arc4random_openbsd.mx raw

   1  // Copyright 2024 The Go Authors. All rights reserved.
   2  // Use of this source code is governed by a BSD-style
   3  // license that can be found in the LICENSE file.
   4  
   5  package unix
   6  
   7  import (
   8  	"internal/abi"
   9  	"syscall"
  10  	"unsafe"
  11  )
  12  
  13  //go:linkname syscall_syscall syscall.syscall
  14  func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
  15  
  16  //go:cgo_import_dynamic libc_arc4random_buf arc4random_buf "libc.so"
  17  
  18  func libc_arc4random_buf_trampoline()
  19  
  20  func ARC4Random(p []byte) {
  21  	syscall_syscall(abi.FuncPCABI0(libc_arc4random_buf_trampoline),
  22  		uintptr(unsafe.Pointer(unsafe.SliceData(p))), uintptr(len(p)), 0)
  23  }
  24