GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: fx_unicode_short_name_get_extended.c Lines: 11 11 100.0 %
Date: 2024-03-11 05:15:45 Branches: 2 2 100.0 %

Line Branch Exec Source
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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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/**************************************************************************/
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/*                                                                        */
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/*  FUNCTION                                               RELEASE        */
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/*                                                                        */
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/*    _fx_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 finds the short name associated with the supplied     */
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/*    unicode 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_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_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_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;
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ULONG        temp_unicode_length;
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FX_DIR_ENTRY dir_entry;
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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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    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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    /* Null terminate the short return name.  */
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    destination_short_name[0] =  (UCHAR)0;
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    /* Setup temporary unicode name length for search call.  */
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    temp_unicode_length =  source_unicode_length;
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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_SHORT_NAME_GET, media_ptr, source_unicode_name, source_unicode_length, destination_short_name, FX_TRACE_FILE_EVENTS, 0, 0)
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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 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 *)destination_short_name, short_name_buffer_length, source_unicode_name, &temp_unicode_length, 0);
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    /* Release media protection.  */
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    FX_UNPROTECT
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    /* Return successful completion status.  */
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    return(status);
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}
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