2 {-# OPTIONS -fno-implicit-prelude #-}
3 -----------------------------------------------------------------------------
5 -- Module : GHC.Storable
6 -- Copyright : (c) The FFI task force, 2000-2002
7 -- License : see libraries/base/LICENSE
9 -- Maintainer : ffi@haskell.org
10 -- Stability : internal
11 -- Portability : non-portable (GHC Extensions)
13 -- The 'Storable' class.
15 -----------------------------------------------------------------------------
41 , writeStablePtrOffPtr
52 import GHC.Stable ( StablePtr )
62 Helper functions for Foreign.Storable
66 readWideCharOffPtr :: Ptr Char -> Int -> IO Char
67 readIntOffPtr :: Ptr Int -> Int -> IO Int
68 readWordOffPtr :: Ptr Word -> Int -> IO Word
69 readPtrOffPtr :: Ptr (Ptr a) -> Int -> IO (Ptr a)
70 readFunPtrOffPtr :: Ptr (FunPtr a) -> Int -> IO (FunPtr a)
71 readFloatOffPtr :: Ptr Float -> Int -> IO Float
72 readDoubleOffPtr :: Ptr Double -> Int -> IO Double
73 readStablePtrOffPtr :: Ptr (StablePtr a) -> Int -> IO (StablePtr a)
74 readInt8OffPtr :: Ptr Int8 -> Int -> IO Int8
75 readInt16OffPtr :: Ptr Int16 -> Int -> IO Int16
76 readInt32OffPtr :: Ptr Int32 -> Int -> IO Int32
77 readInt64OffPtr :: Ptr Int64 -> Int -> IO Int64
78 readWord8OffPtr :: Ptr Word8 -> Int -> IO Word8
79 readWord16OffPtr :: Ptr Word16 -> Int -> IO Word16
80 readWord32OffPtr :: Ptr Word32 -> Int -> IO Word32
81 readWord64OffPtr :: Ptr Word64 -> Int -> IO Word64
83 readWideCharOffPtr (Ptr a) (I# i)
84 = IO $ \s -> case readWideCharOffAddr# a i s of (# s2, x #) -> (# s2, C# x #)
85 readIntOffPtr (Ptr a) (I# i)
86 = IO $ \s -> case readIntOffAddr# a i s of (# s2, x #) -> (# s2, I# x #)
87 readWordOffPtr (Ptr a) (I# i)
88 = IO $ \s -> case readWordOffAddr# a i s of (# s2, x #) -> (# s2, W# x #)
89 readPtrOffPtr (Ptr a) (I# i)
90 = IO $ \s -> case readAddrOffAddr# a i s of (# s2, x #) -> (# s2, Ptr x #)
91 readFunPtrOffPtr (Ptr a) (I# i)
92 = IO $ \s -> case readAddrOffAddr# a i s of (# s2, x #) -> (# s2, FunPtr x #)
93 readFloatOffPtr (Ptr a) (I# i)
94 = IO $ \s -> case readFloatOffAddr# a i s of (# s2, x #) -> (# s2, F# x #)
95 readDoubleOffPtr (Ptr a) (I# i)
96 = IO $ \s -> case readDoubleOffAddr# a i s of (# s2, x #) -> (# s2, D# x #)
97 readStablePtrOffPtr (Ptr a) (I# i)
98 = IO $ \s -> case readStablePtrOffAddr# a i s of (# s2, x #) -> (# s2, StablePtr x #)
99 readInt8OffPtr (Ptr a) (I# i)
100 = IO $ \s -> case readInt8OffAddr# a i s of (# s2, x #) -> (# s2, I8# x #)
101 readWord8OffPtr (Ptr a) (I# i)
102 = IO $ \s -> case readWord8OffAddr# a i s of (# s2, x #) -> (# s2, W8# x #)
103 readInt16OffPtr (Ptr a) (I# i)
104 = IO $ \s -> case readInt16OffAddr# a i s of (# s2, x #) -> (# s2, I16# x #)
105 readWord16OffPtr (Ptr a) (I# i)
106 = IO $ \s -> case readWord16OffAddr# a i s of (# s2, x #) -> (# s2, W16# x #)
107 readInt32OffPtr (Ptr a) (I# i)
108 = IO $ \s -> case readInt32OffAddr# a i s of (# s2, x #) -> (# s2, I32# x #)
109 readWord32OffPtr (Ptr a) (I# i)
110 = IO $ \s -> case readWord32OffAddr# a i s of (# s2, x #) -> (# s2, W32# x #)
111 readInt64OffPtr (Ptr a) (I# i)
112 = IO $ \s -> case readInt64OffAddr# a i s of (# s2, x #) -> (# s2, I64# x #)
113 readWord64OffPtr (Ptr a) (I# i)
114 = IO $ \s -> case readWord64OffAddr# a i s of (# s2, x #) -> (# s2, W64# x #)
116 writeWideCharOffPtr :: Ptr Char -> Int -> Char -> IO ()
117 writeIntOffPtr :: Ptr Int -> Int -> Int -> IO ()
118 writeWordOffPtr :: Ptr Word -> Int -> Word -> IO ()
119 writePtrOffPtr :: Ptr (Ptr a) -> Int -> Ptr a -> IO ()
120 writeFunPtrOffPtr :: Ptr (FunPtr a) -> Int -> FunPtr a -> IO ()
121 writeFloatOffPtr :: Ptr Float -> Int -> Float -> IO ()
122 writeDoubleOffPtr :: Ptr Double -> Int -> Double -> IO ()
123 writeStablePtrOffPtr :: Ptr (StablePtr a) -> Int -> StablePtr a -> IO ()
124 writeInt8OffPtr :: Ptr Int8 -> Int -> Int8 -> IO ()
125 writeInt16OffPtr :: Ptr Int16 -> Int -> Int16 -> IO ()
126 writeInt32OffPtr :: Ptr Int32 -> Int -> Int32 -> IO ()
127 writeInt64OffPtr :: Ptr Int64 -> Int -> Int64 -> IO ()
128 writeWord8OffPtr :: Ptr Word8 -> Int -> Word8 -> IO ()
129 writeWord16OffPtr :: Ptr Word16 -> Int -> Word16 -> IO ()
130 writeWord32OffPtr :: Ptr Word32 -> Int -> Word32 -> IO ()
131 writeWord64OffPtr :: Ptr Word64 -> Int -> Word64 -> IO ()
133 writeWideCharOffPtr (Ptr a) (I# i) (C# x)
134 = IO $ \s -> case writeWideCharOffAddr# a i x s of s2 -> (# s2, () #)
135 writeIntOffPtr (Ptr a) (I# i) (I# x)
136 = IO $ \s -> case writeIntOffAddr# a i x s of s2 -> (# s2, () #)
137 writeWordOffPtr (Ptr a) (I# i) (W# x)
138 = IO $ \s -> case writeWordOffAddr# a i x s of s2 -> (# s2, () #)
139 writePtrOffPtr (Ptr a) (I# i) (Ptr x)
140 = IO $ \s -> case writeAddrOffAddr# a i x s of s2 -> (# s2, () #)
141 writeFunPtrOffPtr (Ptr a) (I# i) (FunPtr x)
142 = IO $ \s -> case writeAddrOffAddr# a i x s of s2 -> (# s2, () #)
143 writeFloatOffPtr (Ptr a) (I# i) (F# x)
144 = IO $ \s -> case writeFloatOffAddr# a i x s of s2 -> (# s2, () #)
145 writeDoubleOffPtr (Ptr a) (I# i) (D# x)
146 = IO $ \s -> case writeDoubleOffAddr# a i x s of s2 -> (# s2, () #)
147 writeStablePtrOffPtr (Ptr a) (I# i) (StablePtr x)
148 = IO $ \s -> case writeStablePtrOffAddr# a i x s of s2 -> (# s2 , () #)
149 writeInt8OffPtr (Ptr a) (I# i) (I8# x)
150 = IO $ \s -> case writeInt8OffAddr# a i x s of s2 -> (# s2, () #)
151 writeWord8OffPtr (Ptr a) (I# i) (W8# x)
152 = IO $ \s -> case writeWord8OffAddr# a i x s of s2 -> (# s2, () #)
153 writeInt16OffPtr (Ptr a) (I# i) (I16# x)
154 = IO $ \s -> case writeInt16OffAddr# a i x s of s2 -> (# s2, () #)
155 writeWord16OffPtr (Ptr a) (I# i) (W16# x)
156 = IO $ \s -> case writeWord16OffAddr# a i x s of s2 -> (# s2, () #)
157 writeInt32OffPtr (Ptr a) (I# i) (I32# x)
158 = IO $ \s -> case writeInt32OffAddr# a i x s of s2 -> (# s2, () #)
159 writeWord32OffPtr (Ptr a) (I# i) (W32# x)
160 = IO $ \s -> case writeWord32OffAddr# a i x s of s2 -> (# s2, () #)
161 writeInt64OffPtr (Ptr a) (I# i) (I64# x)
162 = IO $ \s -> case writeInt64OffAddr# a i x s of s2 -> (# s2, () #)
163 writeWord64OffPtr (Ptr a) (I# i) (W64# x)
164 = IO $ \s -> case writeWord64OffAddr# a i x s of s2 -> (# s2, () #)