1 /* @(#)filesize.c	1.14 06/09/13 Copyright 1986, 1995-2003 J. Schilling */
2 /*
3  *	Copyright (c) 1986, 1995-2003 J. Schilling
4  */
5 /*
6  * The contents of this file are subject to the terms of the
7  * Common Development and Distribution License, Version 1.0 only
8  * (the "License").  You may not use this file except in compliance
9  * with the License.
10  *
11  * See the file CDDL.Schily.txt in this distribution for details.
12  * A copy of the CDDL is also available via the Internet at
13  * http://www.opensource.org/licenses/cddl1.txt
14  *
15  * When distributing Covered Code, include this CDDL HEADER in each
16  * file and include the License file CDDL.Schily.txt from this distribution.
17  */
18 
19 #include "schilyio.h"
20 #include <schily/stat.h>
21 
22 EXPORT off_t
filesize(f)23 filesize(f)
24 	register FILE	*f;
25 {
26 	struct stat buf;
27 
28 	down(f);
29 	if (fstat(fileno(f), &buf) < 0) {
30 		raisecond("filesize", 0L);
31 		return (-1);
32 	}
33 	return (buf.st_size);
34 }
35