Source file src/internal/syscall/unix/arc4random_openbsd.go

     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  

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