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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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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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FX_CALLER_CHECKING_EXTERNS |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _fxe_unicode_short_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 checks for errors in the Unicode short name get */ |
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/* service. */ |
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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_unicode_name Pointer to unicode name */ |
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/* source_unicode_length Length of unicode name */ |
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/* destination_short_name Pointer to destination name */ |
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/* short_name_buffer_length Buffer length of short 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_short_name_get_extended Actual unicode short name get */ |
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/* service */ |
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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 _fxe_unicode_short_name_get_extended(FX_MEDIA *media_ptr, UCHAR *source_unicode_name, ULONG source_unicode_length, |
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CHAR *destination_short_name, ULONG short_name_buffer_length) |
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{ |
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UINT status, i; |
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/* Check for a NULL media or name pointers. */ |
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✓✓✓✓
✓✓✓✓
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if ((media_ptr == FX_NULL) || (source_unicode_name == FX_NULL) || (source_unicode_length == 0) || (destination_short_name == FX_NULL)) |
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{ |
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return(FX_PTR_ERROR); |
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} |
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/* Check for zero length buffer. */ |
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✓✓ |
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if (short_name_buffer_length == 0) |
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{ |
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return(FX_BUFFER_ERROR); |
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} |
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/* Check for a valid caller. */ |
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✓✓✓✓
✓✓ |
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FX_CALLER_CHECKING_CODE |
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/* Check unicode zero in source_unicode_name */ |
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✓✓ |
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for (i = 0; i < (source_unicode_length << 1); i += 2) |
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{ |
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✓✓✓✓
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if ((source_unicode_name[i] == 0) && (source_unicode_name[i + 1] == 0)) |
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{ |
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return(FX_INVALID_NAME); |
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} |
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} |
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/* Call actual Unicode short name get service. */ |
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status = _fx_unicode_short_name_get_extended(media_ptr, source_unicode_name, source_unicode_length, destination_short_name, short_name_buffer_length); |
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/* Return status to the caller. */ |
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return(status); |
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} |
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