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 /* */
36 /* FUNCTION RELEASE */
37 /* */
38 /* _fxe_unicode_directory_rename 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 Unicode directory rename */
47 /* service. */
48 /* */
49 /* INPUT */
50 /* */
51 /* media_ptr Pointer to media */
52 /* old_unicode_name Pointer to old unicode name */
53 /* old_unicode_length Old unicode name length */
54 /* new_unicode_name Pointer to new unicode name */
55 /* new_unicode_length Old unicode name length */
56 /* new_short_name Pointer to new short name */
57 /* */
58 /* OUTPUT */
59 /* */
60 /* Completion Status */
61 /* */
62 /* CALLS */
63 /* */
64 /* _fx_unicode_directory_rename Actual Unicode directory */
65 /* rename service */
66 /* */
67 /* CALLED BY */
68 /* */
69 /* Application Code */
70 /* */
71 /* RELEASE HISTORY */
72 /* */
73 /* DATE NAME DESCRIPTION */
74 /* */
75 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
76 /* 09-30-2020 William E. Lamie Modified comment(s), */
77 /* resulting in version 6.1 */
78 /* */
79 /**************************************************************************/
_fxe_unicode_directory_rename(FX_MEDIA * media_ptr,UCHAR * old_unicode_name,ULONG old_unicode_length,UCHAR * new_unicode_name,ULONG new_unicode_length,CHAR * new_short_name)80 UINT _fxe_unicode_directory_rename(FX_MEDIA *media_ptr, UCHAR *old_unicode_name, ULONG old_unicode_length,
81 UCHAR *new_unicode_name, ULONG new_unicode_length, CHAR *new_short_name)
82 {
83
84 UINT status, i;
85
86
87 /* Check for a NULL media or name pointers. */
88 if ((media_ptr == FX_NULL) || (old_unicode_name == FX_NULL) || (old_unicode_length == 0) ||
89 (new_unicode_name == FX_NULL) || (new_unicode_length == 0) || (new_short_name == FX_NULL))
90 {
91 return(FX_PTR_ERROR);
92 }
93
94 /* Check for a valid caller. */
95 FX_CALLER_CHECKING_CODE
96
97 /* Check unicode zero in old_unicode_name */
98 for (i = 0; i < (old_unicode_length << 1); i += 2)
99 {
100 if ((old_unicode_name[i] == 0) && (old_unicode_name[i + 1] == 0))
101 {
102 return(FX_INVALID_NAME);
103 }
104 }
105
106 /* Check unicode zero in new_unicode_name */
107 for (i = 0; i < (new_unicode_length << 1); i += 2)
108 {
109 if ((new_unicode_name[i] == 0) && (new_unicode_name[i + 1] == 0))
110 {
111 return(FX_INVALID_NAME);
112 }
113 }
114
115 /* Call actual Unicode directory rename service. */
116 status = _fx_unicode_directory_rename(media_ptr, old_unicode_name, old_unicode_length, new_unicode_name, new_unicode_length, new_short_name);
117
118 /* Return status to the caller. */
119 return(status);
120 }
121
122
