| 1 | /* $Id: path.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTPath Internal header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef IPRT_INCLUDED_INTERNAL_path_h
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| 28 | #define IPRT_INCLUDED_INTERNAL_path_h
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| 29 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 30 | # pragma once
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| 31 | #endif
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| 32 |
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| 33 | #include <iprt/cdefs.h>
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| 34 | #include <iprt/param.h>
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| 35 |
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| 36 | RT_C_DECLS_BEGIN
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| 37 |
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| 38 | #if defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
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| 39 | # define HAVE_UNC 1
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| 40 | # define HAVE_DRIVE 1
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| 41 | #endif
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| 42 |
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| 43 | /** The name of the environment variable that is used to override the default
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| 44 | * codeset used when talking to the file systems. This is only available on
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| 45 | * Mac OS X and UNIX systems. */
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| 46 | #define RTPATH_CODESET_ENV_VAR "IPRT_PATH_CODESET"
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| 47 |
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| 48 |
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| 49 | DECLHIDDEN(size_t) rtPathRootSpecLen(const char *pszPath);
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| 50 | DECLHIDDEN(size_t) rtPathVolumeSpecLen(const char *pszPath);
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| 51 | DECLHIDDEN(int) rtPathPosixRename(const char *pszSrc, const char *pszDst, unsigned fRename, RTFMODE fFileType);
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| 52 | DECLHIDDEN(int) rtPathWin32MoveRename(const char *pszSrc, const char *pszDst, uint32_t fFlags, RTFMODE fFileType);
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| 53 |
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| 54 |
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| 55 | /**
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| 56 | * Converts a path from IPRT to native representation.
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| 57 | *
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| 58 | * This may involve querying filesystems what codeset they speak and so forth.
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| 59 | *
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| 60 | * @returns IPRT status code.
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| 61 | * @param ppszNativePath Where to store the pointer to the native path.
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| 62 | * Free by calling rtPathFreeHost(). NULL on failure.
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| 63 | * Can be the same as pszPath.
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| 64 | * @param pszPath The path to convert.
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| 65 | * @param pszBasePath What pszPath is relative to. NULL if current
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| 66 | * directory.
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| 67 | *
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| 68 | * @remark This function is not available on hosts using something else than
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| 69 | * byte sequences as names (eg win32).
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| 70 | */
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| 71 | int rtPathToNative(char const **ppszNativePath, const char *pszPath, const char *pszBasePath);
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| 72 |
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| 73 | /**
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| 74 | * Frees a native path returned by rtPathToNative() or rtPathToNativeEx().
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| 75 | *
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| 76 | * @param pszNativePath The host path to free. NULL allowed.
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| 77 | * @param pszPath The original path. This is for checking if
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| 78 | * rtPathToNative returned the pointer to the original.
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| 79 | *
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| 80 | * @remark This function is not available on hosts using something else than
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| 81 | * byte sequences as names (eg win32).
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| 82 | */
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| 83 | void rtPathFreeNative(char const *pszNativePath, const char *pszPath);
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| 84 |
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| 85 | /**
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| 86 | * Converts a path from the native to the IPRT representation.
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| 87 | *
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| 88 | * @returns IPRT status code.
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| 89 | * @param ppszPath Where to store the pointer to the IPRT path.
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| 90 | * Free by calling rtPathFreeIprt(). NULL on failure.
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| 91 | * @param pszNativePath The native path to convert.
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| 92 | * @param pszBasePath What pszNativePath is relative to - in IPRT
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| 93 | * representation. NULL if current directory.
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| 94 | *
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| 95 | * @remark This function is not available on hosts using something else than
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| 96 | * byte sequences as names (eg win32).
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| 97 | */
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| 98 | int rtPathFromNative(const char **ppszPath, const char *pszNativePath, const char *pszBasePath);
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| 99 |
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| 100 | /**
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| 101 | * Frees a path returned by rtPathFromNative or rtPathFromNativeEx.
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| 102 | *
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| 103 | * @param pszPath The returned path.
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| 104 | * @param pszNativePath The original path.
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| 105 | */
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| 106 | void rtPathFreeIprt(const char *pszPath, const char *pszNativePath);
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| 107 |
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| 108 | /**
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| 109 | * Convert a path from the native representation to the IPRT one, using the
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| 110 | * specified path buffer.
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| 111 | *
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| 112 | * @returns VINF_SUCCESS, VERR_BUFFER_OVERFLOW, and recoding errors.
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| 113 | *
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| 114 | * @param pszPath The output buffer.
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| 115 | * @param cbPath The size of the output buffer.
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| 116 | * @param pszNativePath The path to convert.
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| 117 | * @param pszBasePath What pszNativePath is relative to - in IPRT
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| 118 | * representation. NULL if current directory.
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| 119 | */
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| 120 | int rtPathFromNativeCopy(char *pszPath, size_t cbPath, const char *pszNativePath, const char *pszBasePath);
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| 121 |
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| 122 | /**
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| 123 | * Convert a path from the native representation to the IPRT one, allocating a
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| 124 | * string buffer for the result.
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| 125 | *
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| 126 | * @returns VINF_SUCCESS, VERR_NO_STR_MEMORY, and recoding errors.
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| 127 | *
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| 128 | * @param ppszPath Where to return the pointer to the IPRT path. Must
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| 129 | * be freed by calling RTStrFree.
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| 130 | * @param pszNativePath The path to convert.
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| 131 | * @param pszBasePath What pszNativePath is relative to - in IPRT
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| 132 | * representation. NULL if current directory.
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| 133 | */
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| 134 | int rtPathFromNativeDup(char **ppszPath, const char *pszNativePath, const char *pszBasePath);
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| 135 |
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| 136 |
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| 137 | #if defined(RT_OS_WINDOWS) && defined(IPRT_INCLUDED_fs_h) && defined(UNICODE_NULL)
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| 138 | DECLHIDDEN(int) rtPathNtQueryInfoWorker(HANDLE hRootDir, struct _UNICODE_STRING *pNtName, PRTFSOBJINFO pObjInfo,
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| 139 | RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags, const char *pszPath);
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| 140 | DECLHIDDEN(int) rtPathNtQueryInfoFromHandle(HANDLE hFile, void *pvBuf, size_t cbBuf, PRTFSOBJINFO pObjInfo,
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| 141 | RTFSOBJATTRADD enmAddAttr, const char *pszPath, ULONG uReparseTag);
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| 142 | #endif
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| 143 |
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| 144 |
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| 145 | RT_C_DECLS_END
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| 146 |
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| 147 | #endif /* !IPRT_INCLUDED_INTERNAL_path_h */
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| 148 |
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