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 |