Commit b1487ee9 authored by Martin Mareš's avatar Martin Mareš

Added generic functions for unaligned data access.

parent ed68a5c6
/*
* Unaligned Data Accesses
* Unaligned Data Accesses -- Generic Version
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*
......@@ -9,4 +9,34 @@
#ifndef _BIRD_UNALIGNED_H_
#define _BIRD_UNALIGNED_H_
#if CPU_NEEDS_ALIGN_WORD != 1 || CPU_NEEDS_ALIGN_LONG != 1
#include <string.h>
#endif
#if CPU_NEEDS_ALIGN_WORD == 1
#define unaligned_u16(p) (*((u16 *)(p)))
#else
static inline u16
unaligned_u16(void *p)
{
u16 x;
memcpy(&x, p, sizeof(x));
return x;
}
#endif
#if CPU_NEEDS_ALIGN_LONG == 1
#define unaligned_u32(p) (*((u32 *)(p)))
#else
static inline u32
unaligned_u32(void *p)
{
u32 x;
memcpy(&x, p, sizeof(x));
return x;
}
#endif
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment