xref: /titanic_41/usr/src/lib/libbc/libc/gen/sys5/sgetl.c (revision 355b4669e025ff377602b6fc7caaf30dbc218371)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*      Copyright (c) 1984 AT&T */
23 /*        All Rights Reserved   */
24 
25 #pragma ident	"%Z%%M%	%I%	%E% SMI"
26 /*
27  * Provide machine independent transfer of longs.
28  */
29 
30 /*
31  * The intent here is to provide a means to make the value of
32  * bytes in an io-buffer correspond to the value of a long
33  * in the memory while doing the io a `long' at a time.
34  * Files written and read in this way are machine-independent.
35  *
36  */
37 #include <values.h>
38 
39 long  sgetl(buffer)
40 register char *buffer;
41 {
42 	 register long l = 0;
43 	 register int i = BITSPERBYTE * sizeof(long);
44 
45 	 while ((i -= BITSPERBYTE) >= 0)
46 			 l |= (short) ((unsigned char) *buffer++) << i;
47 	 return  l;
48  }
49 
50