diff options
Diffstat (limited to 'src/pkg/os/dir_unix.go')
-rw-r--r-- | src/pkg/os/dir_unix.go | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/pkg/os/dir_unix.go b/src/pkg/os/dir_unix.go deleted file mode 100644 index 7835ed52b..000000000 --- a/src/pkg/os/dir_unix.go +++ /dev/null @@ -1,67 +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 - -import ( - "syscall" -) - -const ( - blockSize = 4096 -) - -// Readdirnames reads and returns a slice of names from the directory f. -// -// If n > 0, Readdirnames returns at most n names. In this case, if -// Readdirnames returns an empty slice, it will return a non-nil error -// explaining why. At the end of a directory, the error is os.EOF. -// -// If n <= 0, Readdirnames returns all the names from the directory in -// a single slice. In this case, if Readdirnames succeeds (reads all -// the way to the end of the directory), it returns the slice and a -// nil os.Error. If it encounters an error before the end of the -// directory, Readdirnames returns the names read until that point and -// a non-nil error. -func (f *File) Readdirnames(n int) (names []string, err Error) { - // If this file has no dirinfo, create one. - if f.dirinfo == nil { - f.dirinfo = new(dirInfo) - // The buffer must be at least a block long. - f.dirinfo.buf = make([]byte, blockSize) - } - d := f.dirinfo - - size := n - if size <= 0 { - size = 100 - n = -1 - } - - names = make([]string, 0, size) // Empty with room to grow. - for n != 0 { - // Refill the buffer if necessary - if d.bufp >= d.nbuf { - d.bufp = 0 - var errno int - d.nbuf, errno = syscall.ReadDirent(f.fd, d.buf) - if errno != 0 { - return names, NewSyscallError("readdirent", errno) - } - if d.nbuf <= 0 { - break // EOF - } - } - - // Drain the buffer - var nb, nc int - nb, nc, names = syscall.ParseDirent(d.buf[d.bufp:d.nbuf], n, names) - d.bufp += nb - n -= nc - } - if n >= 0 && len(names) == 0 { - return names, EOF - } - return names, nil -} |