| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <asm/unistd.h> |
| |
| #define SIZE 1024 |
| |
| int main(int argc, char **argv) { |
| char buf[SIZE]; |
| int fd_z = syscall(__NR_openat, AT_FDCWD, "/dev/zero", O_RDONLY); |
| int fd_n = syscall(__NR_openat, AT_FDCWD, "/dev/null", O_RDONLY); |
| syscall(__NR_read, fd_z, buf, SIZE); |
| syscall(__NR_write, fd_n, buf, SIZE); |
| syscall(__NR_close, fd_z); |
| syscall(__NR_close, fd_n); |
| syscall(__NR_exit, 0); |
| } |
