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x/sys/unix: add *linkat functions on linux

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* expose readlinkat, symlinkat

Fixes golang/go#14459

Change-Id: I8dc87401bb1025c2404e7304ecc4561edd67a452
Reviewed-on: https://go-review.googlesource.com/30890
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Hiroshi Ioka
2016-10-12 00:19:20 +00:00
committed by Ian Lance Taylor
parent 67f277b6fe
commit 9bb9f0998d
9 changed files with 31 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/syscall_linux.go
+7 -11
View File
@@ -69,10 +69,10 @@ func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error
return ppoll(&fds[0], len(fds), timeout, sigmask) return ppoll(&fds[0], len(fds), timeout, sigmask)
} }
//sys readlinkat(dirfd int, path string, buf []byte) (n int, err error) //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
func Readlink(path string, buf []byte) (n int, err error) { func Readlink(path string, buf []byte) (n int, err error) {
return readlinkat(AT_FDCWD, path, buf) return Readlinkat(AT_FDCWD, path, buf)
} }
func Rename(oldpath string, newpath string) (err error) { func Rename(oldpath string, newpath string) (err error) {
@@ -80,24 +80,20 @@ func Rename(oldpath string, newpath string) (err error) {
} }
func Rmdir(path string) error { func Rmdir(path string) error {
return unlinkat(AT_FDCWD, path, AT_REMOVEDIR) return Unlinkat(AT_FDCWD, path, AT_REMOVEDIR)
} }
//sys symlinkat(oldpath string, newdirfd int, newpath string) (err error) //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
func Symlink(oldpath string, newpath string) (err error) { func Symlink(oldpath string, newpath string) (err error) {
return symlinkat(oldpath, AT_FDCWD, newpath) return Symlinkat(oldpath, AT_FDCWD, newpath)
} }
func Unlink(path string) error { func Unlink(path string) error {
return unlinkat(AT_FDCWD, path, 0) return Unlinkat(AT_FDCWD, path, 0)
} }
//sys unlinkat(dirfd int, path string, flags int) (err error) //sys Unlinkat(dirfd int, path string, flags int) (err error)
func Unlinkat(dirfd int, path string, flags int) error {
return unlinkat(dirfd, path, flags)
}
//sys utimes(path string, times *[2]Timeval) (err error) //sys utimes(path string, times *[2]Timeval) (err error)
unix/zsyscall_linux_386.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_amd64.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_arm.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_arm64.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_mips64.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_mips64le.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_ppc64.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
unix/zsyscall_linux_ppc64le.go
+3 -3
View File
@@ -64,7 +64,7 @@ func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int,
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readlinkat(dirfd int, path string, buf []byte) (n int, err error) { func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {
@@ -87,7 +87,7 @@ func readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func symlinkat(oldpath string, newdirfd int, newpath string) (err error) { func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(oldpath) _p0, err = BytePtrFromString(oldpath)
if err != nil { if err != nil {
@@ -109,7 +109,7 @@ func symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func unlinkat(dirfd int, path string, flags int) (err error) { func Unlinkat(dirfd int, path string, flags int) (err error) {
var _p0 *byte var _p0 *byte
_p0, err = BytePtrFromString(path) _p0, err = BytePtrFromString(path)
if err != nil { if err != nil {