1
0
mirror of https://github.com/golang/go synced 2024-11-22 12:24:47 -07:00

simple accessors for Dir mode bits

R=rsc
DELTA=71  (71 added, 0 deleted, 0 changed)
OCL=24687
CL=24694
This commit is contained in:
Rob Pike 2009-02-09 12:50:54 -08:00
parent a948fdd626
commit cad7a3aefc
3 changed files with 71 additions and 0 deletions

View File

@ -4,6 +4,8 @@
package os
import "syscall"
// An operating-system independent representation of Unix data structures.
// OS-specific routines in this directory convert the OS-local versions to these.
@ -24,3 +26,35 @@ type Dir struct {
Ctime_ns uint64; // nanoseconds since 1970
Name string;
}
func (dir *Dir) IsFifo() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFIFO
}
func (dir *Dir) IsChar() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFCHR
}
func (dir *Dir) IsDirectory() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFDIR
}
func (dir *Dir) IsBlock() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFBLK
}
func (dir *Dir) IsRegular() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFREG
}
func (dir *Dir) IsSymlink() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFLNK
}
func (dir *Dir) IsSocket() bool {
return (dir.Mode & syscall.S_IFMT) == syscall.S_IFSOCK
}
func (dir *Dir) Permission() int {
return int(dir.Mode & 0777)
}

View File

@ -69,6 +69,25 @@ const (
NAME_MAX = 255;
)
// Dir.Mode bits
const (
S_IFMT = 0170000; /* type of file */
S_IFIFO = 0010000; /* named pipe (fifo) */
S_IFCHR = 0020000; /* character special */
S_IFDIR = 0040000; /* directory */
S_IFBLK = 0060000; /* block special */
S_IFREG = 0100000; /* regular */
S_IFLNK = 0120000; /* symbolic link */
S_IFSOCK = 0140000; /* socket */
S_IFWHT = 0160000; /* whiteout */
S_ISUID = 0004000; /* set user id on execution */
S_ISGID = 0002000; /* set group id on execution */
S_ISVTX = 0001000; /* save swapped text even after use */
S_IRUSR = 0000400; /* read permission, owner */
S_IWUSR = 0000200; /* write permission, owner */
S_IXUSR = 0000100; /* execute/search permission, owner */
)
type Stat_t struct {
Dev uint32;
Mode uint16;

View File

@ -69,6 +69,24 @@ const (
NAME_MAX = 255;
)
// Dir.Mode bits
const (
S_IFMT = 0170000; /* type of file */
S_IFIFO = 0010000; /* named pipe (fifo) */
S_IFCHR = 0020000; /* character special */
S_IFDIR = 0040000; /* directory */
S_IFBLK = 0060000; /* block special */
S_IFREG = 0100000; /* regular */
S_IFLNK = 0120000; /* symbolic link */
S_IFSOCK = 0140000; /* socket */
S_ISUID = 0004000; /* set user id on execution */
S_ISGID = 0002000; /* set group id on execution */
S_ISVTX = 0001000; /* save swapped text even after use */
S_IRUSR = 0000400; /* read permission, owner */
S_IWUSR = 0000200; /* write permission, owner */
S_IXUSR = 0000100; /* execute/search permission, owner */
)
type Stat_t struct {
Dev uint64;
Ino uint64;