27 #ifndef INCLUDED_BYTE_ORDER 28 #define INCLUDED_BYTE_ORDER 34 # define LITTLE_ENDIAN 0x4321 35 # define BIG_ENDIAN 0x1234 36 # if ARCH_IA32 || ARCH_IA64 || ARCH_AMD64 || ARCH_ALPHA || ARCH_ARM || ARCH_AARCH64 || ARCH_MIPS || ARCH_E2K || ARCH_PPC64 || defined(__LITTLE_ENDIAN__) 37 # define BYTE_ORDER LITTLE_ENDIAN 39 # define BYTE_ORDER BIG_ENDIAN 48 #define FOURCC(a,b,c,d) // real definition is below 61 #define FOURCC_BE(a,b,c,d) ( ((u32)(u8)a) << 24 | ((u32)(u8)b) << 16 | \ 62 ((u32)(u8)c) << 8 | ((u32)(u8)d) << 0 ) 65 #define FOURCC_LE(a,b,c,d) ( ((u32)(u8)a) << 0 | ((u32)(u8)b) << 8 | \ 66 ((u32)(u8)c) << 16 | ((u32)(u8)d) << 24 ) 68 #if BYTE_ORDER == BIG_ENDIAN 69 # define FOURCC FOURCC_BE 71 # define FOURCC FOURCC_LE 75 #if BYTE_ORDER == BIG_ENDIAN 77 # define to_le16(x) swap16(x) 78 # define to_le32(x) swap32(x) 79 # define to_le64(x) swap64(x) 81 # define to_be16(x) (x) 82 # define to_be32(x) (x) 83 # define to_be64(x) (x) 84 #else // LITTLE_ENDIAN 86 # define to_le16(x) (x) 87 # define to_le32(x) (x) 88 # define to_le64(x) (x) 90 # define to_be16(x) swap16(x) 91 # define to_be32(x) swap32(x) 92 # define to_be64(x) swap64(x) 131 #define swap32 _bswap 132 #define swap64 _bswap64 134 extern unsigned short _byteswap_ushort(
unsigned short);
135 extern unsigned long _byteswap_ulong(
unsigned long);
136 extern unsigned __int64 _byteswap_uint64(
unsigned __int64);
137 #pragma intrinsic(_byteswap_ushort) 138 #pragma intrinsic(_byteswap_ulong) 139 #pragma intrinsic(_byteswap_uint64) 140 # define swap16 _byteswap_ushort 141 # define swap32 _byteswap_ulong 142 # define swap64 _byteswap_uint64 144 # include <asm/byteorder.h> 145 # if defined(__arch__swab16) && !defined(swap16) 146 # define swap16 __arch__swab16 148 # if defined(__arch__swab32) && !defined(swap32) 149 # define swap32 __arch__swab32 151 # if defined(__arch__swab64) && !defined(swap64) 152 # define swap64 __arch__swab64 166 #endif // #ifndef INCLUDED_BYTE_ORDER int64_t i64
Definition: types.h:35
u64 swap64(const u64 x)
Definition: byte_order.cpp:52
u16 swap16(const u16 x)
Definition: byte_order.cpp:35
uint16_t u16
Definition: types.h:38
void write_le32(void *p, u32 x)
Definition: byte_order.cpp:118
void write_be32(void *p, u32 x)
Definition: byte_order.cpp:137
u64 movzx_le64(const u8 *p, size_t size)
see write_be16
Definition: byte_order.cpp:150
void write_be64(void *p, u64 x)
see write_be16
Definition: byte_order.cpp:143
uint8_t u8
Definition: types.h:37
uint64_t u64
Definition: types.h:40
u32 swap32(const u32 x)
Definition: byte_order.cpp:42
void write_le16(void *p, u16 x)
see read_be16
Definition: byte_order.cpp:112
i64 movsx_le64(const u8 *p, size_t size)
sign-extend <size> (truncated to 8) bytes of little-endian data to i64, starting at address <p> (need...
Definition: byte_order.cpp:192
u64 movzx_be64(const u8 *p, size_t size)
Definition: byte_order.cpp:159
uint32_t u32
Definition: types.h:39
i64 movsx_be64(const u8 *p, size_t size)
Definition: byte_order.cpp:198
void write_be16(void *p, u16 x)
see write_le16
Definition: byte_order.cpp:131
u16 read_be16(const void *p)
see read_le16
Definition: byte_order.cpp:90
u64 read_be64(const void *p)
see read_be16
Definition: byte_order.cpp:104
u64 read_le64(const void *p)
see read_le16
Definition: byte_order.cpp:82
void write_le64(void *p, u64 x)
see write_le16
Definition: byte_order.cpp:124
u32 read_be32(const void *p)
Definition: byte_order.cpp:97
u16 read_le16(const void *p)
read a little-endian number from memory into native byte order.
Definition: byte_order.cpp:68
u32 read_le32(const void *p)
Definition: byte_order.cpp:75