1/*****************************************************************************/
2/* */
3/* util.h */
4/* */
5/* Utility functions for the cc65 C compiler */
6/* */
7/* */
8/* */
9/* (C) 1998-2004 Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef UTIL_H
37#define UTIL_H
38
39
40
41/*****************************************************************************/
42/* Code */
43/*****************************************************************************/
44
45
46
47int PowerOf2 (unsigned long Val);
48/* Return the exponent if val is a power of two. Return -1 if val is not a
49** power of two.
50*/
51
52
53
54/* End of util.h */
55
56#endif
57