1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** FileX Component */
16 /** */
17 /** Utility */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define FX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "fx_api.h"
28 #include "fx_system.h"
29 #include "fx_utility.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _fx_utility_32_unsigned_write PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* William E. Lamie, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function writes (with endian awareness) a 32-bit unsigned data */
45 /* type to the specified destination. */
46 /* */
47 /* INPUT */
48 /* */
49 /* dest_ptr Destination memory pointer */
50 /* value Value to write to memory */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* None */
55 /* */
56 /* CALLS */
57 /* */
58 /* None */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* FileX System Functions */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
69 /* 09-30-2020 William E. Lamie Modified comment(s), */
70 /* resulting in version 6.1 */
71 /* */
72 /**************************************************************************/
_fx_utility_32_unsigned_write(UCHAR * dest_ptr,ULONG value)73 VOID _fx_utility_32_unsigned_write(UCHAR *dest_ptr, ULONG value)
74 {
75
76 /* Store the UINT into the destination with endian-awareness. */
77 *(dest_ptr) = (UCHAR)(value & 0xFF);
78 *(dest_ptr + 1) = (UCHAR)((value >> 8) & 0xFF);
79 *(dest_ptr + 2) = (UCHAR)((value >> 16) & 0xFF);
80 *(dest_ptr + 3) = (UCHAR)((value >> 24) & 0xFF);
81 }
82
83
