GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: fx_utility_32_unsigned_read.c Lines: 6 6 100.0 %
Date: 2024-03-11 05:15:45 Branches: 0 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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/**   Utility                                                             */
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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_system.h"
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#include "fx_utility.h"
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/**************************************************************************/
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/*                                                                        */
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/*  FUNCTION                                               RELEASE        */
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/*                                                                        */
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/*    _fx_utility_32_unsigned_read                        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 reads (with endian awareness) a 32-bit unsigned data  */
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/*    from the specified source and returns the value to the caller.      */
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/*                                                                        */
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/*  INPUT                                                                 */
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/*                                                                        */
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/*    source_ptr                            Source memory pointer         */
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/*                                                                        */
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/*  OUTPUT                                                                */
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/*                                                                        */
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/*    ULONG value                                                         */
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/*                                                                        */
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/*  CALLS                                                                 */
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/*                                                                        */
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/*    None                                                                */
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/*                                                                        */
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/*  CALLED BY                                                             */
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/*                                                                        */
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/*    FileX System Functions                                              */
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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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ULONG  _fx_utility_32_unsigned_read(UCHAR *source_ptr)
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{
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ULONG value;
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    /* Pickup the UINT from the destination with endian-awareness.  */
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    value =  ((((ULONG) *(source_ptr+3)) & 0xFF) << 24) |
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             ((((ULONG) *(source_ptr+2)) & 0xFF) << 16) |
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             ((((ULONG) *(source_ptr+1)) & 0xFF) << 8)  |
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              (((ULONG) *(source_ptr)) & 0xFF);
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    /* Return value to caller.  */
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    return(value);
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}
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