42 lines
676 B
C
42 lines
676 B
C
/*
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* Unaligned Data Accesses -- Generic Version
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_UNALIGNED_H_
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#define _BIRD_UNALIGNED_H_
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#if CPU_NEEDS_ALIGN_WORD != 1 || CPU_NEEDS_ALIGN_LONG != 1
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#include <string.h>
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#endif
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#if CPU_NEEDS_ALIGN_WORD == 1
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#define unaligned_u16(p) (*((u16 *)(p)))
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#else
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static inline u16
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unaligned_u16(void *p)
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{
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u16 x;
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memcpy(&x, p, sizeof(x));
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return x;
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}
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#endif
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#if CPU_NEEDS_ALIGN_LONG == 1
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#define unaligned_u32(p) (*((u32 *)(p)))
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#else
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static inline u32
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unaligned_u32(void *p)
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{
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u32 x;
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memcpy(&x, p, sizeof(x));
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return x;
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}
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#endif
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#endif
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