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// Copyright 2022 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.
package unix
import (
"internal/abi"
"unsafe"
)
//go:cgo_import_dynamic libc_grantpt grantpt "/usr/lib/libSystem.B.dylib"
func libc_grantpt_trampoline()
func Grantpt(fd int) error {
_, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_grantpt_trampoline), uintptr(fd), 0, 0, 0, 0, 0)
if errno != 0 {
return errno
}
return nil
}
//go:cgo_import_dynamic libc_unlockpt unlockpt "/usr/lib/libSystem.B.dylib"
func libc_unlockpt_trampoline()
func Unlockpt(fd int) error {
_, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_unlockpt_trampoline), uintptr(fd), 0, 0, 0, 0, 0)
if errno != 0 {
return errno
}
return nil
}
//go:cgo_import_dynamic libc_ptsname_r ptsname_r "/usr/lib/libSystem.B.dylib"
func libc_ptsname_r_trampoline()
func Ptsname(fd int) (string, error) {
buf := make([]byte, 256)
_, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_ptsname_r_trampoline),
uintptr(fd),
uintptr(unsafe.Pointer(&buf[0])),
uintptr(len(buf)-1),
0, 0, 0)
if errno != 0 {
return "", errno
}
for i, c := range buf {
if c == 0 {
buf = buf[:i]
break
}
}
return string(buf), nil
}
//go:cgo_import_dynamic libc_posix_openpt posix_openpt "/usr/lib/libSystem.B.dylib"
func libc_posix_openpt_trampoline()
func PosixOpenpt(flag int) (fd int, err error) {
ufd, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_posix_openpt_trampoline), uintptr(flag), 0, 0, 0, 0, 0)
if errno != 0 {
return -1, errno
}
return int(ufd), nil
}
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