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 /** GUIX Component */
16 /** */
17 /** Widget Management (Widget) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_system.h"
28 #include "gx_widget.h"
29 #include "gx_utility.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _gx_widget_allocate PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Kenneth Maxwell, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function allocates memory for a widget control block */
45 /* */
46 /* INPUT */
47 /* */
48 /* widget Return pointer for widget */
49 /* control block. */
50 /* memsize Size of control block. */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* status Completion status */
55 /* */
56 /* CALLS */
57 /* */
58 /* _gx_system_memory_allocator allocate memory */
59 /* memset */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application Code */
64 /* GUIX Internal Code */
65 /* */
66 /* RELEASE HISTORY */
67 /* */
68 /* DATE NAME DESCRIPTION */
69 /* */
70 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
71 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
72 /* resulting in version 6.1 */
73 /* */
74 /**************************************************************************/
_gx_widget_allocate(GX_WIDGET ** widget,ULONG memsize)75 UINT _gx_widget_allocate(GX_WIDGET **widget, ULONG memsize)
76 {
77 void *mem;
78
79 mem = _gx_system_memory_allocator(memsize);
80
81 if (!mem)
82 {
83 return GX_SYSTEM_MEMORY_ERROR;
84 }
85
86 *widget = (GX_WIDGET *)mem;
87 memset(mem, 0, memsize);
88
89 return GX_SUCCESS;
90 }
91
92