fx_directory_first_full_entry_find.c
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|---|---|---|---|
| 1 | /*************************************************************************** | ||
| 2 | * Copyright (c) 2024 Microsoft Corporation | ||
| 3 | * Copyright (c) 2026-present Eclipse ThreadX contributors | ||
| 4 | * | ||
| 5 | * This program and the accompanying materials are made available under the | ||
| 6 | * terms of the MIT License which is available at | ||
| 7 | * https://opensource.org/licenses/MIT. | ||
| 8 | * | ||
| 9 | * SPDX-License-Identifier: MIT | ||
| 10 | **************************************************************************/ | ||
| 11 | |||
| 12 | |||
| 13 | /**************************************************************************/ | ||
| 14 | /**************************************************************************/ | ||
| 15 | /** */ | ||
| 16 | /** FileX Component */ | ||
| 17 | /** */ | ||
| 18 | /** Directory */ | ||
| 19 | /** */ | ||
| 20 | /**************************************************************************/ | ||
| 21 | /**************************************************************************/ | ||
| 22 | |||
| 23 | #define FX_SOURCE_CODE | ||
| 24 | |||
| 25 | |||
| 26 | /* Include necessary system files. */ | ||
| 27 | |||
| 28 | #include "fx_api.h" | ||
| 29 | #include "fx_system.h" | ||
| 30 | #include "fx_directory.h" | ||
| 31 | #include "fx_utility.h" | ||
| 32 | |||
| 33 | #ifndef FX_NO_LOCAL_PATH | ||
| 34 | FX_LOCAL_PATH_SETUP | ||
| 35 | #endif | ||
| 36 | |||
| 37 | /**************************************************************************/ | ||
| 38 | /* */ | ||
| 39 | /* FUNCTION RELEASE */ | ||
| 40 | /* */ | ||
| 41 | /* _fx_directory_first_full_entry_find PORTABLE C */ | ||
| 42 | /* 6.1 */ | ||
| 43 | /* AUTHOR */ | ||
| 44 | /* */ | ||
| 45 | /* William E. Lamie, Microsoft Corporation */ | ||
| 46 | /* */ | ||
| 47 | /* DESCRIPTION */ | ||
| 48 | /* */ | ||
| 49 | /* This function returns the first directory entry of the current */ | ||
| 50 | /* working directory and selected information about the entry. */ | ||
| 51 | /* */ | ||
| 52 | /* INPUT */ | ||
| 53 | /* */ | ||
| 54 | /* media_ptr Media control block pointer */ | ||
| 55 | /* directory_name Destination for directory */ | ||
| 56 | /* name */ | ||
| 57 | /* attributes Destination for attributes */ | ||
| 58 | /* size Destination for size */ | ||
| 59 | /* year Destination for year */ | ||
| 60 | /* month Destination for month */ | ||
| 61 | /* day Destination for day */ | ||
| 62 | /* hour Destination for hour */ | ||
| 63 | /* minute Destination for minute */ | ||
| 64 | /* second Destination for second */ | ||
| 65 | /* */ | ||
| 66 | /* OUTPUT */ | ||
| 67 | /* */ | ||
| 68 | /* return status */ | ||
| 69 | /* */ | ||
| 70 | /* CALLS */ | ||
| 71 | /* */ | ||
| 72 | /* _fx_directory_next_full_entry_find Find next full directory entry*/ | ||
| 73 | /* */ | ||
| 74 | /* CALLED BY */ | ||
| 75 | /* */ | ||
| 76 | /* FileX System Functions */ | ||
| 77 | /* */ | ||
| 78 | /**************************************************************************/ | ||
| 79 | 109 | UINT _fx_directory_first_full_entry_find(FX_MEDIA *media_ptr, | |
| 80 | CHAR *directory_name, UINT *attributes, ULONG *size, | ||
| 81 | UINT *year, UINT *month, UINT *day, UINT *hour, UINT *minute, UINT *second) | ||
| 82 | { | ||
| 83 | |||
| 84 | UINT status; | ||
| 85 | |||
| 86 | |||
| 87 | #ifndef FX_MEDIA_STATISTICS_DISABLE | ||
| 88 | |||
| 89 | /* Increment the number of times this service has been called. */ | ||
| 90 | 109 | media_ptr -> fx_media_directory_first_full_entry_finds++; | |
| 91 | #endif | ||
| 92 | |||
| 93 | /* Check the media to make sure it is open. */ | ||
| 94 |
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109 | if (media_ptr -> fx_media_id != FX_MEDIA_ID) |
| 95 | { | ||
| 96 | |||
| 97 | /* Return the media not opened error. */ | ||
| 98 | 9 | return(FX_MEDIA_NOT_OPEN); | |
| 99 | } | ||
| 100 | |||
| 101 | /* If trace is enabled, insert this event into the trace buffer. */ | ||
| 102 | FX_TRACE_IN_LINE_INSERT(FX_TRACE_DIRECTORY_FIRST_FULL_ENTRY_FIND, media_ptr, directory_name, 0, 0, FX_TRACE_DIRECTORY_EVENTS, 0, 0) | ||
| 103 | |||
| 104 | /* Protect against other threads accessing the media. */ | ||
| 105 | 60 | FX_PROTECT | |
| 106 | |||
| 107 | /* Determine if a local path is in effect at this point. */ | ||
| 108 | #ifndef FX_NO_LOCAL_PATH | ||
| 109 |
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60 | if (_tx_thread_current_ptr -> tx_thread_filex_ptr) |
| 110 | { | ||
| 111 | |||
| 112 | /* Yes, there is a local path. Set the current entry to zero. */ | ||
| 113 | 10 | ((FX_PATH *)_tx_thread_current_ptr -> tx_thread_filex_ptr) -> fx_path_current_entry = 0; | |
| 114 | } | ||
| 115 | else | ||
| 116 | { | ||
| 117 | |||
| 118 | /* Use global default directory. Set the current entry to 0 in | ||
| 119 | order to pickup the first entry. */ | ||
| 120 | 50 | media_ptr -> fx_media_default_path.fx_path_current_entry = 0; | |
| 121 | } | ||
| 122 | #else | ||
| 123 | |||
| 124 | /* Set the current entry to 0 in order to pickup the first entry. */ | ||
| 125 | 40 | media_ptr -> fx_media_default_path.fx_path_current_entry = 0; | |
| 126 | #endif | ||
| 127 | |||
| 128 | /* Release media protection. */ | ||
| 129 | 60 | FX_UNPROTECT | |
| 130 | |||
| 131 | /* Call the next directory full entry service to pickup the first entry. */ | ||
| 132 | 100 | status = _fx_directory_next_full_entry_find(media_ptr, directory_name, attributes, | |
| 133 | size, year, month, day, hour, minute, second); | ||
| 134 | |||
| 135 | /* Return status to the caller. */ | ||
| 136 | 100 | return(status); | |
| 137 | } | ||
| 138 | |||
| 139 |