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Diffstat (limited to 'libglusterfs/src/byte-order.h')
| -rw-r--r-- | libglusterfs/src/byte-order.h | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/libglusterfs/src/byte-order.h b/libglusterfs/src/byte-order.h deleted file mode 100644 index 4101db2c71d..00000000000 --- a/libglusterfs/src/byte-order.h +++ /dev/null @@ -1,301 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef _BYTE_ORDER_H -#define _BYTE_ORDER_H - -#include <inttypes.h> - -#define LS1 0x00ffU -#define MS1 0xff00U -#define LS2 0x0000ffffU -#define MS2 0xffff0000U -#define LS4 0x00000000ffffffffULL -#define MS4 0xffffffff00000000ULL - - -static uint16_t (*hton16) (uint16_t); -static uint32_t (*hton32) (uint32_t); -static uint64_t (*hton64) (uint64_t); - -#define ntoh16 hton16 -#define ntoh32 hton32 -#define ntoh64 hton64 - -static uint16_t (*htole16) (uint16_t); -static uint32_t (*htole32) (uint32_t); -static uint64_t (*htole64) (uint64_t); - -#define letoh16 htole16 -#define letoh32 htole32 -#define letoh64 htole64 - -static uint16_t (*htobe16) (uint16_t); -static uint32_t (*htobe32) (uint32_t); -static uint64_t (*htobe64) (uint64_t); - -#define betoh16 htobe16 -#define betoh32 htobe32 -#define betoh64 htobe64 - - -#define do_swap2(x) (((x&LS1) << 8)|(((x&MS1) >> 8))) -#define do_swap4(x) ((do_swap2(x&LS2) << 16)|(do_swap2((x&MS2) >> 16))) -#define do_swap8(x) ((do_swap4(x&LS4) << 32)|(do_swap4((x&MS4) >> 32))) - - -static inline uint16_t -__swap16 (uint16_t x) -{ - return do_swap2(x); -} - - -static inline uint32_t -__swap32 (uint32_t x) -{ - return do_swap4(x); -} - - -static inline uint64_t -__swap64 (uint64_t x) -{ - return do_swap8(x); -} - - -static inline uint16_t -__noswap16 (uint16_t x) -{ - return x; -} - - -static inline uint32_t -__noswap32 (uint32_t x) -{ - return x; -} - - -static inline uint64_t -__noswap64 (uint64_t x) -{ - return x; -} - - -static inline uint16_t -__byte_order_n16 (uint16_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - hton16 = __swap16; - hton32 = __swap32; - hton64 = __swap64; - } else { - /* cpu is be */ - hton16 = __noswap16; - hton32 = __noswap32; - hton64 = __noswap64; - } - - return hton16 (i); -} - - -static inline uint32_t -__byte_order_n32 (uint32_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - hton16 = __swap16; - hton32 = __swap32; - hton64 = __swap64; - } else { - /* cpu is be */ - hton16 = __noswap16; - hton32 = __noswap32; - hton64 = __noswap64; - } - - return hton32 (i); -} - - -static inline uint64_t -__byte_order_n64 (uint64_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - hton16 = __swap16; - hton32 = __swap32; - hton64 = __swap64; - } else { - /* cpu is be */ - hton16 = __noswap16; - hton32 = __noswap32; - hton64 = __noswap64; - } - - return hton64 (i); -} - - -static uint16_t (*hton16) (uint16_t) = __byte_order_n16; -static uint32_t (*hton32) (uint32_t) = __byte_order_n32; -static uint64_t (*hton64) (uint64_t) = __byte_order_n64; - - -static inline uint16_t -__byte_order_le16 (uint16_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - htole16 = __noswap16; - htole32 = __noswap32; - htole64 = __noswap64; - } else { - /* cpu is be */ - htole16 = __swap16; - htole32 = __swap32; - htole64 = __swap64; - } - - return htole16 (i); -} - - -static inline uint32_t -__byte_order_le32 (uint32_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - htole16 = __noswap16; - htole32 = __noswap32; - htole64 = __noswap64; - } else { - /* cpu is be */ - htole16 = __swap16; - htole32 = __swap32; - htole64 = __swap64; - } - - return htole32 (i); -} - - -static inline uint64_t -__byte_order_le64 (uint64_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - htole16 = __noswap16; - htole32 = __noswap32; - htole64 = __noswap64; - } else { - /* cpu is be */ - htole16 = __swap16; - htole32 = __swap32; - htole64 = __swap64; - } - - return htole64 (i); -} - - -static uint16_t (*htole16) (uint16_t) = __byte_order_le16; -static uint32_t (*htole32) (uint32_t) = __byte_order_le32; -static uint64_t (*htole64) (uint64_t) = __byte_order_le64; - - -static inline uint16_t -__byte_order_be16 (uint16_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - htobe16 = __swap16; - htobe32 = __swap32; - htobe64 = __swap64; - } else { - /* cpu is be */ - htobe16 = __noswap16; - htobe32 = __noswap32; - htobe64 = __noswap64; - } - - return htobe16 (i); -} - - -static inline uint32_t -__byte_order_be32 (uint32_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - htobe16 = __swap16; - htobe32 = __swap32; - htobe64 = __swap64; - } else { - /* cpu is be */ - htobe16 = __noswap16; - htobe32 = __noswap32; - htobe64 = __noswap64; - } - - return htobe32 (i); -} - - -static inline uint64_t -__byte_order_be64 (uint64_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - /* cpu is le */ - htobe16 = __swap16; - htobe32 = __swap32; - htobe64 = __swap64; - } else { - /* cpu is be */ - htobe16 = __noswap16; - htobe32 = __noswap32; - htobe64 = __noswap64; - } - - return htobe64 (i); -} - - -static uint16_t (*htobe16) (uint16_t) = __byte_order_be16; -static uint32_t (*htobe32) (uint32_t) = __byte_order_be32; -static uint64_t (*htobe64) (uint64_t) = __byte_order_be64; - - - -#endif /* _BYTE_ORDER_H */ |