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 /**   File                                                                */
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_file.h"
29 
30 FX_CALLER_CHECKING_EXTERNS
31 
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _fxe_file_extended_best_effort_allocate             PORTABLE C      */
38 /*                                                           6.1          */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    William E. Lamie, Microsoft Corporation                             */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function checks for errors in the file best effort allocate    */
46 /*    service.                                                            */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    file_ptr                              File control block pointer    */
51 /*    size                                  Number of bytes to allocate   */
52 /*    actual_size_allocated                 Number of bytes allocated     */
53 /*                                                                        */
54 /*  OUTPUT                                                                */
55 /*                                                                        */
56 /*    return status                                                       */
57 /*                                                                        */
58 /*  CALLS                                                                 */
59 /*                                                                        */
60 /*    _fx_file_extended_best_effort_allocate Actual best effort file      */
61 /*                                            allocate service            */
62 /*                                                                        */
63 /*  CALLED BY                                                             */
64 /*                                                                        */
65 /*    Application Code                                                    */
66 /*                                                                        */
67 /*  RELEASE HISTORY                                                       */
68 /*                                                                        */
69 /*    DATE              NAME                      DESCRIPTION             */
70 /*                                                                        */
71 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
72 /*  09-30-2020     William E. Lamie         Modified comment(s),          */
73 /*                                            resulting in version 6.1    */
74 /*                                                                        */
75 /**************************************************************************/
_fxe_file_extended_best_effort_allocate(FX_FILE * file_ptr,ULONG64 size,ULONG64 * actual_size_allocated)76 UINT  _fxe_file_extended_best_effort_allocate(FX_FILE *file_ptr, ULONG64 size, ULONG64 *actual_size_allocated)
77 {
78 
79 UINT status;
80 
81 
82     /* Check for a null file pointer.  */
83     if ((file_ptr == FX_NULL) || (actual_size_allocated == FX_NULL))
84     {
85         return(FX_PTR_ERROR);
86     }
87 
88     /* Check for a valid caller.  */
89     FX_CALLER_CHECKING_CODE
90 
91     /* Call actual best effort file allocate service.  */
92     status =  _fx_file_extended_best_effort_allocate(file_ptr, size, actual_size_allocated);
93 
94     /* Return status to the caller.  */
95     return(status);
96 }
97 
98