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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** FileX Component */
/** */
/** Unicode */
/** */
/**************************************************************************/
/**************************************************************************/
#define FX_SOURCE_CODE
/* Include necessary system files. */
#include "fx_api.h"
#include "fx_unicode.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _fx_unicode_short_name_get_extended PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function finds the short name associated with the supplied */
/* unicode name. */
/* */
/* INPUT */
/* */
/* media_ptr Pointer to media */
/* source_unicode_name Pointer to unicode name */
/* source_unicode_length Length of unicode name */
/* destination_short_name Pointer to destination name */
/* short_name_buffer_length Buffer length of short name */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _fx_unicode_directory_search Search for unicode name */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 William E. Lamie Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _fx_unicode_short_name_get_extended(FX_MEDIA *media_ptr, UCHAR *source_unicode_name, ULONG source_unicode_length,
CHAR *destination_short_name, ULONG short_name_buffer_length)
{
UINT status;
ULONG temp_unicode_length;
FX_DIR_ENTRY dir_entry;
/* Setup pointer to media name buffer. */
dir_entry.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN;
/* Clear the short name string. */
dir_entry.fx_dir_entry_short_name[0] = 0;
/* Check the media to make sure it is open. */
if (media_ptr -> fx_media_id != FX_MEDIA_ID)
{
/* Return the media not opened error. */
return(FX_MEDIA_NOT_OPEN);
}
#ifdef FX_ENABLE_EXFAT
/* Check if media format is exFAT. */
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
/* Return the not implemented error. */
return(FX_NOT_IMPLEMENTED);
}
#endif
/* Null terminate the short return name. */
destination_short_name[0] = (UCHAR)0;
/* Setup temporary unicode name length for search call. */
temp_unicode_length = source_unicode_length;
/* If trace is enabled, insert this event into the trace buffer. */
FX_TRACE_IN_LINE_INSERT(FX_TRACE_UNICODE_SHORT_NAME_GET, media_ptr, source_unicode_name, source_unicode_length, destination_short_name, FX_TRACE_FILE_EVENTS, 0, 0)
/* Protect against other threads accessing the media. */
FX_PROTECT
/* Search the system for the supplied short name and return the unicode name if there is a match. */
status = _fx_unicode_directory_search(media_ptr, &dir_entry, (UCHAR *)destination_short_name, short_name_buffer_length, source_unicode_name, &temp_unicode_length, 0);
/* Release media protection. */
FX_UNPROTECT
/* Return successful completion status. */
return(status);
}