| // Copyright 2018 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // +build aix solaris |
| |
| package unix |
| |
| import ( |
| "syscall" |
| "unsafe" |
| ) |
| |
| //go:linkname procFstatat libc_fstatat |
| //go:linkname procOpenat libc_openat |
| //go:linkname procUnlinkat libc_unlinkat |
| |
| var ( |
| procFstatat, |
| procOpenat, |
| procUnlinkat uintptr |
| ) |
| |
| func Unlinkat(dirfd int, path string, flags int) error { |
| p, err := syscall.BytePtrFromString(path) |
| if err != nil { |
| return err |
| } |
| |
| _, _, errno := syscall6(uintptr(unsafe.Pointer(&procUnlinkat)), 3, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(flags), 0, 0, 0) |
| if errno != 0 { |
| return errno |
| } |
| |
| return nil |
| } |
| |
| func Openat(dirfd int, path string, flags int, perm uint32) (int, error) { |
| p, err := syscall.BytePtrFromString(path) |
| if err != nil { |
| return 0, err |
| } |
| |
| fd, _, errno := syscall6(uintptr(unsafe.Pointer(&procOpenat)), 4, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(flags), uintptr(perm), 0, 0) |
| if errno != 0 { |
| return 0, errno |
| } |
| |
| return int(fd), nil |
| } |
| |
| func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error { |
| p, err := syscall.BytePtrFromString(path) |
| if err != nil { |
| return err |
| } |
| |
| _, _, errno := syscall6(uintptr(unsafe.Pointer(&procFstatat)), 4, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0) |
| if errno != 0 { |
| return errno |
| } |
| |
| return nil |
| } |