[kaffe] CVS kaffe (dalibor): Resynced with GNU Classpath
Kaffe CVS
cvs-commits at kaffe.org
Mon Feb 2 09:42:02 PST 2004
PatchSet 4389
Date: 2004/02/02 17:37:28
Author: dalibor
Branch: HEAD
Tag: (none)
Log:
Resynced with GNU Classpath
2004-02-02 Dalibor Topic <robilad at kaffe.org>
Resynced with GNU Classpath.
2004-01-25 Michael Koch <konqueror at gmx.de>
* java/io/FileDescriptor.java
(open): Javadoc added.
(close): Likewise.
(write): Likewise.
(read): Likewise.
(available): Likewise.
(seek): Likewise.
(getFilePointer): Likewise.
(getLength): Likewise.
(setLength): Likewise.
2004-01-23 Michael Koch <konqueror at gmx.de>
* java/io/FileDescriptor.java: Reformated.
Members:
ChangeLog:1.1973->1.1974
libraries/javalib/java/io/FileDescriptor.java:1.5->1.6
Index: kaffe/ChangeLog
diff -u kaffe/ChangeLog:1.1973 kaffe/ChangeLog:1.1974
--- kaffe/ChangeLog:1.1973 Mon Feb 2 17:25:21 2004
+++ kaffe/ChangeLog Mon Feb 2 17:37:28 2004
@@ -2,6 +2,27 @@
Resynced with GNU Classpath.
+ 2004-01-25 Michael Koch <konqueror at gmx.de>
+
+ * java/io/FileDescriptor.java
+ (open): Javadoc added.
+ (close): Likewise.
+ (write): Likewise.
+ (read): Likewise.
+ (available): Likewise.
+ (seek): Likewise.
+ (getFilePointer): Likewise.
+ (getLength): Likewise.
+ (setLength): Likewise.
+
+ 2004-01-23 Michael Koch <konqueror at gmx.de>
+
+ * java/io/FileDescriptor.java: Reformated.
+
+2004-02-02 Dalibor Topic <robilad at kaffe.org>
+
+ Resynced with GNU Classpath.
+
2004-01-30 Michael Koch <konqueror at gmx.de>
* gnu/java/net/protocol/http/Connection.java
Index: kaffe/libraries/javalib/java/io/FileDescriptor.java
diff -u kaffe/libraries/javalib/java/io/FileDescriptor.java:1.5 kaffe/libraries/javalib/java/io/FileDescriptor.java:1.6
--- kaffe/libraries/javalib/java/io/FileDescriptor.java:1.5 Sat Aug 30 14:18:31 2003
+++ kaffe/libraries/javalib/java/io/FileDescriptor.java Mon Feb 2 17:37:30 2004
@@ -1,5 +1,6 @@
/* FileDescriptor.java -- Opaque file handle class
- Copyright (C) 1998,2003 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -46,6 +47,8 @@
* type. No system specific information can be obtained from this object.
*
* @author Aaron M. Renn (arenn at urbanophile.com)
+ * @author Tom Tromey (tromey at cygnus.com)
+ * @date September 24, 1998
*/
public final class FileDescriptor
{
@@ -54,33 +57,33 @@
* stream. This will usually be accessed through the
* <code>System.in</code>variable.
*/
- public static final FileDescriptor in = new FileDescriptor ();
+ public static final FileDescriptor in = new FileDescriptor();
/**
* A <code>FileDescriptor</code> representing the system standard output
* stream. This will usually be accessed through the
* <code>System.out</code>variable.
*/
- public static final FileDescriptor out = new FileDescriptor ();
+ public static final FileDescriptor out = new FileDescriptor();
/**
* A <code>FileDescriptor</code> representing the system standard error
* stream. This will usually be accessed through the
* <code>System.err</code>variable.
*/
- public static final FileDescriptor err = new FileDescriptor ();
+ public static final FileDescriptor err = new FileDescriptor();
static
{
if (Configuration.INIT_LOAD_LIBRARY)
{
- System.loadLibrary ("io");
+ System.loadLibrary("io");
}
nativeInit();
}
- // Use for seeking
+ // These are WHENCE values for seek.
static final int SET = 0;
static final int CUR = 1;
static final int END = 2;
@@ -89,6 +92,7 @@
static final int READ = 1;
static final int WRITE = 2;
static final int APPEND = 4;
+
// EXCL is used only when making a temp file.
static final int EXCL = 8;
static final int SYNC = 16;
@@ -143,11 +147,26 @@
public boolean valid()
{
if (nativeFd == -1L)
- return(false);
+ return false;
return nativeValid(nativeFd);
}
+ /**
+ * Opens the specified file in the specified mode. This can be done
+ * in one of the specified modes:
+ * <ul>
+ * <li>r - Read Only
+ * <li>rw - Read / Write
+ * <li>ra - Read / Write - append to end of file
+ * <li>rws - Read / Write - synchronous writes of data/metadata
+ * <li>rwd - Read / Write - synchronous writes of data.
+ *
+ * @param path Name of the file to open
+ * @param mode Mode to open
+ *
+ * @exception IOException If an error occurs.
+ */
void open(String path, int mode) throws FileNotFoundException
{
// We don't want fd leakage.
@@ -165,6 +184,11 @@
nativeFd = nativeOpen(path, mode);
}
+ /**
+ * Closes this specified file descriptor
+ *
+ * @exception IOException If an error occurs
+ */
synchronized void close() throws IOException
{
if (nativeFd == -1L)
@@ -179,6 +203,13 @@
}
}
+ /**
+ * Writes a single byte to the file
+ *
+ * @param b The byte to write, encoded in the low eight bits
+ *
+ * @exception IOException If an error occurs
+ */
void write(int b) throws IOException
{
if (nativeFd == -1L)
@@ -187,6 +218,15 @@
nativeWriteByte(nativeFd, (b & 0xFF));
}
+ /**
+ * Writes a byte buffer to the file
+ *
+ * @param buf The byte buffer to write from
+ * @param int The offset into the buffer to start writing from
+ * @param len The number of bytes to write.
+ *
+ * @exception IOException If an error occurs
+ */
void write(byte[] buf, int offset, int len) throws IOException
{
if (nativeFd == -1L)
@@ -206,14 +246,33 @@
nativeWriteBuf(nativeFd, buf, offset, len);
}
+ /**
+ * Reads a single byte from the file
+ *
+ * @return The byte read, in the low eight bits on a long, or -1
+ * if end of file
+ *
+ * @exception IOException If an error occurs
+ */
int read() throws IOException
{
if (nativeFd == -1L)
throw new IOException("Invalid FileDescriptor");
- return(nativeReadByte(nativeFd));
+ return nativeReadByte(nativeFd);
}
+ /**
+ * Reads a buffer of bytes from the file
+ *
+ * @param buf The buffer to read bytes into
+ * @param offset The offset into the buffer to start storing bytes
+ * @param len The number of bytes to read.
+ *
+ * @return The number of bytes read, or -1 if end of file.
+ *
+ * @exception IOException If an error occurs
+ */
int read(byte[] buf, int offset, int len) throws IOException
{
if (nativeFd == -1L)
@@ -230,17 +289,38 @@
// Note that above ops implicitly bomb if buf == null
- return(nativeReadBuf(nativeFd, buf, offset, len));
+ return nativeReadBuf(nativeFd, buf, offset, len);
}
+ /**
+ * Returns the number of bytes available for reading
+ *
+ * @return The number of bytes available for reading
+ *
+ * @exception IOException If an error occurs
+ */
int available() throws IOException
{
if (nativeFd == -1L)
throw new IOException("Invalid FileDescriptor");
- return(nativeAvailable(nativeFd));
+ return nativeAvailable(nativeFd);
}
+ /**
+ * Method to do a "seek" operation on the file
+ *
+ * @param offset The number of bytes to seek
+ * @param whence The position to seek from, either
+ * SET (0) for the beginning of the file, CUR (1) for the
+ * current position or END (2) for the end position.
+ * @param stopAtEof <code>true</code> to ensure that there is no
+ * seeking past the end of the file, <code>false</code> otherwise.
+ *
+ * @return The new file position, or -1 if end of file.
+ *
+ * @exception IOException If an error occurs
+ */
long seek(long offset, int whence, boolean stopAtEof) throws IOException
{
if (nativeFd == -1L)
@@ -249,25 +329,47 @@
if ((whence != SET) && (whence != CUR) && (whence != END))
throw new IllegalArgumentException("Invalid whence value: " + whence);
- return(nativeSeek(nativeFd, offset, whence, stopAtEof));
+ return nativeSeek(nativeFd, offset, whence, stopAtEof);
}
+ /**
+ * Returns the current position of the file pointer in the file
+ *
+ * @param fd The native file descriptor
+ *
+ * @exception IOException If an error occurs
+ */
long getFilePointer() throws IOException
{
if (nativeFd == -1L)
throw new IOException("Invalid FileDescriptor");
- return(nativeGetFilePointer(nativeFd));
+ return nativeGetFilePointer(nativeFd);
}
+ /**
+ * Returns the length of the file in bytes
+ *
+ * @return The length of the file in bytes
+ *
+ * @exception IOException If an error occurs
+ */
long getLength() throws IOException
{
if (nativeFd == -1L)
throw new IOException("Invalid FileDescriptor");
- return(nativeGetLength(nativeFd));
+ return nativeGetLength(nativeFd);
}
+ /**
+ * Sets the length of the file to the specified number of bytes
+ * This can result in truncation or extension.
+ *
+ * @param len The new length of the file
+ *
+ * @exception IOException If an error occurs
+ */
void setLength(long len) throws IOException
{
if (nativeFd == -1L)
@@ -283,7 +385,7 @@
// Don't do anything crazy with this
long getNativeFd()
{
- return(nativeFd);
+ return nativeFd;
}
private void setNativeFd(long nativeFd)
@@ -305,7 +407,7 @@
*/
/**
- * This method is called in the class initializer to do any require
+ * This method is called in the class initializer to do any require
* native library initialization. It is also responsible for initializing
* the in, out, and err variables.
*/
@@ -324,7 +426,7 @@
* @param path Name of the file to open
* @param mode Mode to open
*
- * @returns The resulting file descriptor for the opened file, or -1
+ * @return The resulting file descriptor for the opened file, or -1
* on failure (exception also signaled).
*
* @exception IOException If an error occurs.
@@ -337,7 +439,7 @@
*
* @param fd The native file descriptor to close
*
- * @returns The return code of the native close command.
+ * @return The return code of the native close command.
*
* @exception IOException If an error occurs
*/
@@ -354,7 +456,6 @@
* @exception IOException If an error occurs
*/
private native long nativeWriteByte(long fd, int b) throws IOException;
- // I hate name mangling.
/**
* Writes a byte buffer to the file
@@ -370,20 +471,18 @@
*/
private native long nativeWriteBuf(long fd, byte[] buf, int offset, int len)
throws IOException;
- // I hate name mangling.
/**
- * Reads a single byte from the file
- *
- * @param fd The native file descriptor to read from
- *
- * @return The byte read, in the low eight bits on a long, or -1
- * if end of file
- *
- * @exception IOException If an error occurs
- */
+ * Reads a single byte from the file
+ *
+ * @param fd The native file descriptor to read from
+ *
+ * @return The byte read, in the low eight bits on a long, or -1
+ * if end of file
+ *
+ * @exception IOException If an error occurs
+ */
private native int nativeReadByte(long fd) throws IOException;
- // I hate name mangling.
/**
* Reads a buffer of bytes from the file
@@ -399,7 +498,6 @@
*/
private native int nativeReadBuf(long fd, byte[] buf, int offset, int len)
throws IOException;
- // I hate name mangling.
/**
* Returns the number of bytes available for reading
@@ -439,7 +537,6 @@
* @exception IOException If an error occurs
*/
private native long nativeGetFilePointer(long fd) throws IOException;
- // Really could implement in terms of seek
/**
* Returns the length of the file in bytes
@@ -481,5 +578,4 @@
* @exception IOException If an error occurs
*/
private native void nativeSync(long fd) throws SyncFailedException;
-
-} // class FileDescriptor
+}
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