xref: /titanic_50/usr/src/lib/libast/common/stdio/fread.c (revision 5d0e1406420f52cc4d3d0543044034c4894b5865)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 
24 #include "stdhdr.h"
25 
26 size_t
27 fread(void* p, size_t s, size_t n, Sfio_t* f)
28 {
29 	ssize_t	v;
30 
31 	STDIO_INT(f, "fread", ssize_t, (void*, size_t, size_t, Sfio_t*), (p, s, n, f))
32 
33 	return ((v = sfread(f, p, s * n)) <= 0) ? 0 : (v / s);
34 }
35