diff options
Diffstat (limited to 'src/VBox/Runtime/r3/posix/fs2-posix.cpp')
| -rw-r--r-- | src/VBox/Runtime/r3/posix/fs2-posix.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/posix/fs2-posix.cpp b/src/VBox/Runtime/r3/posix/fs2-posix.cpp new file mode 100644 index 00000000..adbdecfe --- /dev/null +++ b/src/VBox/Runtime/r3/posix/fs2-posix.cpp @@ -0,0 +1,165 @@ +/* $Id: fs2-posix.cpp $ */ +/** @file + * IPRT - File System Helpers, POSIX, Part 2. + */ + +/* + * Copyright (C) 2006-2023 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 * +*********************************************************************************************************************************/ +#define RTTIME_INCL_TIMESPEC +#include <sys/time.h> +#include <sys/param.h> +#ifndef DEV_BSIZE +# include <sys/stat.h> +# if defined(RT_OS_HAIKU) && !defined(S_BLKSIZE) +# define S_BLKSIZE 512 +# endif +# define DEV_BSIZE S_BLKSIZE /** @todo bird: add DEV_BSIZE to sys/param.h on OS/2. */ +#endif + +#include <iprt/fs.h> +#include "internal/iprt.h" + +#include <iprt/assert.h> +#include <iprt/time.h> +#include "internal/fs.h" + + +/** + * Internal worker function which setups RTFSOBJINFO based on a UNIX stat struct. + * + * @param pObjInfo The file system object info structure to setup. + * @param pStat The stat structure to use. + * @param pszName The filename which this applies to (exe/hidden check). + * @param cbName The length of that filename. (optional, set 0) + */ +void rtFsConvertStatToObjInfo(PRTFSOBJINFO pObjInfo, const struct stat *pStat, const char *pszName, unsigned cbName) +{ + pObjInfo->cbObject = pStat->st_size; + pObjInfo->cbAllocated = pStat->st_blocks * DEV_BSIZE; + +#ifdef HAVE_STAT_NSEC + RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->AccessTime, pStat->st_atime), pStat->st_atimensec); + RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->ModificationTime, pStat->st_mtime), pStat->st_mtimensec); + RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->ChangeTime, pStat->st_ctime), pStat->st_ctimensec); +# ifdef HAVE_STAT_BIRTHTIME + RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->BirthTime, pStat->st_birthtime), pStat->st_birthtimensec); +# endif + +#elif defined(HAVE_STAT_TIMESPEC_BRIEF) + RTTimeSpecSetTimespec(&pObjInfo->AccessTime, &pStat->st_atim); + RTTimeSpecSetTimespec(&pObjInfo->ModificationTime, &pStat->st_mtim); + RTTimeSpecSetTimespec(&pObjInfo->ChangeTime, &pStat->st_ctim); +# ifdef HAVE_STAT_BIRTHTIME + RTTimeSpecSetTimespec(&pObjInfo->BirthTime, &pStat->st_birthtim); +# endif + +#elif defined(HAVE_STAT_TIMESPEC) + RTTimeSpecSetTimespec(&pObjInfo->AccessTime, pStat->st_atimespec); + RTTimeSpecSetTimespec(&pObjInfo->ModificationTime, pStat->st_mtimespec); + RTTimeSpecSetTimespec(&pObjInfo->ChangeTime, pStat->st_ctimespec); +# ifdef HAVE_STAT_BIRTHTIME + RTTimeSpecSetTimespec(&pObjInfo->BirthTime, pStat->st_birthtimespec); +# endif + +#else /* just the normal stuff */ + RTTimeSpecSetSeconds(&pObjInfo->AccessTime, pStat->st_atime); + RTTimeSpecSetSeconds(&pObjInfo->ModificationTime, pStat->st_mtime); + RTTimeSpecSetSeconds(&pObjInfo->ChangeTime, pStat->st_ctime); +# ifdef HAVE_STAT_BIRTHTIME + RTTimeSpecSetSeconds(&pObjInfo->BirthTime, pStat->st_birthtime); +# endif +#endif +#ifndef HAVE_STAT_BIRTHTIME + pObjInfo->BirthTime = pObjInfo->ChangeTime; +#endif + + /* the file mode */ + RTFMODE fMode = pStat->st_mode & RTFS_UNIX_MASK; + Assert(RTFS_UNIX_ISUID == S_ISUID); + Assert(RTFS_UNIX_ISGID == S_ISGID); +#ifdef S_ISTXT + Assert(RTFS_UNIX_ISTXT == S_ISTXT); +#elif defined(S_ISVTX) + Assert(RTFS_UNIX_ISTXT == S_ISVTX); +#else +#error "S_ISVTX / S_ISTXT isn't defined" +#endif + Assert(RTFS_UNIX_IRWXU == S_IRWXU); + Assert(RTFS_UNIX_IRUSR == S_IRUSR); + Assert(RTFS_UNIX_IWUSR == S_IWUSR); + Assert(RTFS_UNIX_IXUSR == S_IXUSR); + Assert(RTFS_UNIX_IRWXG == S_IRWXG); + Assert(RTFS_UNIX_IRGRP == S_IRGRP); + Assert(RTFS_UNIX_IWGRP == S_IWGRP); + Assert(RTFS_UNIX_IXGRP == S_IXGRP); + Assert(RTFS_UNIX_IRWXO == S_IRWXO); + Assert(RTFS_UNIX_IROTH == S_IROTH); + Assert(RTFS_UNIX_IWOTH == S_IWOTH); + Assert(RTFS_UNIX_IXOTH == S_IXOTH); + Assert(RTFS_TYPE_FIFO == S_IFIFO); + Assert(RTFS_TYPE_DEV_CHAR == S_IFCHR); + Assert(RTFS_TYPE_DIRECTORY == S_IFDIR); + Assert(RTFS_TYPE_DEV_BLOCK == S_IFBLK); + Assert(RTFS_TYPE_FILE == S_IFREG); + Assert(RTFS_TYPE_SYMLINK == S_IFLNK); + Assert(RTFS_TYPE_SOCKET == S_IFSOCK); +#ifdef S_IFWHT + Assert(RTFS_TYPE_WHITEOUT == S_IFWHT); +#endif + Assert(RTFS_TYPE_MASK == S_IFMT); + + pObjInfo->Attr.fMode = rtFsModeFromUnix(fMode, pszName, cbName, 0); + + /* additional unix attribs */ + pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX; + pObjInfo->Attr.u.Unix.uid = pStat->st_uid; + pObjInfo->Attr.u.Unix.gid = pStat->st_gid; + pObjInfo->Attr.u.Unix.cHardlinks = pStat->st_nlink; + pObjInfo->Attr.u.Unix.INodeIdDevice = pStat->st_dev; + pObjInfo->Attr.u.Unix.INodeId = pStat->st_ino; +#ifdef HAVE_STAT_FLAGS + pObjInfo->Attr.u.Unix.fFlags = pStat->st_flags; +#else + pObjInfo->Attr.u.Unix.fFlags = 0; +#endif +#ifdef HAVE_STAT_GEN + pObjInfo->Attr.u.Unix.GenerationId = pStat->st_gen; +#else + pObjInfo->Attr.u.Unix.GenerationId = 0; +#endif + pObjInfo->Attr.u.Unix.Device = pStat->st_rdev; +} + |