diff options
Diffstat (limited to 'src/libstd/mem.rs')
| -rw-r--r-- | src/libstd/mem.rs | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/libstd/mem.rs b/src/libstd/mem.rs index 603f2b80eea..e124ada08c7 100644 --- a/src/libstd/mem.rs +++ b/src/libstd/mem.rs @@ -99,32 +99,127 @@ pub unsafe fn move_val_init<T>(dst: &mut T, src: T) { intrinsics::move_val_init(dst, src) } +/// Convert an i16 to little endian from the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn to_le16(x: i16) -> i16 { x } + +/// Convert an i16 to little endian from the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn to_le16(x: i16) -> i16 { unsafe { bswap16(x) } } + +/// Convert an i32 to little endian from the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn to_le32(x: i32) -> i32 { x } + +/// Convert an i32 to little endian from the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn to_le32(x: i32) -> i32 { unsafe { bswap32(x) } } + +/// Convert an i64 to little endian from the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn to_le64(x: i64) -> i64 { x } + +/// Convert an i64 to little endian from the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn to_le64(x: i64) -> i64 { unsafe { bswap64(x) } } + +/// Convert an i16 to big endian from the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn to_be16(x: i16) -> i16 { unsafe { bswap16(x) } } + +/// Convert an i16 to big endian from the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn to_be16(x: i16) -> i16 { x } + +/// Convert an i32 to big endian from the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn to_be32(x: i32) -> i32 { unsafe { bswap32(x) } } + +/// Convert an i32 to big endian from the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn to_be32(x: i32) -> i32 { x } + +/// Convert an i64 to big endian from the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn to_be64(x: i64) -> i64 { unsafe { bswap64(x) } } + +/// Convert an i64 to big endian from the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn to_be64(x: i64) -> i64 { x } + +/// Convert an i16 from little endian to the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn from_le16(x: i16) -> i16 { x } + +/// Convert an i16 from little endian to the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn from_le16(x: i16) -> i16 { unsafe { bswap16(x) } } + +/// Convert an i32 from little endian to the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn from_le32(x: i32) -> i32 { x } + +/// Convert an i32 from little endian to the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn from_le32(x: i32) -> i32 { unsafe { bswap32(x) } } + +/// Convert an i64 from little endian to the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn from_le64(x: i64) -> i64 { x } + +/// Convert an i64 from little endian to the target's endianness. +/// +/// On little endian, this is a no-op. On big endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn from_le64(x: i64) -> i64 { unsafe { bswap64(x) } } + +/// Convert an i16 from big endian to the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn from_be16(x: i16) -> i16 { unsafe { bswap16(x) } } + +/// Convert an i16 from big endian to the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn from_be16(x: i16) -> i16 { x } + +/// Convert an i32 from big endian to the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn from_be32(x: i32) -> i32 { unsafe { bswap32(x) } } + +/// Convert an i32 from big endian to the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn from_be32(x: i32) -> i32 { x } + +/// Convert an i64 from big endian to the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "little")] #[inline] pub fn from_be64(x: i64) -> i64 { unsafe { bswap64(x) } } + +/// Convert an i64 from big endian to the target's endianness. +/// +/// On big endian, this is a no-op. On little endian, the bytes are swapped. #[cfg(target_endian = "big")] #[inline] pub fn from_be64(x: i64) -> i64 { x } |