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Side by Side Diff: src/os/file_unix.go

Issue 162390043: code review 162390043: os: fix build (Closed)
Patch Set: diff -r 814c34722d34971f2a744e98a50a7d183af2a910 https://code.google.com/p/go/ Created 10 years, 4 months ago
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1 // Copyright 2009 The Go Authors. All rights reserved. 1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style 2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file. 3 // license that can be found in the LICENSE file.
4 4
5 // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris 5 // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
6 6
7 package os 7 package os
8 8
9 import ( 9 import (
10 "runtime" 10 "runtime"
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235 b = b[:maxRW] 235 b = b[:maxRW]
236 } 236 }
237 return fixCount(syscall.Pwrite(f.fd, b, off)) 237 return fixCount(syscall.Pwrite(f.fd, b, off))
238 } 238 }
239 239
240 // seek sets the offset for the next Read or Write on file to offset, interprete d 240 // seek sets the offset for the next Read or Write on file to offset, interprete d
241 // according to whence: 0 means relative to the origin of the file, 1 means 241 // according to whence: 0 means relative to the origin of the file, 1 means
242 // relative to the current offset, and 2 means relative to the end. 242 // relative to the current offset, and 2 means relative to the end.
243 // It returns the new offset and an error, if any. 243 // It returns the new offset and an error, if any.
244 func (f *File) seek(offset int64, whence int) (ret int64, err error) { 244 func (f *File) seek(offset int64, whence int) (ret int64, err error) {
245 » return fixCount(syscall.Seek(f.fd, offset, whence)) 245 » return syscall.Seek(f.fd, offset, whence)
246 } 246 }
247 247
248 // Truncate changes the size of the named file. 248 // Truncate changes the size of the named file.
249 // If the file is a symbolic link, it changes the size of the link's target. 249 // If the file is a symbolic link, it changes the size of the link's target.
250 // If there is an error, it will be of type *PathError. 250 // If there is an error, it will be of type *PathError.
251 func Truncate(name string, size int64) error { 251 func Truncate(name string, size int64) error {
252 if e := syscall.Truncate(name, size); e != nil { 252 if e := syscall.Truncate(name, size); e != nil {
253 return &PathError{"truncate", name, e} 253 return &PathError{"truncate", name, e}
254 } 254 }
255 return nil 255 return nil
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329 329
330 // Symlink creates newname as a symbolic link to oldname. 330 // Symlink creates newname as a symbolic link to oldname.
331 // If there is an error, it will be of type *LinkError. 331 // If there is an error, it will be of type *LinkError.
332 func Symlink(oldname, newname string) error { 332 func Symlink(oldname, newname string) error {
333 e := syscall.Symlink(oldname, newname) 333 e := syscall.Symlink(oldname, newname)
334 if e != nil { 334 if e != nil {
335 return &LinkError{"symlink", oldname, newname, e} 335 return &LinkError{"symlink", oldname, newname, e}
336 } 336 }
337 return nil 337 return nil
338 } 338 }
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