/*
 *  Empire - A multi-player, client/server Internet based war game.
 *  Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
 *                           Ken Stevens, Steve McClure
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  ---
 *
 *  See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
 *  related information and legal notices. It is expected that any future
 *  projects/authors will amend these files as needed.
 *
 *  ---
 *
 *  fsize.c: BSD dependant file and block sizing routines
 * 
 *  Known contributors to this file:
 *     Dave Pare, 1986
 *     Doug Hay, 1998
 *     Steve McClure, 1998
 */

#include "misc.h"
#include "common.h"

#include <fcntl.h>
#include <sys/stat.h>
#if !defined(_WIN32)
#include <unistd.h>
#endif

/*
 * return the size of the file in bytes.
 */
int
fsize(int fd)
{
    struct stat statb;

    if (fstat(fd, &statb) < 0)
	return -1;
    return statb.st_size;
}

/*
 * return the block size of the filesystem
 * If it's not a filesystem, return 1024.
 */
int
blksize(int fd)
{
#if defined(_WIN32)
    return 2048;
#elif (!defined (aix) && !defined (sgi))
    struct stat statb;

    if (fstat(fd, &statb) < 0)
	return 1024;
    return statb.st_blksize;
#else
    return 1024;
#endif
}

time_t
fdate(int fd)
{
    struct stat statb;

    if (fstat(fd, &statb) < 0)
	return 0;
    return statb.st_mtime;
}

void
filetruncate(s_char *name)
{
    close(open(name, O_RDWR | O_TRUNC, 0660));
}