GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: fxe_unicode_directory_rename.c Lines: 13 13 100.0 %
Date: 2024-03-11 05:15:45 Branches: 30 30 100.0 %

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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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_directory_rename                       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 directory rename     */
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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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/*    old_unicode_name                      Pointer to old unicode name   */
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/*    old_unicode_length                    Old unicode name length       */
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/*    new_unicode_name                      Pointer to new unicode name   */
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/*    new_unicode_length                    Old unicode name length       */
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/*    new_short_name                        Pointer to new 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_rename          Actual Unicode directory      */
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/*                                            rename 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_directory_rename(FX_MEDIA *media_ptr, UCHAR *old_unicode_name, ULONG old_unicode_length,
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                                    UCHAR *new_unicode_name, ULONG new_unicode_length, CHAR *new_short_name)
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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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    if ((media_ptr == FX_NULL) || (old_unicode_name == FX_NULL) || (old_unicode_length == 0) ||
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        (new_unicode_name == FX_NULL) || (new_unicode_length == 0) || (new_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 a valid caller.  */
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    FX_CALLER_CHECKING_CODE
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    /* Check unicode zero in old_unicode_name */
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    for (i = 0; i < (old_unicode_length << 1); i += 2)
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    {
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        if ((old_unicode_name[i] == 0) && (old_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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    /* Check unicode zero in new_unicode_name */
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    for (i = 0; i < (new_unicode_length << 1); i += 2)
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    {
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        if ((new_unicode_name[i] == 0) && (new_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 directory rename service.  */
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    status =  _fx_unicode_directory_rename(media_ptr, old_unicode_name, old_unicode_length, new_unicode_name, new_unicode_length, new_short_name);
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    /* Return status to the caller.  */
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    return(status);
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}
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