summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/include/internal/path.h
blob: 8c0c74e4cdfba26be206ad929b4e1bd178bdf09a (plain)
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/* $Id: path.h $ */
/** @file
 * IPRT - RTPath Internal header.
 */

/*
 * Copyright (C) 2006-2019 Oracle Corporation
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
 * VirtualBox OSE 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.
 */

#ifndef IPRT_INCLUDED_INTERNAL_path_h
#define IPRT_INCLUDED_INTERNAL_path_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif

#include <iprt/cdefs.h>
#include <iprt/param.h>

RT_C_DECLS_BEGIN

#if defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
# define HAVE_UNC 1
# define HAVE_DRIVE 1
#endif

/** The name of the environment variable that is used to override the default
 * codeset used when talking to the file systems.  This is only available on
 * Mac OS X and UNIX systems. */
#define RTPATH_CODESET_ENV_VAR          "IPRT_PATH_CODESET"


DECLHIDDEN(size_t)  rtPathRootSpecLen(const char *pszPath);
DECLHIDDEN(size_t)  rtPathVolumeSpecLen(const char *pszPath);
DECLHIDDEN(int)     rtPathPosixRename(const char *pszSrc, const char *pszDst, unsigned fRename, RTFMODE fFileType);
DECLHIDDEN(int)     rtPathWin32MoveRename(const char *pszSrc, const char *pszDst, uint32_t fFlags, RTFMODE fFileType);


/**
 * Converts a path from IPRT to native representation.
 *
 * This may involve querying filesystems what codeset they speak and so forth.
 *
 * @returns IPRT status code.
 * @param   ppszNativePath  Where to store the pointer to the native path.
 *                          Free by calling rtPathFreeHost(). NULL on failure.
 *                          Can be the same as pszPath.
 * @param   pszPath         The path to convert.
 * @param   pszBasePath     What pszPath is relative to.  NULL if current
 *                          directory.
 *
 * @remark  This function is not available on hosts using something else than
 *          byte sequences as names (eg win32).
 */
int rtPathToNative(char const **ppszNativePath, const char *pszPath, const char *pszBasePath);

/**
 * Frees a native path returned by rtPathToNative() or rtPathToNativeEx().
 *
 * @param   pszNativePath   The host path to free. NULL allowed.
 * @param   pszPath         The original path.  This is for checking if
 *                          rtPathToNative returned the pointer to the original.
 *
 * @remark  This function is not available on hosts using something else than
 *          byte sequences as names (eg win32).
 */
void rtPathFreeNative(char const *pszNativePath, const char *pszPath);

/**
 * Converts a path from the native to the IPRT representation.
 *
 * @returns IPRT status code.
 * @param   ppszPath        Where to store the pointer to the IPRT path.
 *                          Free by calling rtPathFreeIprt(). NULL on failure.
 * @param   pszNativePath   The native path to convert.
 * @param   pszBasePath     What pszNativePath is relative to - in IPRT
 *                          representation.  NULL if current directory.
 *
 * @remark  This function is not available on hosts using something else than
 *          byte sequences as names (eg win32).
 */
int rtPathFromNative(const char **ppszPath, const char *pszNativePath, const char *pszBasePath);

/**
 * Frees a path returned by rtPathFromNative or rtPathFromNativeEx.
 *
 * @param   pszPath         The returned path.
 * @param   pszNativePath   The original path.
 */
void rtPathFreeIprt(const char *pszPath, const char *pszNativePath);

/**
 * Convert a path from the native representation to the IPRT one, using the
 * specified path buffer.
 *
 * @returns VINF_SUCCESS, VERR_BUFFER_OVERFLOW, and recoding errors.
 *
 * @param   pszPath         The output buffer.
 * @param   cbPath          The size of the output buffer.
 * @param   pszNativePath   The path to convert.
 * @param   pszBasePath     What pszNativePath is relative to - in IPRT
 *                          representation.  NULL if current directory.
 */
int rtPathFromNativeCopy(char *pszPath, size_t cbPath, const char *pszNativePath, const char *pszBasePath);

/**
 * Convert a path from the native representation to the IPRT one, allocating a
 * string buffer for the result.
 *
 * @returns VINF_SUCCESS, VERR_NO_STR_MEMORY, and recoding errors.
 *
 * @param   ppszPath        Where to return the pointer to the IPRT path.  Must
 *                          be freed by calling RTStrFree.
 * @param   pszNativePath   The path to convert.
 * @param   pszBasePath     What pszNativePath is relative to - in IPRT
 *                          representation.  NULL if current directory.
 */
int rtPathFromNativeDup(char **ppszPath, const char *pszNativePath, const char *pszBasePath);


#if defined(RT_OS_WINDOWS) && defined(IPRT_INCLUDED_fs_h) && defined(UNICODE_NULL)
DECLHIDDEN(int) rtPathNtQueryInfoWorker(HANDLE hRootDir, struct _UNICODE_STRING *pNtName, PRTFSOBJINFO pObjInfo,
                                        RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags, const char *pszPath);
DECLHIDDEN(int) rtPathNtQueryInfoFromHandle(HANDLE hFile, void *pvBuf, size_t cbBuf, PRTFSOBJINFO pObjInfo,
                                            RTFSOBJATTRADD enmAddAttr, const char *pszPath, ULONG uReparseTag);
#endif


RT_C_DECLS_END

#endif /* !IPRT_INCLUDED_INTERNAL_path_h */