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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"
FX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _fxe_unicode_short_name_get_extended PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the Unicode short name get */
/* service. */
/* */
/* 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_short_name_get_extended Actual unicode short name get */
/* service */
/* */
/* 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 _fxe_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, i;
/* Check for a NULL media or name pointers. */
if ((media_ptr == FX_NULL) || (source_unicode_name == FX_NULL) || (source_unicode_length == 0) || (destination_short_name == FX_NULL))
{
return(FX_PTR_ERROR);
}
/* Check for zero length buffer. */
if (short_name_buffer_length == 0)
{
return(FX_BUFFER_ERROR);
}
/* Check for a valid caller. */
FX_CALLER_CHECKING_CODE
/* Check unicode zero in source_unicode_name */
for (i = 0; i < (source_unicode_length << 1); i += 2)
{
if ((source_unicode_name[i] == 0) && (source_unicode_name[i + 1] == 0))
{
return(FX_INVALID_NAME);
}
}
/* Call actual Unicode short name get service. */
status = _fx_unicode_short_name_get_extended(media_ptr, source_unicode_name, source_unicode_length, destination_short_name, short_name_buffer_length);
/* Return status to the caller. */
return(status);
}