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/* $Id: path.h $ */
/** @file
* IPRT - RTPath Internal header.
*/
/*
* Copyright (C) 2006-2022 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
*/
#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 */
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