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reader.go
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reader.go
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package pio
func U8(b []byte) (i uint8) {
return b[0]
}
func U16BE(b []byte) (i uint16) {
i = uint16(b[0])
i <<= 8; i |= uint16(b[1])
return
}
func I16BE(b []byte) (i int16) {
i = int16(b[0])
i <<= 8; i |= int16(b[1])
return
}
func I24BE(b []byte) (i int32) {
i = int32(int8(b[0]))
i <<= 8; i |= int32(b[1])
i <<= 8; i |= int32(b[2])
return
}
func U24BE(b []byte) (i uint32) {
i = uint32(b[0])
i <<= 8; i |= uint32(b[1])
i <<= 8; i |= uint32(b[2])
return
}
func I32BE(b []byte) (i int32) {
i = int32(int8(b[0]))
i <<= 8; i |= int32(b[1])
i <<= 8; i |= int32(b[2])
i <<= 8; i |= int32(b[3])
return
}
func U32LE(b []byte) (i uint32) {
i = uint32(b[3])
i <<= 8; i |= uint32(b[2])
i <<= 8; i |= uint32(b[1])
i <<= 8; i |= uint32(b[0])
return
}
func U32BE(b []byte) (i uint32) {
i = uint32(b[0])
i <<= 8; i |= uint32(b[1])
i <<= 8; i |= uint32(b[2])
i <<= 8; i |= uint32(b[3])
return
}
func U40BE(b []byte) (i uint64) {
i = uint64(b[0])
i <<= 8; i |= uint64(b[1])
i <<= 8; i |= uint64(b[2])
i <<= 8; i |= uint64(b[3])
i <<= 8; i |= uint64(b[4])
return
}
func U64BE(b []byte) (i uint64) {
i = uint64(b[0])
i <<= 8; i |= uint64(b[1])
i <<= 8; i |= uint64(b[2])
i <<= 8; i |= uint64(b[3])
i <<= 8; i |= uint64(b[4])
i <<= 8; i |= uint64(b[5])
i <<= 8; i |= uint64(b[6])
i <<= 8; i |= uint64(b[7])
return
}
func I64BE(b []byte) (i int64) {
i = int64(int8(b[0]))
i <<= 8; i |= int64(b[1])
i <<= 8; i |= int64(b[2])
i <<= 8; i |= int64(b[3])
i <<= 8; i |= int64(b[4])
i <<= 8; i |= int64(b[5])
i <<= 8; i |= int64(b[6])
i <<= 8; i |= int64(b[7])
return
}