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 /** System Management (System) */
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
29 /**************************************************************************/
30 /* */
31 /* FUNCTION RELEASE */
32 /* */
33 /* _gxe_system_screen_stack_create PORTABLE C */
34 /* 6.1 */
35 /* AUTHOR */
36 /* */
37 /* Kenneth Maxwell, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function checks errors in the system screen stack create */
42 /* function. */
43 /* */
44 /* INPUT */
45 /* */
46 /* memory Memory address at which to */
47 /* create system screen stack. */
48 /* size Memory size in bytes. */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* _gx_system_screen_stack_create The actual screen stack */
57 /* create routine */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
68 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* */
71 /**************************************************************************/
_gxe_system_screen_stack_create(GX_WIDGET ** memory,INT size,UINT control_block_size)72 UINT _gxe_system_screen_stack_create(GX_WIDGET **memory, INT size, UINT control_block_size)
73 {
74 UINT status;
75
76 /* Check for invalid input pointers. */
77 if ((memory == GX_NULL))
78 {
79 return(GX_PTR_ERROR);
80 }
81
82 /* Check for invalid value. */
83 if (size <= 0)
84 {
85 return(GX_INVALID_VALUE);
86 }
87
88 /* Check for invalid control block size. */
89 if (control_block_size != sizeof(GX_SCREEN_STACK_CONTROL))
90 {
91 return(GX_INVALID_SIZE);
92 }
93
94 /* Call actual screen stack create function. */
95 status = _gx_system_screen_stack_create(memory, size);
96
97 /* Return the error status from screen stack create. */
98 return(status);
99 }
100
101
