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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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p0f - type definitions and minor macros
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---------------------------------------
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Copyright (C) 2012 by Michal Zalewski <lcamtuf@coredump.cx>
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Distributed under the terms and conditions of GNU LGPL.
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*/
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#ifndef _HAVE_TYPES_H
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#define _HAVE_TYPES_H
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#include <stdint.h>
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef int8_t s8;
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typedef int16_t s16;
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typedef int32_t s32;
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typedef int64_t s64;
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#ifndef MIN
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# define MIN(_a,_b) ((_a) > (_b) ? (_b) : (_a))
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# define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
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#endif /* !MIN */
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/* Macros for non-aligned memory access. */
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#ifdef ALIGN_ACCESS
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# include <string.h>
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# define RD16(_val) ({ u16 _ret; memcpy(&_ret, &(_val), 2); _ret; })
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# define RD32(_val) ({ u32 _ret; memcpy(&_ret, &(_val), 4); _ret; })
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# define RD16p(_ptr) ({ u16 _ret; memcpy(&_ret, _ptr, 2); _ret; })
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# define RD32p(_ptr) ({ u32 _ret; memcpy(&_ret, _ptr, 4); _ret; })
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#else
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# define RD16(_val) ((u16)_val)
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# define RD32(_val) ((u32)_val)
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# define RD16p(_ptr) (*((u16*)(_ptr)))
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# define RD32p(_ptr) (*((u32*)(_ptr)))
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#endif /* ^ALIGN_ACCESS */
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#endif /* ! _HAVE_TYPES_H */
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