Artifact 7bb3d63d81c7e90a5ecbd0c40bc6b92fd6d24b1386d9d908c4c114509ae4bb42:
- File
src/OFFileManager.m
— part of check-in
[23e57c5040]
at
2017-07-22 23:04:35
on branch trunk
— OFFile: Simplify mode
This removes "b" for binary and always uses binary, as there is no good
reason to not use binary. (user: js, size: 30629) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 * Jonathan Schleifer <js@heap.zone> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #include <errno.h> #ifdef HAVE_DIRENT_H # include <dirent.h> #endif #include "unistd_wrapper.h" #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> #endif #ifdef HAVE_PWD_H # include <pwd.h> #endif #ifdef HAVE_GRP_H # include <grp.h> #endif #import "OFFileManager.h" #import "OFFile.h" #import "OFString.h" #import "OFArray.h" #import "OFDate.h" #import "OFSystemInfo.h" #import "OFLocalization.h" #ifdef OF_HAVE_THREADS # import "OFMutex.h" #endif #import "OFChangeCurrentDirectoryPathFailedException.h" #import "OFChangeOwnerFailedException.h" #import "OFChangePermissionsFailedException.h" #import "OFCopyItemFailedException.h" #import "OFCreateDirectoryFailedException.h" #import "OFCreateSymbolicLinkFailedException.h" #import "OFInitializationFailedException.h" #import "OFInvalidArgumentException.h" #import "OFLinkFailedException.h" #import "OFLockFailedException.h" #import "OFMoveItemFailedException.h" #import "OFNotImplementedException.h" #import "OFOpenItemFailedException.h" #import "OFOutOfMemoryException.h" #import "OFOutOfRangeException.h" #import "OFReadFailedException.h" #import "OFRemoveItemFailedException.h" #import "OFStatItemFailedException.h" #import "OFUnlockFailedException.h" #ifdef OF_WINDOWS # include <windows.h> # include <direct.h> # include <ntdef.h> #endif #ifdef OF_MORPHOS # define BOOL EXEC_BOOL # include <proto/dos.h> # include <proto/locale.h> # undef BOOL #endif #if defined(OF_WINDOWS) typedef struct __stat64 of_stat_t; #elif defined(OF_MORPHOS) typedef struct { of_offset_t st_size; mode_t st_mode; of_time_interval_t st_atime, st_mtime, st_ctime; } of_stat_t; #elif defined(OF_HAVE_OFF64_T) typedef struct stat64 of_stat_t; #else typedef struct stat of_stat_t; #endif #ifndef S_ISLNK # define S_ISLNK(s) 0 #endif static OFFileManager *defaultManager; #if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS) static OFMutex *passwdMutex; #endif #if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) && !defined(OF_WINDOWS) static OFMutex *readdirMutex; #endif #ifdef OF_WINDOWS static WINAPI BOOLEAN (*func_CreateSymbolicLinkW)(LPCWSTR, LPCWSTR, DWORD); #endif #ifdef OF_MORPHOS static bool dirChanged = false; static BPTR originalDirLock = 0; OF_DESTRUCTOR() { if (dirChanged) UnLock(CurrentDir(originalDirLock)); } #endif static int of_stat(OFString *path, of_stat_t *buffer) { #if defined(OF_WINDOWS) return _wstat64([path UTF16String], buffer); #elif defined(OF_MORPHOS) BPTR lock; struct FileInfoBlock fib; of_time_interval_t timeInterval; struct Locale *locale; if ((lock = Lock([path cStringWithEncoding: [OFLocalization encoding]], SHARED_LOCK)) == 0) { switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errno = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errno = ENOENT; break; default: errno = 0; break; } return -1; } if (!Examine64(lock, &fib, TAG_DONE)) { UnLock(lock); errno = 0; return -1; } UnLock(lock); buffer->st_size = fib.fib_Size64; buffer->st_mode = (fib.fib_DirEntryType > 0 ? S_IFDIR : S_IFREG); timeInterval = 252460800; /* 1978-01-01 */ locale = OpenLocale(NULL); /* * FIXME: This does not take DST into account. But unfortunately, there * is no way to figure out if DST was in effect when the file was * modified. */ timeInterval += locale->loc_GMTOffset * 60.0; CloseLocale(locale); timeInterval += fib.fib_Date.ds_Days * 86400.0; timeInterval += fib.fib_Date.ds_Minute * 60.0; timeInterval += fib.fib_Date.ds_Tick / (of_time_interval_t)TICKS_PER_SECOND; buffer->st_atime = buffer->st_mtime = buffer->st_ctime = timeInterval; return 0; #elif defined(OF_HAVE_OFF64_T) return stat64([path cStringWithEncoding: [OFLocalization encoding]], buffer); #else return stat([path cStringWithEncoding: [OFLocalization encoding]], buffer); #endif } static int of_lstat(OFString *path, of_stat_t *buffer) { #if defined(HAVE_LSTAT) && !defined(OF_WINDOWS) && !defined(OF_MORPHOS) # ifdef OF_HAVE_OFF64_T return lstat64([path cStringWithEncoding: [OFLocalization encoding]], buffer); # else return lstat([path cStringWithEncoding: [OFLocalization encoding]], buffer); # endif #else return of_stat(path, buffer); #endif } @implementation OFFileManager + (void)initialize { #ifdef OF_WINDOWS HMODULE module; #endif if (self != [OFFileManager class]) return; /* * Make sure OFFile is initialized. * On some systems, this is needed to initialize the file system driver. */ [OFFile class]; #if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS) passwdMutex = [[OFMutex alloc] init]; #endif #if !defined(HAVE_READDIR_R) && !defined(OF_WINDOWS) && defined(OF_HAVE_THREADS) readdirMutex = [[OFMutex alloc] init]; #endif #ifdef OF_WINDOWS if ((module = LoadLibrary("kernel32.dll")) != NULL) func_CreateSymbolicLinkW = (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR, DWORD)) GetProcAddress(module, "CreateSymbolicLinkW"); #endif defaultManager = [[OFFileManager alloc] init]; } + (OFFileManager *)defaultManager { return defaultManager; } - (OFString *)currentDirectoryPath { #if defined(OF_WINDOWS) OFString *ret; wchar_t *buffer = _wgetcwd(NULL, 0); @try { ret = [OFString stringWithUTF16String: buffer]; } @finally { free(buffer); } return ret; #elif defined(OF_MORPHOS) char buffer[512]; if (!NameFromLock(((struct Process *)FindTask(NULL))->pr_CurrentDir, buffer, 512)) { if (IoErr() == ERROR_LINE_TOO_LONG) @throw [OFOutOfRangeException exception]; return nil; } return [OFString stringWithCString: buffer encoding: [OFLocalization encoding]]; #else OFString *ret; char *buffer = getcwd(NULL, 0); @try { ret = [OFString stringWithCString: buffer encoding: [OFLocalization encoding]]; } @finally { free(buffer); } return ret; #endif } - (bool)fileExistsAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) == -1) return false; return S_ISREG(s.st_mode); } - (bool)directoryExistsAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) == -1) return false; return S_ISDIR(s.st_mode); } #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS - (bool)symbolicLinkExistsAtPath: (OFString *)path { # ifndef OF_WINDOWS of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_lstat(path, &s) == -1) return false; return S_ISLNK(s.st_mode); # else WIN32_FIND_DATAW data; if (!FindFirstFileW([path UTF16String], &data)) return false; if ((data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) && data.dwReserved0 == IO_REPARSE_TAG_SYMLINK) return true; return false; # endif } #endif - (void)createDirectoryAtPath: (OFString *)path { if (path == nil) @throw [OFInvalidArgumentException exception]; #if defined(OF_WINDOWS) if (_wmkdir([path UTF16String]) != 0) @throw [OFCreateDirectoryFailedException exceptionWithPath: path errNo: errno]; #elif defined(OF_MORPHOS) BPTR lock; if ((lock = CreateDir( [path cStringWithEncoding: [OFLocalization encoding]])) == 0) { int errNo; switch (IoErr()) { case ERROR_NO_FREE_STORE: case ERROR_DISK_FULL: errNo = ENOSPC; break; case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_EXISTS: errNo = EEXIST; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; case ERROR_DISK_WRITE_PROTECTED: errNo = EROFS; break; default: errNo = 0; break; } @throw [OFCreateDirectoryFailedException exceptionWithPath: path errNo: errNo]; } UnLock(lock); #else if (mkdir([path cStringWithEncoding: [OFLocalization encoding]], 0777) != 0) @throw [OFCreateDirectoryFailedException exceptionWithPath: path errNo: errno]; #endif } - (void)createDirectoryAtPath: (OFString *)path createParents: (bool)createParents { OFString *currentPath = nil; if (!createParents) { [self createDirectoryAtPath: path]; return; } if (path == nil) @throw [OFInvalidArgumentException exception]; for (OFString *component in [path pathComponents]) { void *pool = objc_autoreleasePoolPush(); if (currentPath != nil) currentPath = [currentPath stringByAppendingPathComponent: component]; else currentPath = component; if ([currentPath length] > 0 && ![self directoryExistsAtPath: currentPath]) [self createDirectoryAtPath: currentPath]; [currentPath retain]; objc_autoreleasePoolPop(pool); [currentPath autorelease]; } } - (OFArray *)contentsOfDirectoryAtPath: (OFString *)path { OFMutableArray *files; if (path == nil) @throw [OFInvalidArgumentException exception]; files = [OFMutableArray array]; #if defined(OF_WINDOWS) void *pool = objc_autoreleasePoolPush(); HANDLE handle; WIN32_FIND_DATAW fd; path = [path stringByAppendingString: @"\\*"]; if ((handle = FindFirstFileW([path UTF16String], &fd)) == INVALID_HANDLE_VALUE) { int errNo = 0; if (GetLastError() == ERROR_FILE_NOT_FOUND) errNo = ENOENT; @throw [OFOpenItemFailedException exceptionWithPath: path mode: nil errNo: errNo]; } @try { do { OFString *file; if (!wcscmp(fd.cFileName, L".") || !wcscmp(fd.cFileName, L"..")) continue; file = [OFString stringWithUTF16String: fd.cFileName]; @try { [files addObject: file]; } @finally { [file release]; } } while (FindNextFileW(handle, &fd)); if (GetLastError() != ERROR_NO_MORE_FILES) @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: EIO]; } @finally { FindClose(handle); } objc_autoreleasePoolPop(pool); #elif defined(OF_MORPHOS) of_string_encoding_t encoding = [OFLocalization encoding]; BPTR lock; struct FileInfoBlock fib; if ((lock = Lock([path cStringWithEncoding: encoding], SHARED_LOCK)) == 0) { int errNo; switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; default: errNo = 0; break; } @throw [OFOpenItemFailedException exceptionWithPath: path mode: nil errNo: errNo]; } @try { if (!Examine(lock, &fib)) @throw [OFOpenItemFailedException exceptionWithPath: path mode: nil errNo: 0]; while (ExNext(lock, &fib)) { OFString *file; file = [[OFString alloc] initWithCString: fib.fib_FileName encoding: encoding]; @try { [files addObject: file]; } @finally { [file release]; } } if (IoErr() != ERROR_NO_MORE_ENTRIES) @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: EIO]; } @finally { UnLock(lock); } #else of_string_encoding_t encoding = [OFLocalization encoding]; DIR *dir; if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL) @throw [OFOpenItemFailedException exceptionWithPath: path mode: nil errNo: errno]; # if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) @try { [readdirMutex lock]; } @catch (id e) { closedir(dir); @throw e; } # endif @try { for (;;) { struct dirent *dirent; # ifdef HAVE_READDIR_R struct dirent buffer; # endif OFString *file; # ifdef HAVE_READDIR_R if (readdir_r(dir, &buffer, &dirent) != 0) @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: errno]; if (dirent == NULL) break; # else if ((dirent = readdir(dir)) == NULL) { if (errno == 0) break; else @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: errno]; } # endif if (strcmp(dirent->d_name, ".") == 0 || strcmp(dirent->d_name, "..") == 0) continue; file = [[OFString alloc] initWithCString: dirent->d_name encoding: encoding]; @try { [files addObject: file]; } @finally { [file release]; } } } @finally { closedir(dir); # if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) [readdirMutex unlock]; # endif } #endif [files makeImmutable]; return files; } - (void)changeCurrentDirectoryPath: (OFString *)path { if (path == nil) @throw [OFInvalidArgumentException exception]; #if defined(OF_WINDOWS) if (_wchdir([path UTF16String]) != 0) @throw [OFChangeCurrentDirectoryPathFailedException exceptionWithPath: path errNo: errno]; #elif defined(OF_MORPHOS) BPTR lock, oldLock; if ((lock = Lock([path cStringWithEncoding: [OFLocalization encoding]], SHARED_LOCK)) == 0) { int errNo; switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; default: errNo = 0; break; } @throw [OFChangeCurrentDirectoryPathFailedException exceptionWithPath: path errNo: errNo]; } oldLock = CurrentDir(lock); if (!dirChanged) originalDirLock = oldLock; else UnLock(oldLock); dirChanged = true; #else if (chdir([path cStringWithEncoding: [OFLocalization encoding]]) != 0) @throw [OFChangeCurrentDirectoryPathFailedException exceptionWithPath: path errNo: errno]; #endif } - (of_offset_t)sizeOfFileAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) != 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; return s.st_size; } - (OFDate *)accessTimeOfItemAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) != 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; /* FIXME: We could be more precise on some OSes */ return [OFDate dateWithTimeIntervalSince1970: s.st_atime]; } - (OFDate *)modificationTimeOfItemAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) != 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; /* FIXME: We could be more precise on some OSes */ return [OFDate dateWithTimeIntervalSince1970: s.st_mtime]; } - (OFDate *)statusChangeTimeOfItemAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) != 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; /* FIXME: We could be more precise on some OSes */ return [OFDate dateWithTimeIntervalSince1970: s.st_ctime]; } #ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS - (uint16_t)permissionsOfItemAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) != 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; return s.st_mode & 07777; } - (void)changePermissionsOfItemAtPath: (OFString *)path permissions: (uint16_t)permissions { if (path == nil) @throw [OFInvalidArgumentException exception]; permissions &= 0777; # ifndef OF_WINDOWS if (chmod([path cStringWithEncoding: [OFLocalization encoding]], permissions) != 0) # else if (_wchmod([path UTF16String], permissions) != 0) # endif @throw [OFChangePermissionsFailedException exceptionWithPath: path permissions: permissions errNo: errno]; } #endif #ifdef OF_FILE_MANAGER_SUPPORTS_OWNER - (void)getOwner: (OFString **)owner group: (OFString **)group ofItemAtPath: (OFString *)path { of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; if (of_stat(path, &s) != 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; # ifdef OF_HAVE_THREADS [passwdMutex lock]; @try { # endif of_string_encoding_t encoding = [OFLocalization encoding]; if (owner != NULL) { struct passwd *passwd = getpwuid(s.st_uid); *owner = [OFString stringWithCString: passwd->pw_name encoding: encoding]; } if (group != NULL) { struct group *group_ = getgrgid(s.st_gid); *group = [OFString stringWithCString: group_->gr_name encoding: encoding]; } # ifdef OF_HAVE_THREADS } @finally { [passwdMutex unlock]; } # endif } - (void)changeOwnerOfItemAtPath: (OFString *)path owner: (OFString *)owner group: (OFString *)group { uid_t uid = -1; gid_t gid = -1; of_string_encoding_t encoding; if (path == nil || (owner == nil && group == nil)) @throw [OFInvalidArgumentException exception]; encoding = [OFLocalization encoding]; # ifdef OF_HAVE_THREADS [passwdMutex lock]; @try { # endif if (owner != nil) { struct passwd *passwd; if ((passwd = getpwnam([owner cStringWithEncoding: encoding])) == NULL) @throw [OFChangeOwnerFailedException exceptionWithPath: path owner: owner group: group errNo: errno]; uid = passwd->pw_uid; } if (group != nil) { struct group *group_; if ((group_ = getgrnam([group cStringWithEncoding: encoding])) == NULL) @throw [OFChangeOwnerFailedException exceptionWithPath: path owner: owner group: group errNo: errno]; gid = group_->gr_gid; } # ifdef OF_HAVE_THREADS } @finally { [passwdMutex unlock]; } # endif if (chown([path cStringWithEncoding: encoding], uid, gid) != 0) @throw [OFChangeOwnerFailedException exceptionWithPath: path owner: owner group: group errNo: errno]; } #endif - (void)copyItemAtPath: (OFString *)source toPath: (OFString *)destination { void *pool; of_stat_t s; if (source == nil || destination == nil) @throw [OFInvalidArgumentException exception]; pool = objc_autoreleasePoolPush(); if (of_lstat(destination, &s) == 0) @throw [OFCopyItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: EEXIST]; if (of_lstat(source, &s) != 0) @throw [OFCopyItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: errno]; if (S_ISDIR(s.st_mode)) { OFArray *contents; @try { [self createDirectoryAtPath: destination]; #ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS [self changePermissionsOfItemAtPath: destination permissions: s.st_mode]; #endif contents = [self contentsOfDirectoryAtPath: source]; } @catch (id e) { /* * Only convert exceptions to OFCopyItemFailedException * that have an errNo property. This covers all I/O * related exceptions from the operations used to copy * an item, all others should be left as is. */ if ([e respondsToSelector: @selector(errNo)]) @throw [OFCopyItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: [e errNo]]; @throw e; } for (OFString *item in contents) { void *pool2 = objc_autoreleasePoolPush(); OFString *sourcePath, *destinationPath; sourcePath = [source stringByAppendingPathComponent: item]; destinationPath = [destination stringByAppendingPathComponent: item]; [self copyItemAtPath: sourcePath toPath: destinationPath]; objc_autoreleasePoolPop(pool2); } } else if (S_ISREG(s.st_mode)) { size_t pageSize = [OFSystemInfo pageSize]; OFFile *sourceFile = nil; OFFile *destinationFile = nil; char *buffer; if ((buffer = malloc(pageSize)) == NULL) @throw [OFOutOfMemoryException exceptionWithRequestedSize: pageSize]; @try { sourceFile = [OFFile fileWithPath: source mode: @"r"]; destinationFile = [OFFile fileWithPath: destination mode: @"w"]; while (![sourceFile isAtEndOfStream]) { size_t length; length = [sourceFile readIntoBuffer: buffer length: pageSize]; [destinationFile writeBuffer: buffer length: length]; } #ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS [self changePermissionsOfItemAtPath: destination permissions: s.st_mode]; #endif } @catch (id e) { /* * Only convert exceptions to OFCopyItemFailedException * that have an errNo property. This covers all I/O * related exceptions from the operations used to copy * an item, all others should be left as is. */ if ([e respondsToSelector: @selector(errNo)]) @throw [OFCopyItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: [e errNo]]; @throw e; } @finally { [sourceFile close]; [destinationFile close]; free(buffer); } #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS } else if (S_ISLNK(s.st_mode)) { @try { source = [self destinationOfSymbolicLinkAtPath: source]; [self createSymbolicLinkAtPath: destination withDestinationPath: source]; } @catch (id e) { /* * Only convert exceptions to OFCopyItemFailedException * that have an errNo property. This covers all I/O * related exceptions from the operations used to copy * an item, all others should be left as is. */ if ([e respondsToSelector: @selector(errNo)]) @throw [OFCopyItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: [e errNo]]; @throw e; } #endif } else @throw [OFCopyItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: EINVAL]; objc_autoreleasePoolPop(pool); } - (void)moveItemAtPath: (OFString *)source toPath: (OFString *)destination { of_stat_t s; if (source == nil || destination == nil) @throw [OFInvalidArgumentException exception]; if (of_lstat(destination, &s) == 0) @throw [OFMoveItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: EEXIST]; #if defined(OF_WINDOWS) void *pool = objc_autoreleasePoolPush(); if (_wrename([source UTF16String], [destination UTF16String]) != 0) { if (errno != EXDEV) @throw [OFMoveItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: errno]; #elif defined(OF_MORPHOS) of_string_encoding_t encoding = [OFLocalization encoding]; if (!Rename([source cStringWithEncoding: encoding], [destination cStringWithEncoding: encoding]) != 0) { LONG err; if ((err = IoErr()) != ERROR_RENAME_ACROSS_DEVICES) { int errNo; switch (err) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_EXISTS: errNo = EEXIST; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; case ERROR_DISK_WRITE_PROTECTED: errNo = EROFS; break; default: errNo = 0; break; } @throw [OFMoveItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: errNo]; } #else of_string_encoding_t encoding = [OFLocalization encoding]; if (rename([source cStringWithEncoding: encoding], [destination cStringWithEncoding: encoding]) != 0) { if (errno != EXDEV) @throw [OFMoveItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: errno]; #endif @try { [self copyItemAtPath: source toPath: destination]; } @catch (OFCopyItemFailedException *e) { [self removeItemAtPath: destination]; @throw [OFMoveItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: [e errNo]]; } @try { [self removeItemAtPath: source]; } @catch (OFRemoveItemFailedException *e) { @throw [OFMoveItemFailedException exceptionWithSourcePath: source destinationPath: destination errNo: [e errNo]]; } } #ifdef OF_WINDOWS objc_autoreleasePoolPop(pool); #endif } - (void)removeItemAtPath: (OFString *)path { void *pool; of_stat_t s; if (path == nil) @throw [OFInvalidArgumentException exception]; pool = objc_autoreleasePoolPush(); if (of_lstat(path, &s) != 0) @throw [OFRemoveItemFailedException exceptionWithPath: path errNo: errno]; if (S_ISDIR(s.st_mode)) { OFArray *contents; @try { contents = [self contentsOfDirectoryAtPath: path]; } @catch (id e) { /* * Only convert exceptions to * OFRemoveItemFailedException that have an errNo * property. This covers all I/O related exceptions * from the operations used to remove an item, all * others should be left as is. */ if ([e respondsToSelector: @selector(errNo)]) @throw [OFRemoveItemFailedException exceptionWithPath: path errNo: [e errNo]]; @throw e; } for (OFString *item in contents) { void *pool2 = objc_autoreleasePoolPush(); [self removeItemAtPath: [path stringByAppendingPathComponent: item]]; objc_autoreleasePoolPop(pool2); } #ifndef OF_MORPHOS # ifndef OF_WINDOWS if (rmdir([path cStringWithEncoding: [OFLocalization encoding]]) != 0) # else if (_wrmdir([path UTF16String]) != 0) # endif @throw [OFRemoveItemFailedException exceptionWithPath: path errNo: errno]; } else { # ifndef OF_WINDOWS if (unlink([path cStringWithEncoding: [OFLocalization encoding]]) != 0) # else if (_wunlink([path UTF16String]) != 0) # endif @throw [OFRemoveItemFailedException exceptionWithPath: path errNo: errno]; #endif } #ifdef OF_MORPHOS if (!DeleteFile( [path cStringWithEncoding: [OFLocalization encoding]])) { int errNo; switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; case ERROR_DISK_WRITE_PROTECTED: errNo = EROFS; break; case ERROR_DELETE_PROTECTED: errNo = EACCES; break; default: errNo = 0; break; } @throw [OFRemoveItemFailedException exceptionWithPath: path errNo: errNo]; } #endif objc_autoreleasePoolPop(pool); } #ifdef OF_FILE_MANAGER_SUPPORTS_LINKS - (void)linkItemAtPath: (OFString *)source toPath: (OFString *)destination { void *pool; if (source == nil || destination == nil) @throw [OFInvalidArgumentException exception]; pool = objc_autoreleasePoolPush(); # ifndef OF_WINDOWS of_string_encoding_t encoding = [OFLocalization encoding]; if (link([source cStringWithEncoding: encoding], [destination cStringWithEncoding: encoding]) != 0) @throw [OFLinkFailedException exceptionWithSourcePath: source destinationPath: destination errNo: errno]; # else if (!CreateHardLinkW([destination UTF16String], [source UTF16String], NULL)) @throw [OFLinkFailedException exceptionWithSourcePath: source destinationPath: destination errNo: 0]; # endif objc_autoreleasePoolPop(pool); } #endif #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS - (void)createSymbolicLinkAtPath: (OFString *)destination withDestinationPath: (OFString *)source { void *pool; if (source == nil || destination == nil) @throw [OFInvalidArgumentException exception]; pool = objc_autoreleasePoolPush(); # ifndef OF_WINDOWS of_string_encoding_t encoding = [OFLocalization encoding]; if (symlink([source cStringWithEncoding: encoding], [destination cStringWithEncoding: encoding]) != 0) @throw [OFCreateSymbolicLinkFailedException exceptionWithSourcePath: source destinationPath: destination errNo: errno]; # else if (func_CreateSymbolicLinkW == NULL) @throw [OFNotImplementedException exceptionWithSelector: _cmd object: self]; if (!func_CreateSymbolicLinkW([destination UTF16String], [source UTF16String], 0)) @throw [OFCreateSymbolicLinkFailedException exceptionWithSourcePath: source destinationPath: destination errNo: 0]; # endif objc_autoreleasePoolPop(pool); } - (OFString *)destinationOfSymbolicLinkAtPath: (OFString *)path { if (path == nil) @throw [OFInvalidArgumentException exception]; # ifndef OF_WINDOWS char destination[PATH_MAX]; ssize_t length; of_string_encoding_t encoding; encoding = [OFLocalization encoding]; length = readlink([path cStringWithEncoding: encoding], destination, PATH_MAX); if (length < 0) @throw [OFStatItemFailedException exceptionWithPath: path errNo: errno]; return [OFString stringWithCString: destination encoding: encoding length: length]; # else HANDLE handle; /* Check if we're on a version that actually supports symlinks. */ if (func_CreateSymbolicLinkW == NULL) @throw [OFNotImplementedException exceptionWithSelector: _cmd object: self]; if ((handle = CreateFileW([path UTF16String], 0, (FILE_SHARE_READ | FILE_SHARE_WRITE), NULL, OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT, NULL)) == INVALID_HANDLE_VALUE) @throw [OFStatItemFailedException exceptionWithPath: path errNo: 0]; @try { union { char bytes[MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; REPARSE_DATA_BUFFER data; } buffer; DWORD size; wchar_t *tmp; if (!DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, NULL, 0, buffer.bytes, MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &size, NULL)) @throw [OFStatItemFailedException exceptionWithPath: path errNo: 0]; if (buffer.data.ReparseTag != IO_REPARSE_TAG_SYMLINK) @throw [OFStatItemFailedException exceptionWithPath: path errNo: 0]; # define slrb buffer.data.SymbolicLinkReparseBuffer tmp = slrb.PathBuffer + (slrb.SubstituteNameOffset / sizeof(wchar_t)); return [OFString stringWithUTF16String: tmp length: slrb.SubstituteNameLength / sizeof(wchar_t)]; # undef slrb } @finally { CloseHandle(handle); } # endif } #endif @end