fx_directory_name_test.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_file.h" | ||
| 32 | #include "fx_utility.h" | ||
| 33 | |||
| 34 | |||
| 35 | /**************************************************************************/ | ||
| 36 | /* */ | ||
| 37 | /* FUNCTION RELEASE */ | ||
| 38 | /* */ | ||
| 39 | /* _fx_directory_name_test PORTABLE C */ | ||
| 40 | /* 6.1 */ | ||
| 41 | /* AUTHOR */ | ||
| 42 | /* */ | ||
| 43 | /* William E. Lamie, Microsoft Corporation */ | ||
| 44 | /* */ | ||
| 45 | /* DESCRIPTION */ | ||
| 46 | /* */ | ||
| 47 | /* This function first attempts to find the specified directory name. */ | ||
| 48 | /* If found, the attributes are checked to see if the entry is a */ | ||
| 49 | /* directory. If not, the appropriate error code is returned to the */ | ||
| 50 | /* caller. */ | ||
| 51 | /* */ | ||
| 52 | /* INPUT */ | ||
| 53 | /* */ | ||
| 54 | /* media_ptr Media control block pointer */ | ||
| 55 | /* directory_name Directory name pointer */ | ||
| 56 | /* */ | ||
| 57 | /* OUTPUT */ | ||
| 58 | /* */ | ||
| 59 | /* return status */ | ||
| 60 | /* */ | ||
| 61 | /* CALLS */ | ||
| 62 | /* */ | ||
| 63 | /* _fx_directory_search Search for the file name in */ | ||
| 64 | /* the directory structure */ | ||
| 65 | /* */ | ||
| 66 | /* CALLED BY */ | ||
| 67 | /* */ | ||
| 68 | /* Application Code */ | ||
| 69 | /* */ | ||
| 70 | /**************************************************************************/ | ||
| 71 | 10557 | UINT _fx_directory_name_test(FX_MEDIA *media_ptr, CHAR *directory_name) | |
| 72 | { | ||
| 73 | |||
| 74 | UINT status; | ||
| 75 | FX_DIR_ENTRY dir_entry; | ||
| 76 | |||
| 77 | |||
| 78 | #ifndef FX_MEDIA_STATISTICS_DISABLE | ||
| 79 | |||
| 80 | /* Increment the number of times this service has been called. */ | ||
| 81 | 10557 | media_ptr -> fx_media_directory_name_tests++; | |
| 82 | #endif | ||
| 83 | |||
| 84 | /* Setup pointer to media name buffer. */ | ||
| 85 | 10557 | dir_entry.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN; | |
| 86 | |||
| 87 | /* Clear the short name string. */ | ||
| 88 | 10557 | dir_entry.fx_dir_entry_short_name[0] = 0; | |
| 89 | |||
| 90 | /* Check the media to make sure it is open. */ | ||
| 91 |
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10557 | if (media_ptr -> fx_media_id != FX_MEDIA_ID) |
| 92 | { | ||
| 93 | |||
| 94 | /* Return the media not opened error. */ | ||
| 95 | 9 | return(FX_MEDIA_NOT_OPEN); | |
| 96 | } | ||
| 97 | |||
| 98 | /* If trace is enabled, insert this event into the trace buffer. */ | ||
| 99 | FX_TRACE_IN_LINE_INSERT(FX_TRACE_DIRECTORY_NAME_TEST, media_ptr, directory_name, 0, 0, FX_TRACE_DIRECTORY_EVENTS, 0, 0) | ||
| 100 | |||
| 101 | /* Protect against other threads accessing the media. */ | ||
| 102 | 10058 | FX_PROTECT | |
| 103 | |||
| 104 | /* Search the system for the supplied directory name. */ | ||
| 105 | 10548 | status = _fx_directory_search(media_ptr, directory_name, &dir_entry, FX_NULL, FX_NULL); | |
| 106 | |||
| 107 | /* Determine if the search was successful. */ | ||
| 108 |
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10548 | if (status != FX_SUCCESS) |
| 109 | { | ||
| 110 | |||
| 111 | /* Release media protection. */ | ||
| 112 | 5 | FX_UNPROTECT | |
| 113 | |||
| 114 | /* Return the error code. */ | ||
| 115 | 9 | return(status); | |
| 116 | } | ||
| 117 | |||
| 118 | /* Check to see if the entry is a directory. */ | ||
| 119 |
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10539 | if (!(dir_entry.fx_dir_entry_attributes & (UCHAR)FX_DIRECTORY)) |
| 120 | { | ||
| 121 | |||
| 122 | /* Release media protection. */ | ||
| 123 | 240 | FX_UNPROTECT | |
| 124 | |||
| 125 | /* Return the not a directory error code. */ | ||
| 126 | 240 | return(FX_NOT_DIRECTORY); | |
| 127 | } | ||
| 128 | |||
| 129 | /* Release media protection. */ | ||
| 130 | 9813 | FX_UNPROTECT | |
| 131 | |||
| 132 | /* Directory name test is complete, return successful status. */ | ||
| 133 | 10299 | return(FX_SUCCESS); | |
| 134 | } | ||
| 135 | |||
| 136 |