1/*
2 * Haiku Command line apps
3 * logname.c
4 * Larry Cow <larrycow@free.fr>
5 */
6
7#include <stdlib.h>
8#include <stdio.h>
9#include <string.h>
10
11#define DEFAULT_USER "baron"
12
13#define HELP_TIP "Try '%s --help' for more information.\n"
14
15#define HELP_MESSAGE "Usage: /bin/logname [OPTION]...
16Print the name of the current
17
18  --help\t display this help and exit
19  --version\t output version information and exit
20
21Reports bugs to <larrycow@free.fr>."
22
23#define VERSION_MESSAGE "logname (OBOS) 1.0
24Written by Larry Cow
25
26Coded by Larry Cow 2002
27Released under the MIT license with Haiku."
28
29void dispatch_args(char* av0, char* av1)
30{
31	if (!strcmp(av1, "--help"))
32	{
33		puts(HELP_MESSAGE);
34		return;
35	}
36	if (!strcmp(av1, "--version"))
37	{
38		puts(VERSION_MESSAGE);
39		return;
40	}
41	printf(HELP_TIP, av0);
42}
43
44int main(int argc, char* argv[])
45{
46	if (argc > 1)
47		dispatch_args(argv[0], argv[1]);
48	else
49	{
50		char* user = getenv("USER");
51		if (user == NULL)
52			puts(DEFAULT_USER);
53		else
54			puts(user);
55	}
56	return 0;
57}
58