1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#include "precomp.h"
DAPI_(HRESULT) PathCanonicalizePath(
__in_z LPCWSTR wzPath,
__deref_out_z LPWSTR* psczCanonicalized
)
{
HRESULT hr = S_OK;
int cch = MAX_PATH + 1;
hr = StrAlloc(psczCanonicalized, cch);
ExitOnFailure(hr, "Failed to allocate string for the canonicalized path.");
if (::PathCanonicalizeW(*psczCanonicalized, wzPath))
{
hr = S_OK;
}
else
{
ExitFunctionWithLastError(hr);
}
LExit:
return hr;
}
DAPI_(HRESULT) PathDirectoryContainsPath(
__in_z LPCWSTR wzDirectory,
__in_z LPCWSTR wzPath
)
{
HRESULT hr = S_OK;
LPWSTR sczPath = NULL;
LPWSTR sczDirectory = NULL;
LPWSTR sczOriginalPath = NULL;
LPWSTR sczOriginalDirectory = NULL;
hr = PathCanonicalizePath(wzPath, &sczOriginalPath);
ExitOnFailure(hr, "Failed to canonicalize the path.");
hr = PathCanonicalizePath(wzDirectory, &sczOriginalDirectory);
ExitOnFailure(hr, "Failed to canonicalize the directory.");
if (!sczOriginalPath || !*sczOriginalPath)
{
ExitFunction1(hr = S_FALSE);
}
if (!sczOriginalDirectory || !*sczOriginalDirectory)
{
ExitFunction1(hr = S_FALSE);
}
sczPath = sczOriginalPath;
sczDirectory = sczOriginalDirectory;
for (; *sczDirectory;)
{
if (!*sczPath)
{
ExitFunction1(hr = S_FALSE);
}
if (CSTR_EQUAL != ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, sczDirectory, 1, sczPath, 1))
{
ExitFunction1(hr = S_FALSE);
}
++sczDirectory;
++sczPath;
}
--sczDirectory;
if (('\\' == *sczDirectory && *sczPath) || '\\' == *sczPath)
{
hr = S_OK;
}
else
{
hr = S_FALSE;
}
LExit:
ReleaseStr(sczOriginalPath);
ReleaseStr(sczOriginalDirectory);
return hr;
}
|
