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Last change
on this file since 3485 was 3485, checked in by bird, 25 years ago |
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Changed and hopefully corrected code identifying the kernel type.
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File size:
925 bytes
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| 1 | /* $Id: macros.h,v 1.2 2000-05-03 10:46:07 bird Exp $
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| 2 | *
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| 3 | * Common macros for Win32k/Elf.
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| 4 | *
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| 5 | * Copyright (c) 2000 knut st. osmundsen
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | #ifndef _MACROS_H_
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| 12 | #define _MACROS_H_
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| 13 |
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| 14 |
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| 15 | #define MAX(a, b) (((a) > (b))? (a) : (b))
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| 16 | #define MIN(a, b) (((a) < (b))? (a) : (b))
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| 17 | #define MINNOTNULL(a, b) ((a) != NULL && (b) != NULL ? MIN(a,b) : ((a) != NULL ? (a) : (b)))
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| 18 | #define MAXNOTNULL(a, b) ((a) != NULL && (b) != NULL ? MAX(a,b) : ((a) != NULL ? (a) : (b)))
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| 19 |
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| 20 | /*
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| 21 | * Aligns something, a, up to nearest alignment boundrary-
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| 22 | * Note: Aligment must be a 2**n number.
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| 23 | */
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| 24 | #define ALIGN(a, alignment) (((a) + (alignment - 1UL)) & ~(alignment - 1UL))
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| 25 |
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| 26 |
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| 27 | /*
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| 28 | * Makes an unsigned long from 4 (unsigned or signed) chars.
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| 29 | */
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| 30 | #define MAKEULONG4(ch1, ch2, ch3, ch4) \
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| 31 | ((ULONG)(MAKEULONG(MAKEUSHORT(ch1, ch2), MAKEUSHORT(ch3, ch4))))
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| 32 |
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| 33 | #endif
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