diff options
Diffstat (limited to 'src/pkg/os/dir_nacl.go')
-rw-r--r-- | src/pkg/os/dir_nacl.go | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/pkg/os/dir_nacl.go b/src/pkg/os/dir_nacl.go deleted file mode 100644 index e693794f0..000000000 --- a/src/pkg/os/dir_nacl.go +++ /dev/null @@ -1,77 +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" - "unsafe" -) - -const ( - blockSize = 4096 // TODO(r): use statfs -) - -func clen(n []byte) int { - for i := 0; i < len(n); i++ { - if n[i] == 0 { - return i - } - } - return len(n) -} - -func (file *File) Readdirnames(count int) (names []string, err Error) { - // If this file has no dirinfo, create one. - if file.dirinfo == nil { - file.dirinfo = new(dirInfo) - // The buffer must be at least a block long. - // TODO(r): use fstatfs to find fs block size. - file.dirinfo.buf = make([]byte, blockSize) - } - d := file.dirinfo - size := count - if size < 0 { - size = 100 - } - names = make([]string, 0, size) // Empty with room to grow. - for count != 0 { - // Refill the buffer if necessary - if d.bufp >= d.nbuf { - var errno int - d.nbuf, errno = syscall.Getdents(file.fd, d.buf) - if errno != 0 { - return names, NewSyscallError("getdents", errno) - } - if d.nbuf <= 0 { - break // EOF - } - d.bufp = 0 - } - // Drain the buffer - for count != 0 && d.bufp < d.nbuf { - dirent := (*syscall.Dirent)(unsafe.Pointer(&d.buf[d.bufp])) - d.bufp += int(dirent.Reclen) - if dirent.Ino == 0 { // File absent in directory. - continue - } - bytes := (*[len(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0])) - var name = string(bytes[0:clen(bytes)]) - if name == "." || name == ".." { // Useless names - continue - } - count-- - if len(names) == cap(names) { - nnames := make([]string, len(names), 2*len(names)) - for i := 0; i < len(names); i++ { - nnames[i] = names[i] - } - names = nnames - } - names = names[0 : len(names)+1] - names[len(names)-1] = name - } - } - return names, nil -} |