/*
 * Haiku Command line apps
 * logname.c
 * Larry Cow <larrycow@free.fr>
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define DEFAULT_USER "baron"

#define HELP_TIP "Try '%s --help' for more information.\n"

#define HELP_MESSAGE "Usage: /bin/logname [OPTION]... 
Print the name of the current    

  --help\t display this help and exit
  --version\t output version information and exit
  
Reports bugs to <larrycow@free.fr>."

#define VERSION_MESSAGE "logname (OBOS) 1.0
Written by Larry Cow

Coded by Larry Cow 2002
Released under the MIT license with Haiku."

void dispatch_args(char* av0, char* av1)
{
        if (!strcmp(av1, "--help"))
        {
                puts(HELP_MESSAGE);
                return;
        }
        if (!strcmp(av1, "--version"))
        {
                puts(VERSION_MESSAGE);
                return;
        }
        printf(HELP_TIP, av0);
}

int main(int argc, char* argv[])
{
        if (argc > 1)
                dispatch_args(argv[0], argv[1]);
        else
        {
                char* user = getenv("USER");
                if (user == NULL)
                        puts(DEFAULT_USER);
                else
                        puts(user);
        }
        return 0;
}