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/*
*
* Connection Manager
*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <endian.h>
#include <byteswap.h>
#define get_unaligned(ptr) \
({ \
struct __attribute__((packed)) { \
typeof(*(ptr)) __v; \
} *__p = (typeof(__p)) (ptr); \
__p->__v; \
})
#define put_unaligned(val, ptr) \
do { \
struct __attribute__((packed)) { \
typeof(*(ptr)) __v; \
} *__p = (typeof(__p)) (ptr); \
__p->__v = (val); \
} while(0)
#if __BYTE_ORDER == __LITTLE_ENDIAN
static inline uint64_t get_le64(const void *ptr)
{
return get_unaligned((const uint64_t *) ptr);
}
static inline uint64_t get_be64(const void *ptr)
{
return bswap_64(get_unaligned((const uint64_t *) ptr));
}
static inline uint32_t get_le32(const void *ptr)
{
return get_unaligned((const uint32_t *) ptr);
}
static inline uint32_t get_be32(const void *ptr)
{
return bswap_32(get_unaligned((const uint32_t *) ptr));
}
static inline uint16_t get_le16(const void *ptr)
{
return get_unaligned((const uint16_t *) ptr);
}
static inline uint16_t get_be16(const void *ptr)
{
return bswap_16(get_unaligned((const uint16_t *) ptr));
}
static inline void put_be16(uint16_t val, void *ptr)
{
put_unaligned(bswap_16(val), (uint16_t *) ptr);
}
static inline void put_be32(uint32_t val, void *ptr)
{
put_unaligned(bswap_32(val), (uint32_t *) ptr);
}
static inline void put_le16(uint16_t val, void *ptr)
{
put_unaligned(val, (uint16_t *) ptr);
}
static inline void put_le32(uint32_t val, void *ptr)
{
put_unaligned(val, (uint32_t *) ptr);
}
static inline void put_be64(uint64_t val, void *ptr)
{
put_unaligned(bswap_64(val), (uint64_t *) ptr);
}
static inline void put_le64(uint64_t val, void *ptr)
{
put_unaligned(val, (uint64_t *) ptr);
}
#elif __BYTE_ORDER == __BIG_ENDIAN
static inline uint64_t get_le64(const void *ptr)
{
return bswap_64(get_unaligned((const uint64_t *) ptr));
}
static inline uint64_t get_be64(const void *ptr)
{
return get_unaligned((const uint64_t *) ptr);
}
static inline uint32_t get_le32(const void *ptr)
{
return bswap_32(get_unaligned((const uint32_t *) ptr));
}
static inline uint32_t get_be32(const void *ptr)
{
return get_unaligned((const uint32_t *) ptr);
}
static inline uint16_t get_le16(const void *ptr)
{
return bswap_16(get_unaligned((const uint16_t *) ptr));
}
static inline uint16_t get_be16(const void *ptr)
{
return get_unaligned((const uint16_t *) ptr);
}
static inline void put_be16(uint16_t val, void *ptr)
{
put_unaligned(val, (uint16_t *) ptr);
}
static inline void put_be32(uint32_t val, void *ptr)
{
put_unaligned(val, (uint32_t *) ptr);
}
static inline void put_le16(uint16_t val, void *ptr)
{
put_unaligned(bswap_16(val), (uint16_t *) ptr);
}
static inline void put_le32(uint32_t val, void *ptr)
{
put_unaligned(bswap_32(val), (uint32_t *) ptr);
}
static inline void put_be64(uint64_t val, void *ptr)
{
put_unaligned(val, (uint64_t *) ptr);
}
static inline void put_le64(uint64_t val, void *ptr)
{
put_unaligned(bswap_64(val), (uint64_t *) ptr);
}
#else
#error "Unknown byte order"
#endif
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