/*
 * Copyright (c) 1999 Alexandre Wennmacher (wennmach@geo.Uni-Koeln.DE)
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 * This product includes software developed by Alexandre Wennmacher.
 * 4. The name of Alexandre Wennmacher may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY ALEXANDRE WENNMACHER AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL ALEXANDRE WENNMACHER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>

#define     roundup(x, y)   ((((x)+((y)-1))/(y))*(y))

int fd;
int pagesize;
off_t len;

int
main(void)
{
    fd = open("xworld.tmp", O_RDWR, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP |
        S_IXGRP | S_IROTH | S_IXOTH);
    if (fd == -1) {
        perror("pad: could not open xworld.tmp");
        exit(1);
    }
    pagesize = getpagesize();
    len = lseek(fd, (off_t)0, SEEK_END);
    if (len == -1) {
        perror("pad: could not lseek end of xworld.tmp");
        exit(1);
    }
    len = roundup(len, pagesize);
    if (ftruncate(fd, len) != 0) {
        perror("pad: could not ftruncate xworld.tmp");
        exit(1);
    }
    (void)close(fd);
    exit(0);
}