ucbcmd/basename/basename.c

	basename.c revision f22acdfff536d452df49dd85c5ecd42092b8fcad
/*
 * 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.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#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);
}