Imported Upstream version 60

1 files changed, 0 insertions, 211 deletions

diff --git a/src/pkg/os/file.go b/src/pkg/os/file.go
deleted file mode 100644
index 4335d45e5..000000000
--- a/src/pkg/os/file.go
+++ /dev/null
@@ -1,211 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package os provides a platform-independent interface to operating system
-// functionality.  The design is Unix-like.
-// The os interface is intended to be uniform across all operating systems.
-// Features not generally available appear in the system-specific package syscall.
-package os
-
-import (
-	"syscall"
-)
-
-// Name returns the name of the file as presented to Open.
-func (file *File) Name() string { return file.name }
-
-// Stdin, Stdout, and Stderr are open Files pointing to the standard input,
-// standard output, and standard error file descriptors.
-var (
-	Stdin  = NewFile(syscall.Stdin, "/dev/stdin")
-	Stdout = NewFile(syscall.Stdout, "/dev/stdout")
-	Stderr = NewFile(syscall.Stderr, "/dev/stderr")
-)
-
-// Flags to Open wrapping those of the underlying system. Not all flags
-// may be implemented on a given system.
-const (
-	O_RDONLY   int = syscall.O_RDONLY   // open the file read-only.
-	O_WRONLY   int = syscall.O_WRONLY   // open the file write-only.
-	O_RDWR     int = syscall.O_RDWR     // open the file read-write.
-	O_APPEND   int = syscall.O_APPEND   // append data to the file when writing.
-	O_ASYNC    int = syscall.O_ASYNC    // generate a signal when I/O is available.
-	O_CREATE   int = syscall.O_CREAT    // create a new file if none exists.
-	O_EXCL     int = syscall.O_EXCL     // used with O_CREATE, file must not exist
-	O_NOCTTY   int = syscall.O_NOCTTY   // do not make file the controlling tty.
-	O_NONBLOCK int = syscall.O_NONBLOCK // open in non-blocking mode.
-	O_NDELAY   int = O_NONBLOCK         // synonym for O_NONBLOCK
-	O_SYNC     int = syscall.O_SYNC     // open for synchronous I/O.
-	O_TRUNC    int = syscall.O_TRUNC    // if possible, truncate file when opened.
-)
-
-// Seek whence values.
-const (
-	SEEK_SET int = 0 // seek relative to the origin of the file
-	SEEK_CUR int = 1 // seek relative to the current offset
-	SEEK_END int = 2 // seek relative to the end
-)
-
-type eofError int
-
-func (eofError) String() string { return "EOF" }
-
-// EOF is the Error returned by Read when no more input is available.
-// Functions should return EOF only to signal a graceful end of input.
-// If the EOF occurs unexpectedly in a structured data stream,
-// the appropriate error is either io.ErrUnexpectedEOF or some other error
-// giving more detail.
-var EOF Error = eofError(0)
-
-// Read reads up to len(b) bytes from the File.
-// It returns the number of bytes read and an Error, if any.
-// EOF is signaled by a zero count with err set to EOF.
-func (file *File) Read(b []byte) (n int, err Error) {
-	if file == nil {
-		return 0, EINVAL
-	}
-	n, e := file.read(b)
-	if n < 0 {
-		n = 0
-	}
-	if n == 0 && !iserror(e) {
-		return 0, EOF
-	}
-	if iserror(e) {
-		err = &PathError{"read", file.name, Errno(e)}
-	}
-	return n, err
-}
-
-// ReadAt reads len(b) bytes from the File starting at byte offset off.
-// It returns the number of bytes read and the Error, if any.
-// EOF is signaled by a zero count with err set to EOF.
-// ReadAt always returns a non-nil Error when n != len(b).
-func (file *File) ReadAt(b []byte, off int64) (n int, err Error) {
-	if file == nil {
-		return 0, EINVAL
-	}
-	for len(b) > 0 {
-		m, e := file.pread(b, off)
-		if m == 0 && !iserror(e) {
-			return n, EOF
-		}
-		if iserror(e) {
-			err = &PathError{"read", file.name, Errno(e)}
-			break
-		}
-		n += m
-		b = b[m:]
-		off += int64(m)
-	}
-	return
-}
-
-// Write writes len(b) bytes to the File.
-// It returns the number of bytes written and an Error, if any.
-// Write returns a non-nil Error when n != len(b).
-func (file *File) Write(b []byte) (n int, err Error) {
-	if file == nil {
-		return 0, EINVAL
-	}
-	n, e := file.write(b)
-	if n < 0 {
-		n = 0
-	}
-
-	epipecheck(file, e)
-
-	if iserror(e) {
-		err = &PathError{"write", file.name, Errno(e)}
-	}
-	return n, err
-}
-
-// WriteAt writes len(b) bytes to the File starting at byte offset off.
-// It returns the number of bytes written and an Error, if any.
-// WriteAt returns a non-nil Error when n != len(b).
-func (file *File) WriteAt(b []byte, off int64) (n int, err Error) {
-	if file == nil {
-		return 0, EINVAL
-	}
-	for len(b) > 0 {
-		m, e := file.pwrite(b, off)
-		if iserror(e) {
-			err = &PathError{"write", file.name, Errno(e)}
-			break
-		}
-		n += m
-		b = b[m:]
-		off += int64(m)
-	}
-	return
-}
-
-// Seek sets the offset for the next Read or Write on file to offset, interpreted
-// according to whence: 0 means relative to the origin of the file, 1 means
-// relative to the current offset, and 2 means relative to the end.
-// It returns the new offset and an Error, if any.
-func (file *File) Seek(offset int64, whence int) (ret int64, err Error) {
-	r, e := file.seek(offset, whence)
-	if !iserror(e) && file.dirinfo != nil && r != 0 {
-		e = syscall.EISDIR
-	}
-	if iserror(e) {
-		return 0, &PathError{"seek", file.name, Errno(e)}
-	}
-	return r, nil
-}
-
-// WriteString is like Write, but writes the contents of string s rather than
-// an array of bytes.
-func (file *File) WriteString(s string) (ret int, err Error) {
-	if file == nil {
-		return 0, EINVAL
-	}
-	return file.Write([]byte(s))
-}
-
-// Mkdir creates a new directory with the specified name and permission bits.
-// It returns an error, if any.
-func Mkdir(name string, perm uint32) Error {
-	e := syscall.Mkdir(name, perm)
-	if iserror(e) {
-		return &PathError{"mkdir", name, Errno(e)}
-	}
-	return nil
-}
-
-// Chdir changes the current working directory to the named directory.
-func Chdir(dir string) Error {
-	if e := syscall.Chdir(dir); iserror(e) {
-		return &PathError{"chdir", dir, Errno(e)}
-	}
-	return nil
-}
-
-// Chdir changes the current working directory to the file,
-// which must be a directory.
-func (f *File) Chdir() Error {
-	if e := syscall.Fchdir(f.fd); iserror(e) {
-		return &PathError{"chdir", f.name, Errno(e)}
-	}
-	return nil
-}
-
-// Open opens the named file for reading.  If successful, methods on
-// the returned file can be used for reading; the associated file
-// descriptor has mode O_RDONLY.
-// It returns the File and an Error, if any.
-func Open(name string) (file *File, err Error) {
-	return OpenFile(name, O_RDONLY, 0)
-}
-
-// Create creates the named file mode 0666 (before umask), truncating
-// it if it already exists.  If successful, methods on the returned
-// File can be used for I/O; the associated file descriptor has mode
-// O_RDWR.
-// It returns the File and an Error, if any.
-func Create(name string) (file *File, err Error) {
-	return OpenFile(name, O_RDWR|O_CREATE|O_TRUNC, 0666)
-}