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unix: add bindings for setattrlist() on macOS

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The setattrlist() function can be used to mutate the attributes of files through a single call. For example, one can perform a chmod(), chown(), chflags(), [...] all at once.

This change also adds bindings for the UF_* and SF_* flags that are accepted by chflags(). This makes it possible to use setattrlist() to perform the equivalent of lchflags(), for which we currently have no binding.

Change-Id: Ib5a604503a984b95a02b65ad1a437246cd170584
GitHub-Last-Rev: 45dd9d475aa72d628eaa4d06221adba6afd60278
GitHub-Pull-Request: golang/sys#155
Reviewed-on: https://go-review.googlesource.com/c/sys/+/481815
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Ed Schouten
2023-04-04 14:21:21 +00:00
committed by Gopher Robot
parent 90abad3705
commit 64840c112d
13 changed files with 125 additions and 1 deletions
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unix/zsyscall_darwin_amd64.go
+25
View File
@@ -1992,6 +1992,31 @@ var libc_select_trampoline_addr uintptr
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setattrlist(path string, attrlist *Attrlist, attrBuf []byte, options int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 unsafe.Pointer
if len(attrBuf) > 0 {
_p1 = unsafe.Pointer(&attrBuf[0])
} else {
_p1 = unsafe.Pointer(&_zero)
}
_, _, e1 := syscall_syscall6(libc_setattrlist_trampoline_addr, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(attrlist)), uintptr(_p1), uintptr(len(attrBuf)), uintptr(options), 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
var libc_setattrlist_trampoline_addr uintptr
//go:cgo_import_dynamic libc_setattrlist setattrlist "/usr/lib/libSystem.B.dylib"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setegid(egid int) (err error) {
_, _, e1 := syscall_syscall(libc_setegid_trampoline_addr, uintptr(egid), 0, 0)
if e1 != 0 {