blob: 40450ca2a5a69e6a752a73fbc44fd4d6a8e4dc6b
1 | /* ***** BEGIN LICENSE BLOCK ***** |
2 | * Source last modified: $Id: helix_utils.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ |
3 | * |
4 | * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM |
5 | * Portions Copyright (c) 1995-2005 RealNetworks, Inc. |
6 | * All Rights Reserved. |
7 | * |
8 | * The contents of this file, and the files included with this file, |
9 | * are subject to the current version of the Real Format Source Code |
10 | * Porting and Optimization License, available at |
11 | * https://helixcommunity.org/2005/license/realformatsource (unless |
12 | * RealNetworks otherwise expressly agrees in writing that you are |
13 | * subject to a different license). You may also obtain the license |
14 | * terms directly from RealNetworks. You may not use this file except |
15 | * in compliance with the Real Format Source Code Porting and |
16 | * Optimization License. There are no redistribution rights for the |
17 | * source code of this file. Please see the Real Format Source Code |
18 | * Porting and Optimization License for the rights, obligations and |
19 | * limitations governing use of the contents of the file. |
20 | * |
21 | * RealNetworks is the developer of the Original Code and owns the |
22 | * copyrights in the portions it created. |
23 | * |
24 | * This file, and the files included with this file, is distributed and |
25 | * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, |
26 | * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL |
27 | * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT |
29 | * OR NON-INFRINGEMENT. |
30 | * |
31 | * Technology Compatibility Kit Test Suite(s) Location: |
32 | * https://rarvcode-tck.helixcommunity.org |
33 | * |
34 | * Contributor(s): |
35 | * |
36 | * ***** END LICENSE BLOCK ***** */ |
37 | |
38 | #ifndef HELIX_UTILS_H |
39 | #define HELIX_UTILS_H |
40 | |
41 | #include "helix_config.h" |
42 | |
43 | #ifdef __cplusplus |
44 | extern "C" { |
45 | #endif /* #ifdef __cplusplus */ |
46 | |
47 | |
48 | /* |
49 | * General support macros |
50 | * |
51 | */ |
52 | |
53 | #define HX_MAX(a, b) (((a) > (b)) ? (a) : (b)) |
54 | #define HX_MIN(a, b) (((a) < (b)) ? (a) : (b)) |
55 | |
56 | /* |
57 | * Macro: IS_BIG_ENDIAN() |
58 | * |
59 | * Endianness detection macro. |
60 | * Requires local test_int = 0xFF for correct operation. |
61 | * Set ARCH_IS_BIG_ENDIAN in helix_config.h for best performance. |
62 | * |
63 | */ |
64 | |
65 | #if !defined(ARCH_IS_BIG_ENDIAN) |
66 | #define IS_BIG_ENDIAN(test_int) ((*((char*)&test_int)) == 0) |
67 | #else |
68 | #define IS_BIG_ENDIAN(test_int) ARCH_IS_BIG_ENDIAN |
69 | #endif |
70 | |
71 | /* |
72 | * Macro: HX_GET_MAJOR_VERSION() |
73 | * |
74 | * Given the encoded product version, |
75 | * returns the major version number. |
76 | */ |
77 | #define HX_GET_MAJOR_VERSION(prodVer) ((prodVer >> 28) & 0xF) |
78 | |
79 | /* |
80 | * Macro: HX_GET_MINOR_VERSION() |
81 | * |
82 | * Given the encoded product version, |
83 | * returns the minor version number. |
84 | */ |
85 | #define HX_GET_MINOR_VERSION(prodVer) ((prodVer >> 20) & 0xFF) |
86 | |
87 | /* |
88 | * Macro: HX_ENCODE_PROD_VERSION() |
89 | * |
90 | * Given the major version, minor version, |
91 | * release number, and build number, |
92 | * returns the encoded product version. |
93 | */ |
94 | #define HX_ENCODE_PROD_VERSION(major,minor,release,build) \ |
95 | ((ULONG32)((ULONG32)major << 28) | ((ULONG32)minor << 20) | \ |
96 | ((ULONG32)release << 12) | (ULONG32)build) |
97 | |
98 | #define HX_GET_PRIVATE_FIELD(ulversion)(ulversion & (UINT32)0xFF) |
99 | |
100 | #ifdef __cplusplus |
101 | } |
102 | #endif /* #ifdef __cplusplus */ |
103 | |
104 | |
105 | #endif /* HELIX_UTILS_H */ |
106 | |
107 |