE 0x02 |
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63 | #define F_MODE_READ_WRITE F_MODE_READ | F_MODE_WRITE |
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64 | #define F_MODE_APPEND 0x04 |
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65 | |||
66 | /** |
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67 | * |
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68 | */ |
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69 | typedef struct { |
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70 | char name[30]; |
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71 | unsigned short inode_num; |
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72 | } dir_item_t; |
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73 | |||
74 | /** |
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75 | * |
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76 | */ |
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77 | typedef struct { |
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78 | size_t size; |
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79 | dir_item_t base_info; |
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80 | void *share; |
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81 | message_params_t *params; |
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82 | unsigned int handle; |
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83 | stat_t stat; |
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84 | } file_t; |
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85 | |||
86 | static int f_err; |
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87 | |||
88 | dir_item_t *ls(unsigned int *length); |
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89 | int chdir(char *new_dir); |
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90 | |||
91 | file_t *fopen(char *name, int mode); |
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92 | int fstat(file_t *file); |
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93 | int fread(file_t *file, void *buffer, unsigned int size); |
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94 | int fseek(file_t * file, int offset, int whence); |
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95 | int fclose(file_t *file); |
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96 | |||
97 | #endif |
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98 | |||
99 | /** |
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100 | *@} |
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101 | / |