diff options
Diffstat (limited to 'src/pkg/os/file_posix.go')
| -rw-r--r-- | src/pkg/os/file_posix.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/pkg/os/file_posix.go b/src/pkg/os/file_posix.go index 3df43feaa..a8bef359b 100644 --- a/src/pkg/os/file_posix.go +++ b/src/pkg/os/file_posix.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build darwin freebsd linux netbsd openbsd windows +// +build darwin dragonfly freebsd linux netbsd openbsd windows package os @@ -86,6 +86,9 @@ func Chmod(name string, mode FileMode) error { // Chmod changes the mode of the file to mode. // If there is an error, it will be of type *PathError. func (f *File) Chmod(mode FileMode) error { + if f == nil { + return ErrInvalid + } if e := syscall.Fchmod(f.fd, syscallMode(mode)); e != nil { return &PathError{"chmod", f.name, e} } @@ -115,6 +118,9 @@ func Lchown(name string, uid, gid int) error { // Chown changes the numeric uid and gid of the named file. // If there is an error, it will be of type *PathError. func (f *File) Chown(uid, gid int) error { + if f == nil { + return ErrInvalid + } if e := syscall.Fchown(f.fd, uid, gid); e != nil { return &PathError{"chown", f.name, e} } @@ -125,6 +131,9 @@ func (f *File) Chown(uid, gid int) error { // It does not change the I/O offset. // If there is an error, it will be of type *PathError. func (f *File) Truncate(size int64) error { + if f == nil { + return ErrInvalid + } if e := syscall.Ftruncate(f.fd, size); e != nil { return &PathError{"truncate", f.name, e} } |