#ifndef _DB_SWAP_H_
#define _DB_SWAP_H_
#if defined(__cplusplus)
extern "C" {
#endif
#undef M_64_SWAP
#define M_64_SWAP(a) { \
u_int64_t _tmp; \
_tmp = (u_int64_t)a; \
((u_int8_t *)&a)[0] = ((u_int8_t *)&_tmp)[7]; \
((u_int8_t *)&a)[1] = ((u_int8_t *)&_tmp)[6]; \
((u_int8_t *)&a)[2] = ((u_int8_t *)&_tmp)[5]; \
((u_int8_t *)&a)[3] = ((u_int8_t *)&_tmp)[4]; \
((u_int8_t *)&a)[4] = ((u_int8_t *)&_tmp)[3]; \
((u_int8_t *)&a)[5] = ((u_int8_t *)&_tmp)[2]; \
((u_int8_t *)&a)[6] = ((u_int8_t *)&_tmp)[1]; \
((u_int8_t *)&a)[7] = ((u_int8_t *)&_tmp)[0]; \
}
#undef P_64_COPY
#define P_64_COPY(a, b) { \
((u_int8_t *)b)[0] = ((u_int8_t *)a)[0]; \
((u_int8_t *)b)[1] = ((u_int8_t *)a)[1]; \
((u_int8_t *)b)[2] = ((u_int8_t *)a)[2]; \
((u_int8_t *)b)[3] = ((u_int8_t *)a)[3]; \
((u_int8_t *)b)[4] = ((u_int8_t *)a)[4]; \
((u_int8_t *)b)[5] = ((u_int8_t *)a)[5]; \
((u_int8_t *)b)[6] = ((u_int8_t *)a)[6]; \
((u_int8_t *)b)[7] = ((u_int8_t *)a)[7]; \
}
#undef P_64_SWAP
#define P_64_SWAP(a) { \
u_int64_t _tmp; \
P_64_COPY(a, &_tmp); \
((u_int8_t *)a)[0] = ((u_int8_t *)&_tmp)[7]; \
((u_int8_t *)a)[1] = ((u_int8_t *)&_tmp)[6]; \
((u_int8_t *)a)[2] = ((u_int8_t *)&_tmp)[5]; \
((u_int8_t *)a)[3] = ((u_int8_t *)&_tmp)[4]; \
((u_int8_t *)a)[4] = ((u_int8_t *)&_tmp)[3]; \
((u_int8_t *)a)[5] = ((u_int8_t *)&_tmp)[2]; \
((u_int8_t *)a)[6] = ((u_int8_t *)&_tmp)[1]; \
((u_int8_t *)a)[7] = ((u_int8_t *)&_tmp)[0]; \
}
#undef M_32_SWAP
#define M_32_SWAP(a) { \
u_int32_t _tmp; \
_tmp = (u_int32_t)a; \
((u_int8_t *)&a)[0] = ((u_int8_t *)&_tmp)[3]; \
((u_int8_t *)&a)[1] = ((u_int8_t *)&_tmp)[2]; \
((u_int8_t *)&a)[2] = ((u_int8_t *)&_tmp)[1]; \
((u_int8_t *)&a)[3] = ((u_int8_t *)&_tmp)[0]; \
}
#undef P_32_COPY
#define P_32_COPY(a, b) { \
((u_int8_t *)b)[0] = ((u_int8_t *)a)[0]; \
((u_int8_t *)b)[1] = ((u_int8_t *)a)[1]; \
((u_int8_t *)b)[2] = ((u_int8_t *)a)[2]; \
((u_int8_t *)b)[3] = ((u_int8_t *)a)[3]; \
}
#undef P_32_SWAP
#define P_32_SWAP(a) { \
u_int32_t _tmp; \
P_32_COPY(a, &_tmp); \
((u_int8_t *)a)[0] = ((u_int8_t *)&_tmp)[3]; \
((u_int8_t *)a)[1] = ((u_int8_t *)&_tmp)[2]; \
((u_int8_t *)a)[2] = ((u_int8_t *)&_tmp)[1]; \
((u_int8_t *)a)[3] = ((u_int8_t *)&_tmp)[0]; \
}
#undef M_16_SWAP
#define M_16_SWAP(a) { \
u_int16_t _tmp; \
_tmp = (u_int16_t)a; \
((u_int8_t *)&a)[0] = ((u_int8_t *)&_tmp)[1]; \
((u_int8_t *)&a)[1] = ((u_int8_t *)&_tmp)[0]; \
}
#undef P_16_COPY
#define P_16_COPY(a, b) { \
((u_int8_t *)b)[0] = ((u_int8_t *)a)[0]; \
((u_int8_t *)b)[1] = ((u_int8_t *)a)[1]; \
}
#undef P_16_SWAP
#define P_16_SWAP(a) { \
u_int16_t _tmp; \
P_16_COPY(a, &_tmp); \
((u_int8_t *)a)[0] = ((u_int8_t *)&_tmp)[1]; \
((u_int8_t *)a)[1] = ((u_int8_t *)&_tmp)[0]; \
}
#undef SWAP32
#define SWAP32(p) { \
P_32_SWAP(p); \
(p) += sizeof(u_int32_t); \
}
#undef SWAP16
#define SWAP16(p) { \
P_16_SWAP(p); \
(p) += sizeof(u_int16_t); \
}
#undef DB_HTONL
#define DB_HTONL(p) do { \
if (!__db_isbigendian()) \
P_32_SWAP(p); \
} while (0)
#undef DB_NTOHL
#define DB_NTOHL(p) do { \
if (!__db_isbigendian()) \
P_32_SWAP(p); \
} while (0)
#if defined(__cplusplus)
}
#endif
#endif