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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/* $Id: RTPathParentLength.cpp $ */
/** @file
* IPRT - RTPathParentLength
*/
/*
* Copyright (C) 2019-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/path.h>
#include <iprt/assert.h>
#include <iprt/ctype.h>
#include <iprt/err.h>
#include <iprt/string.h>
#define RTPATH_TEMPLATE_CPP_H "RTPathParentLength.cpp.h"
#include "rtpath-expand-template.cpp.h"
RTDECL(size_t) RTPathParentLengthEx(const char *pszPath, uint32_t fFlags)
{
/*
* Input validation.
*/
AssertPtrReturn(pszPath, 0);
AssertReturn(*pszPath, 0);
AssertReturn(RTPATH_STR_F_IS_VALID(fFlags, 0), 0);
Assert(!(fFlags & RTPATH_STR_F_NO_END));
/*
* Invoke the worker for the selected path style.
*/
switch (fFlags & RTPATH_STR_F_STYLE_MASK)
{
#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
case RTPATH_STR_F_STYLE_HOST:
#endif
case RTPATH_STR_F_STYLE_DOS:
return rtPathParentLengthStyleDos(pszPath, fFlags);
#if RTPATH_STYLE != RTPATH_STR_F_STYLE_DOS
case RTPATH_STR_F_STYLE_HOST:
#endif
case RTPATH_STR_F_STYLE_UNIX:
return rtPathParentLengthStyleUnix(pszPath, fFlags);
default:
AssertFailedReturn(0); /* impossible */
}
}
/**
* Determins the length of the path specifying the parent directory, including
* trailing path separator (if present).
*
* @returns Parent directory part of the path, 0 if no parent.
* @param pszPath The path to examine.
*
* @note Currently ignores UNC and may therefore return the server or
* double-slash prefix as parent.
*/
RTDECL(size_t) RTPathParentLength(const char *pszPath)
{
#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
return rtPathParentLengthStyleDos(pszPath, 0);
#else
return rtPathParentLengthStyleUnix(pszPath, 0);
#endif
}
|
