1/* hello.c - A hello world program. (Simple template for new commands.)
2 *
3 * Copyright 2012 Rob Landley <rob@landley.net>
4 *
5 * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/
6 * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html
7
8USE_HELLO(NEWTOY(hello, 0, TOYFLAG_USR|TOYFLAG_BIN))
9
10config HELLO
11  bool "hello"
12  default n
13  help
14    usage: hello [-s]
15
16    A hello world program.  You don't need this.
17
18    Mostly used as a simple template for adding new commands.
19    Occasionally nice to smoketest kernel booting via "init=/usr/bin/hello".
20*/
21
22#define FOR_hello
23#include "toys.h"
24
25GLOBALS(
26  int unused;
27)
28
29void hello_main(void)
30{
31  xprintf("Hello world\n");
32
33  // Avoid kernel panic if run as init.
34  if (getpid() == 1) wait(&TT.unused);
35}
36