| // Copyright 2024 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_arc4random_buf arc4random_buf "/usr/lib/libSystem.B.dylib" | |
| func libc_arc4random_buf_trampoline() | |
| // ARC4Random calls the macOS arc4random_buf(3) function. | |
| func ARC4Random(p []byte) { | |
| // macOS 11 and 12 abort if length is 0. | |
| if len(p) == 0 { | |
| return | |
| } | |
| syscall_syscall(abi.FuncPCABI0(libc_arc4random_buf_trampoline), | |
| uintptr(unsafe.Pointer(unsafe.SliceData(p))), uintptr(len(p)), 0) | |
| } | |