1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** GUIX Component */
17 /** */
18 /** Widget Management (Widget) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_system.h"
29 #include "gx_widget.h"
30 #include "gx_utility.h"
31
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gx_widget_allocate PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function allocates memory for a widget control block */
46 /* */
47 /* INPUT */
48 /* */
49 /* widget Return pointer for widget */
50 /* control block. */
51 /* memsize Size of control block. */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* status Completion status */
56 /* */
57 /* CALLS */
58 /* */
59 /* _gx_system_memory_allocator allocate memory */
60 /* memset */
61 /* */
62 /* CALLED BY */
63 /* */
64 /* Application Code */
65 /* GUIX Internal Code */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
72 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
73 /* resulting in version 6.1 */
74 /* */
75 /**************************************************************************/
_gx_widget_allocate(GX_WIDGET ** widget,ULONG memsize)76 UINT _gx_widget_allocate(GX_WIDGET **widget, ULONG memsize)
77 {
78 void *mem;
79
80 mem = _gx_system_memory_allocator(memsize);
81
82 if (!mem)
83 {
84 return GX_SYSTEM_MEMORY_ERROR;
85 }
86
87 *widget = (GX_WIDGET *)mem;
88 memset(mem, 0, memsize);
89
90 return GX_SUCCESS;
91 }
92
93
