1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84
|
#ifndef TYPES_H
#define TYPES_H
#include <string.h>
#include "config.h"
/*
* Use the byte-order macros provided by the compiler if available, else
* fall back to the ones provided by the C library.
*/
#ifdef __BYTE_ORDER__
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define BIGENDIAN
#endif
#else /* __BYTE_ORDER__ */
#include <endian.h>
#if __BYTE_ORDER == __BIG_ENDIAN
#define BIGENDIAN
#endif
#endif /* __BYTE_ORDER__ */
#ifdef BIGENDIAN
#ifndef bswap_16
#include <byteswap.h>
#endif
#endif
typedef unsigned char u8;
typedef unsigned short u16;
typedef signed short i16;
typedef unsigned int u32;
typedef unsigned long long int u64;
/*
* Per SMBIOS v2.8.0 and later, all structures assume a little-endian
* ordering convention.
*/
static inline u16 WORD(const void *x)
{
u16 ret;
memcpy(&ret, x, sizeof(ret));
#ifdef BIGENDIAN
#ifdef bswap_16
ret = bswap_16(ret);
#else
ret = __builtin_bswap16(ret);
#endif
#endif
return ret;
}
static inline u32 DWORD(const void *x)
{
u32 ret;
memcpy(&ret, x, sizeof(ret));
#ifdef BIGENDIAN
#ifdef bswap_32
ret = bswap_32(ret);
#else
ret = __builtin_bswap32(ret);
#endif
#endif
return ret;
}
static inline u64 QWORD(const void *x)
{
u64 ret;
memcpy(&ret, x, sizeof(ret));
#ifdef BIGENDIAN
#ifdef bswap_64
ret = bswap_64(ret);
#else
ret = __builtin_bswap64(ret);
#endif
#endif
return ret;
}
#undef BIGENDIAN
#endif
|