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/**************************************************************************/ |
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/* */ |
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/* Copyright (c) Microsoft Corporation. All rights reserved. */ |
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/* */ |
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/* This software is licensed under the Microsoft Software License */ |
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */ |
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ |
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/* and in the root directory of this software. */ |
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/* */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** FileX Component */ |
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/** */ |
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/** Unicode */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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#define FX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "fx_api.h" |
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#include "fx_unicode.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _fx_unicode_name_get_extended PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* William E. Lamie, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function finds the unicode name associated with the supplied */ |
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/* short 8.3 name. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* media_ptr Pointer to media */ |
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/* source_short_name Pointer to short file name */ |
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/* destination_unicode_name Pointer to destination name */ |
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/* destination_unicode_length Destination for name length */ |
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/* unicode_name_buffer_length Buffer length of unicode name */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* Completion Status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _fx_unicode_directory_search Search for unicode name */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */ |
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/* 09-30-2020 William E. Lamie Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _fx_unicode_name_get_extended(FX_MEDIA *media_ptr, CHAR *source_short_name, |
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UCHAR *destination_unicode_name, ULONG *destination_unicode_length, ULONG unicode_name_buffer_length) |
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{ |
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UINT status; |
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FX_DIR_ENTRY dir_entry; |
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#ifdef TX_ENABLE_EVENT_TRACE |
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TX_TRACE_BUFFER_ENTRY *trace_event; |
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ULONG trace_timestamp; |
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#endif |
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/* Setup pointer to media name buffer. */ |
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dir_entry.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN; |
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/* Clear the short name string. */ |
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dir_entry.fx_dir_entry_short_name[0] = 0; |
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/* Check the media to make sure it is open. */ |
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✓✓ |
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if (media_ptr -> fx_media_id != FX_MEDIA_ID) |
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{ |
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/* Return the media not opened error. */ |
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return(FX_MEDIA_NOT_OPEN); |
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} |
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#ifdef FX_ENABLE_EXFAT |
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/* Check if media format is exFAT. */ |
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if (media_ptr -> fx_media_FAT_type == FX_exFAT) |
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{ |
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/* Return the not implemented error. */ |
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return(FX_NOT_IMPLEMENTED); |
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} |
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#endif |
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/* Set the destination unicode length to zero to indicate there is nothing in terms of a match. */ |
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*destination_unicode_length = 0; |
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/* If trace is enabled, insert this event into the trace buffer. */ |
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FX_TRACE_IN_LINE_INSERT(FX_TRACE_UNICODE_NAME_GET, media_ptr, source_short_name, destination_unicode_name, 0, FX_TRACE_FILE_EVENTS, &trace_event, &trace_timestamp) |
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/* Protect against other threads accessing the media. */ |
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FX_PROTECT |
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/* Search the system for the supplied short file name and return the unicode name if there is a match. */ |
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status = _fx_unicode_directory_search(media_ptr, &dir_entry, (UCHAR *)source_short_name, 0, destination_unicode_name, destination_unicode_length, unicode_name_buffer_length); |
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/* Determine if the search was successful. */ |
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✓✓ |
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if (status != FX_SUCCESS) |
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{ |
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/* Release media protection. */ |
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FX_UNPROTECT |
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/* Return the error code. */ |
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return(status); |
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} |
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/* Release media protection. */ |
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FX_UNPROTECT |
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/* Update the trace event with the unicode length. */ |
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FX_TRACE_EVENT_UPDATE(trace_event, trace_timestamp, FX_TRACE_UNICODE_NAME_GET, 0, 0, 0, *destination_unicode_length) |
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/* Return successful completion status. */ |
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return(FX_SUCCESS); |
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} |
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