Initial commit

Proof-of-concept implementation. Bugs will occur.
2026-02-12 01:18:46 +03:00
commit 13ac06c14b
553 changed files with 253003 additions and 0 deletions
--- a/vendor/github.com/hanwen/go-fuse/v2/fuse/syscall_darwin.go
+++ b/vendor/github.com/hanwen/go-fuse/v2/fuse/syscall_darwin.go
@@ -0,0 +1,128 @@
+// Copyright 2016 the Go-FUSE Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package fuse
+
+import (
+	"bytes"
+	"syscall"
+	"unsafe"
+)
+
+func getxattr(path string, attr string, dest []byte) (sz int, errno int) {
+	pathBs, err := syscall.BytePtrFromString(path)
+	if err != nil {
+		return 0, int(syscall.EINVAL)
+	}
+
+	attrBs, err := syscall.BytePtrFromString(attr)
+	if err != nil {
+		return 0, int(syscall.EINVAL)
+	}
+
+	size, _, errNo := syscall.Syscall6(
+		syscall.SYS_GETXATTR,
+		uintptr(unsafe.Pointer(pathBs)),
+		uintptr(unsafe.Pointer(attrBs)),
+		uintptr(unsafe.Pointer(&dest[0])),
+		uintptr(len(dest)),
+		0, 0)
+	return int(size), int(errNo)
+}
+
+func GetXAttr(path string, attr string, dest []byte) (value []byte, errno int) {
+	sz, errno := getxattr(path, attr, dest)
+
+	for sz > cap(dest) && errno == 0 {
+		dest = make([]byte, sz)
+		sz, errno = getxattr(path, attr, dest)
+	}
+
+	if errno != 0 {
+		return nil, errno
+	}
+
+	return dest[:sz], errno
+}
+
+func listxattr(path string, dest []byte) (sz int, errno int) {
+	pathbs, err := syscall.BytePtrFromString(path)
+	if err != nil {
+		return 0, int(syscall.EINVAL)
+	}
+
+	var destPointer unsafe.Pointer
+	if len(dest) > 0 {
+		destPointer = unsafe.Pointer(&dest[0])
+	}
+	size, _, errNo := syscall.Syscall(
+		syscall.SYS_LISTXATTR,
+		uintptr(unsafe.Pointer(pathbs)),
+		uintptr(destPointer),
+		uintptr(len(dest)))
+
+	return int(size), int(errNo)
+}
+
+func ListXAttr(path string) (attributes []string, errno int) {
+	dest := make([]byte, 0)
+	sz, errno := listxattr(path, dest)
+	if errno != 0 {
+		return nil, errno
+	}
+
+	for sz > cap(dest) && errno == 0 {
+		dest = make([]byte, sz)
+		sz, errno = listxattr(path, dest)
+	}
+
+	// -1 to drop the final empty slice.
+	dest = dest[:sz-1]
+	attributesBytes := bytes.Split(dest, []byte{0})
+	attributes = make([]string, len(attributesBytes))
+	for i, v := range attributesBytes {
+		attributes[i] = string(v)
+	}
+	return attributes, errno
+}
+
+func Setxattr(path string, attr string, data []byte, flags int) (errno int) {
+	pathbs, err := syscall.BytePtrFromString(path)
+	if err != nil {
+		return int(syscall.EINVAL)
+	}
+
+	attrbs, err := syscall.BytePtrFromString(attr)
+	if err != nil {
+		return int(syscall.EINVAL)
+	}
+
+	_, _, errNo := syscall.Syscall6(
+		syscall.SYS_SETXATTR,
+		uintptr(unsafe.Pointer(pathbs)),
+		uintptr(unsafe.Pointer(attrbs)),
+		uintptr(unsafe.Pointer(&data[0])),
+		uintptr(len(data)),
+		uintptr(flags), 0)
+
+	return int(errNo)
+}
+
+func Removexattr(path string, attr string) (errno int) {
+	pathbs, err := syscall.BytePtrFromString(path)
+	if err != nil {
+		return int(syscall.EINVAL)
+	}
+
+	attrbs, err := syscall.BytePtrFromString(attr)
+	if err != nil {
+		return int(syscall.EINVAL)
+	}
+
+	_, _, errNo := syscall.Syscall(
+		syscall.SYS_REMOVEXATTR,
+		uintptr(unsafe.Pointer(pathbs)),
+		uintptr(unsafe.Pointer(attrbs)), 0)
+	return int(errNo)
+}