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 /** Unicode */
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_unicode.h"
29
30
31 FX_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _fxe_unicode_short_name_get 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 Unicode short name get */
46 /* service. */
47 /* */
48 /* INPUT */
49 /* */
50 /* media_ptr Pointer to media */
51 /* source_unicode_name Pointer to unicode name */
52 /* source_unicode_length Length of unicode name */
53 /* destination_short_name Pointer to destination name */
54 /* */
55 /* OUTPUT */
56 /* */
57 /* Completion Status */
58 /* */
59 /* CALLS */
60 /* */
61 /* _fx_unicode_short_name_get Actual unicode short name get */
62 /* service */
63 /* */
64 /* CALLED BY */
65 /* */
66 /* Application Code */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
73 /* 09-30-2020 William E. Lamie Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* */
76 /**************************************************************************/
_fxe_unicode_short_name_get(FX_MEDIA * media_ptr,UCHAR * source_unicode_name,ULONG source_unicode_length,CHAR * destination_short_name)77 UINT _fxe_unicode_short_name_get(FX_MEDIA *media_ptr, UCHAR *source_unicode_name, ULONG source_unicode_length,
78 CHAR *destination_short_name)
79 {
80
81 UINT status, i;
82
83
84 /* Check for a NULL media or name pointers. */
85 if ((media_ptr == FX_NULL) || (source_unicode_name == FX_NULL) || (source_unicode_length == 0) || (destination_short_name == FX_NULL))
86 {
87 return(FX_PTR_ERROR);
88 }
89
90 /* Check for a valid caller. */
91 FX_CALLER_CHECKING_CODE
92
93 /* Check unicode zero in source_unicode_name */
94 for (i = 0; i < (source_unicode_length << 1); i += 2)
95 {
96 if ((source_unicode_name[i] == 0) && (source_unicode_name[i + 1] == 0))
97 {
98 return(FX_INVALID_NAME);
99 }
100 }
101
102 /* Call actual Unicode short name get service. */
103 status = _fx_unicode_short_name_get(media_ptr, source_unicode_name, source_unicode_length, destination_short_name);
104
105 /* Return status to the caller. */
106 return(status);
107 }
108
109
