NetBSD/sys/lib/libsa/stat.c

73 lines
2.4 KiB
C

/*-
* Copyright (c) 1993
* The Regents of the University of California. 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
*
* from: @(#)stat.c 8.1 (Berkeley) 6/11/93
* $Id: stat.c,v 1.1 1994/01/26 02:03:59 brezak Exp $
*/
#include "stand.h"
fstat(fd, sb)
int fd;
struct stat *sb;
{
register struct open_file *f = &files[fd];
if ((unsigned)fd >= SOPEN_MAX || f->f_flags == 0) {
errno = EBADF;
return (-1);
}
/* operation not defined on raw devices */
if (f->f_flags & F_RAW) {
errno = EOPNOTSUPP;
return (-1);
}
errno = (f->f_ops->stat)(f, sb);
return (0);
}
stat(str, sb)
const char *str;
struct stat *sb;
{
int fd, rv;
fd = open(str, 0);
if (fd < 0)
return (-1);
rv = fstat(fd, sb);
(void)close(fd);
return (rv);
}