root/usr/src/ucbcmd/basename/basename.c
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

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

int
main(int argc, char **argv)
{
        char *p1, *p2, *p3;

        if (argc < 2) {
                (void) putchar('\n');
                exit(1);
        }
        p1 = argv[1];
        p2 = p1;
        while (*p1) {
                if (*p1++ == '/')
                        p2 = p1;
        }
        if (argc > 2) {
                p3 = argv[2];
                while (*p3)
                        p3++;

                while (p3 > argv[2])
                        if (p1 <= p2 || *--p3 != *--p1)
                                goto output;
                *p1 = '\0';
        }
output:

        (void) fputs(p2, stdout);
        (void) putc('\n', stdout);
        return (0);
}