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<font color="#0000ff">// Copyright (c) 2003 David Muse</font>
<font color="#0000ff">// See the COPYING file for more information.</font>
<font color="#a020f0">#ifndef RUDIMENTS_FILESYSTEM_H</font>
<font color="#a020f0">#define RUDIMENTS_FILESYSTEM_H</font>
<font color="#a020f0">#include </font><font color="#ff00ff"><rudiments/private/filesystemincludes.h></font>
<font color="#0000ff">// The filesystem class provides methods for discovering the properties</font>
<font color="#0000ff">// associated with a filesystem such as type, total and free blocks, total and</font>
<font color="#0000ff">// free inodes, etc.</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// Use the static methods in this class if you need to get a a single property.</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// If you need to get more that one property, create an instance of the class,</font>
<font color="#0000ff">// call initialize(), then use the non-static methods to access the properties</font>
<font color="#0000ff">// that you need.</font>
<font color="#a020f0">#ifdef RUDIMENTS_NAMESPACE</font>
<font color="#2e8b57"><b>namespace</b></font> rudiments {
<font color="#a020f0">#endif</font>
<font color="#2e8b57"><b>class</b></font> filesystemprivate;
<font color="#2e8b57"><b>class</b></font> filesystem {
<font color="#a52a2a"><b>public</b></font>:
filesystem();
<font color="#0000ff">// Creates an uninitialized instance of the</font>
<font color="#0000ff">// filesystem class.</font>
filesystem(<font color="#2e8b57"><b>const</b></font> filesystem &f);
filesystem &<font color="#a52a2a"><b>operator</b></font>=(<font color="#2e8b57"><b>const</b></font> filesystem &f);
<font color="#2e8b57"><b>virtual</b></font> ~filesystem();
<font color="#2e8b57"><b>bool</b></font> initialize(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path);
<font color="#0000ff">// Initializes the instance to use filesystem "path".</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// Returns true on success and false on failure.</font>
<font color="#2e8b57"><b>bool</b></font> initialize(<font color="#2e8b57"><b>int</b></font> fd);
<font color="#0000ff">// Initializes the instance to use already open file</font>
<font color="#0000ff">// descriptor "fd".</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// Returns true on success and false on failure.</font>
<font color="#0000ff">// These methods return the filesystem type.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getType() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getType(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *type);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getType(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *type);
<font color="#0000ff">// These methods return the fundamental block size of the</font>
<font color="#0000ff">// filesystem.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getBlockSize() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getBlockSize(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *size);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getBlockSize(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *size);
<font color="#0000ff">// These methods return the optimum transfer block size.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getOptimumTransferBlockSize() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getOptimumTransferBlockSize(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *size);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getOptimumTransferBlockSize(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *size);
<font color="#0000ff">// These methods return the total number of blocks.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getTotalBlocks() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getTotalBlocks(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *blocks);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getTotalBlocks(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *blocks);
<font color="#0000ff">// These methods return the number of free blocks.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getFreeBlocks() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFreeBlocks(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *blocks);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFreeBlocks(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *blocks);
<font color="#0000ff">// These methods return the number of blocks available to </font>
<font color="#0000ff">// non-superuser accounts.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getAvailableBlocks() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAvailableBlocks(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *blocks);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAvailableBlocks(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *blocks);
<font color="#0000ff">// These methods return the number of file nodes.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getTotalFileNodes() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getTotalFileNodes(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *nodes);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getTotalFileNodes(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *nodes);
<font color="#0000ff">// These methods return the number of free file nodes.</font>
<font color="#0000ff">// (works on Linux, Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getFreeFileNodes() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFreeFileNodes(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *nodes);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFreeFileNodes(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *nodes);
<font color="#0000ff">// These methods return the number of file nodes available to </font>
<font color="#0000ff">// non-superuser accounts.</font>
<font color="#0000ff">// (works on SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getAvailableFileNodes() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAvailableFileNodes(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *nodes);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAvailableFileNodes(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *nodes);
<font color="#0000ff">// These methods return the file system id.</font>
<font color="#0000ff">// (works on SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getFileSystemId() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFileSystemId(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *id);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFileSystemId(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *id);
<font color="#0000ff">// These methods return the maximum length of filenames.</font>
<font color="#0000ff">// (works on Linux, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getMaximumFileNameLength() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getMaximumFileNameLength(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *length);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getMaximumFileNameLength(<font color="#2e8b57"><b>int</b></font> fd,
<font color="#2e8b57"><b>long</b></font> *length);
<font color="#0000ff">// These methods return the user that mounted the filesystem.</font>
<font color="#0000ff">// (works on Net/Open/FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
uid_t getOwner() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getOwner(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, uid_t *owner);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getOwner(<font color="#2e8b57"><b>int</b></font> fd, uid_t *owner);
<font color="#0000ff">// These methods return the number of synchronous writes that</font>
<font color="#0000ff">// have occurred since the filesytem was mounted.</font>
<font color="#0000ff">// (works on Net/Open/FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getSyncWrites() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getSyncWrites(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *swrites);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getSyncWrites(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *swrites);
<font color="#0000ff">// These methods return the number of asynchronous writes that</font>
<font color="#0000ff">// have occurred since the filesytem was mounted.</font>
<font color="#0000ff">// (works on Net/Open/FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getAsyncWrites() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAsyncWrites(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>long</b></font> *aswrites);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAsyncWrites(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *aswrites);
<font color="#0000ff">// These methods return the name of the filesystem type.</font>
<font color="#0000ff">// (works on Net/Open/FreeBSD, SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *getTypeName() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getTypeName(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **name);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getTypeName(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **name);
<font color="#0000ff">// These methods return the mount point of the filesystem.</font>
<font color="#0000ff">// (works on Net/Open/FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *getMountPoint() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getMountPoint(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **mtpt);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getMountPoint(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **mtpt);
<font color="#0000ff">// These methods return the number of synchronous reads that</font>
<font color="#0000ff">// have occurred since the filesytem was mounted.</font>
<font color="#0000ff">// (works on FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getSyncReads() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getSyncReads(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *sreads);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getSyncReads(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *sreads);
<font color="#0000ff">// These methods return the number of asynchronous reads that</font>
<font color="#0000ff">// have occurred since the filesytem was mounted.</font>
<font color="#0000ff">// (works on FreeBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>long</b></font> getAsyncReads() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAsyncReads(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path, <font color="#2e8b57"><b>long</b></font> *asreads);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getAsyncReads(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>long</b></font> *asreads);
<font color="#0000ff">// These methods return the name of the device file for the</font>
<font color="#0000ff">// filesystem.</font>
<font color="#0000ff">// (works on Net/OpenBSD)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *getDeviceName() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getDeviceName(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **devname);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getDeviceName(<font color="#2e8b57"><b>int</b></font> fd, <font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **devname);
<font color="#0000ff">// These methods return the filesystem-specific string.</font>
<font color="#0000ff">// (works on SCO OSR5, Solaris)</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// The static methods return true on success and false on</font>
<font color="#0000ff">// failure.</font>
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *getFilesystemSpecificString() <font color="#2e8b57"><b>const</b></font>;
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFilesystemSpecificString(<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> *path,
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **str);
<font color="#2e8b57"><b>static</b></font> <font color="#2e8b57"><b>bool</b></font> getFilesystemSpecificString(<font color="#2e8b57"><b>int</b></font> fd,
<font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **str);
<font color="#0000ff">// NetBSD: u_short f_oflags - deprecated copy of mount flags</font>
<font color="#0000ff">// NetBSD: u_short f_flags - mount flags</font>
<font color="#0000ff">// OpenBSD: union mount_info mount_info - per fs mount options</font>
<font color="#0000ff">// FreeBSD: int f_flags - mount flags</font>
<font color="#0000ff">// SCO OSR5: unsigned long f_flag - mount flags</font>
<font color="#0000ff">// solaris: u_long f_flag - mount flags</font>
<font color="#2e8b57"><b>bool</b></font> getCurrentProperties();
<font color="#0000ff">// Gets the current filesystem properties.</font>
<font color="#0000ff">//</font>
<font color="#0000ff">// Returns true on success and false on failure.</font>
<font color="#0000ff">// This method returns a pointer to the statfs structure</font>
<font color="#0000ff">// used internally.</font>
<font color="#a020f0">#if defined(RUDIMENTS_HAVE_STATVFS) || defined(RUDIMENTS_HAVE_NETBSD_STATVFS)</font>
<font color="#2e8b57"><b>struct</b></font> statvfs *getStatfs();
<font color="#a020f0">#else</font>
<font color="#2e8b57"><b>struct</b></font> statfs *getStatfs();
<font color="#a020f0">#endif</font>
<font color="#a020f0"> #include </font><font color="#ff00ff"><rudiments/private/filesystem.h></font>
};
<font color="#a020f0">#ifdef RUDIMENTS_NAMESPACE</font>
}
<font color="#a020f0">#endif</font>
<font color="#a020f0">#endif</font>
</pre>
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