8dc2499aa6
gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//-go:build linux || openbsd || netbsd || dragonfly
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package unix
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import (
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"syscall"
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)
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//extern unlinkat
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func unlinkat(int32, *byte, int32) int32
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//extern __go_openat
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func openat(int32, *byte, int32, syscall.Mode_t) int32
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func Unlinkat(dirfd int, path string, flags int) error {
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var p *byte
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p, err := syscall.BytePtrFromString(path)
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if err != nil {
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return err
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}
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syscall.Entersyscall()
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r := unlinkat(int32(dirfd), p, int32(flags))
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var errno syscall.Errno
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if r < 0 {
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errno = syscall.GetErrno()
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}
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syscall.Exitsyscall()
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if r < 0 {
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return errno
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}
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return nil
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}
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func Openat(dirfd int, path string, flags int, perm uint32) (int, error) {
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var p *byte
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p, err := syscall.BytePtrFromString(path)
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if err != nil {
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return 0, err
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}
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syscall.Entersyscall()
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fd := openat(int32(dirfd), p, int32(flags), syscall.Mode_t(perm))
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var errno syscall.Errno
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if fd < 0 {
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errno = syscall.GetErrno()
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}
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syscall.Exitsyscall()
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if fd < 0 {
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return 0, errno
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}
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return int(fd), nil
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}
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func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
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var p *byte
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p, err := syscall.BytePtrFromString(path)
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if err != nil {
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return err
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}
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syscall.Entersyscall()
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r := fstatat(int32(dirfd), p, stat, int32(flags))
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var errno syscall.Errno
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if r < 0 {
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errno = syscall.GetErrno()
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}
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syscall.Exitsyscall()
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if r < 0 {
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return errno
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}
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return nil
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}
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