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 /**   Directory                                                           */
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_directory.h"
29 
30 
31 FX_CALLER_CHECKING_EXTERNS
32 
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _fxe_directory_short_name_get_extended              PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    William E. Lamie, Microsoft Corporation                             */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function checks for errors in the short name get service.      */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    media_ptr                             Media control block pointer   */
51 /*    long_file_name                        Pointer to long (max 255) name*/
52 /*    short_file_name                       Pointer to short (8.3) name   */
53 /*    short_file_name_length                Buffer length for short name  */
54 /*                                                                        */
55 /*  OUTPUT                                                                */
56 /*                                                                        */
57 /*    return status                                                       */
58 /*                                                                        */
59 /*  CALLS                                                                 */
60 /*                                                                        */
61 /*    _fx_directory_short_name_get_extended Actual short name get 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_directory_short_name_get_extended(FX_MEDIA * media_ptr,CHAR * long_file_name,CHAR * short_file_name,UINT short_file_name_length)76 UINT  _fxe_directory_short_name_get_extended(FX_MEDIA *media_ptr, CHAR *long_file_name, CHAR *short_file_name, UINT short_file_name_length)
77 {
78 
79 UINT status;
80 
81 
82     /* Check for a NULL media or file name pointer.  */
83     if ((media_ptr == FX_NULL) || (short_file_name == FX_NULL) || (long_file_name == FX_NULL))
84     {
85         return(FX_PTR_ERROR);
86     }
87 
88     /* Check for zero length buffer.  */
89     if (short_file_name_length == 0)
90     {
91         return(FX_BUFFER_ERROR);
92     }
93 
94     /* Check for a valid caller.  */
95     FX_CALLER_CHECKING_CODE
96 
97     /* Call actual short name get service.  */
98     status =  _fx_directory_short_name_get_extended(media_ptr, long_file_name, short_file_name, short_file_name_length);
99 
100     /* Return status to the caller.  */
101     return(status);
102 }
103 
104