/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * This program is copyright Alec Muffett 1993. The author disclaims all
 * responsibility or liability with respect to it's usage or its effect
 * upon hardware or computer systems, and maintains copyright as set out
 * in the "LICENCE" document which accompanies distributions of Crack v4.0
 * and upwards.
 */

#include "packer.h"


char
Chop(register char *string)
{
        register char c;
        register char *ptr;

        c = '\0';

        for (ptr = string; *ptr; ptr++);
        if (ptr != string) {
                c = *(--ptr);
                *ptr = '\0';
        }
        return (c);
}

char
Chomp(register char *string)
{
        register char c;
        register char *ptr;

        c = '\0';

        for (ptr = string; *ptr; ptr++)
                ;
        if (ptr != string && isspace(*(--ptr))) {
                c = *ptr;
                *ptr = '\0';
        }
        return (c);
}


char *
Trim(register char *string)
{
        register char *ptr;

        for (ptr = string; *ptr; ptr++);

        while ((--ptr >= string) && isspace(*ptr));

        *(++ptr) = '\0';

        return (ptr);
}