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|
use std
use "bio.use"
pkg bio =
/* unsigned big endian */
generic putbe8 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
generic putbe16 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
generic putbe32 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
generic putbe64 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
/* unsigned little endian */
generic putle8 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
generic putle16 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
generic putle32 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
generic putle64 : (f : file#, v : @a::(numeric,integral) -> status(std.size))
;;
generic putbe8 = {f, v; -> putbe(f, v castto(uint64), 1)}
generic putbe16 = {f, v; -> putbe(f, v castto(uint64), 2)}
generic putbe32 = {f, v; -> putbe(f, v castto(uint64), 4)}
generic putbe64 = {f, v; -> putbe(f, v castto(uint64), 8)}
generic putle8 = {f, v; -> putle(f, v castto(uint64), 1)}
generic putle16 = {f, v; -> putle(f, v castto(uint64), 2)}
generic putle32 = {f, v; -> putle(f, v castto(uint64), 4)}
generic putle64 = {f, v; -> putle(f, v castto(uint64), 8)}
const putle = {f, v, n
var buf : byte[8]
match ensurewrite(f, n)
| `Err: -> `Err
| `Eof: -> `Eof
| `Ok _:
buf[0] = (v >> 0) & 0xff castto(byte)
buf[1] = (v >> 8) & 0xff castto(byte)
buf[2] = (v >> 16) & 0xff castto(byte)
buf[3] = (v >> 24) & 0xff castto(byte)
buf[4] = (v >> 32) & 0xff castto(byte)
buf[5] = (v >> 40) & 0xff castto(byte)
buf[6] = (v >> 48) & 0xff castto(byte)
buf[7] = (v >> 56) & 0xff castto(byte)
-> write(f, buf[:n])
;;
}
const putbe = {f, v, n
var buf : byte[8]
match ensurewrite(f, n)
| `Err: -> `Err
| `Eof: -> `Eof
| `Ok _:
buf[0] = (v >> 56) & 0xff castto(byte)
buf[1] = (v >> 48) & 0xff castto(byte)
buf[2] = (v >> 40) & 0xff castto(byte)
buf[3] = (v >> 32) & 0xff castto(byte)
buf[4] = (v >> 24) & 0xff castto(byte)
buf[5] = (v >> 16) & 0xff castto(byte)
buf[6] = (v >> 8) & 0xff castto(byte)
buf[7] = (v >> 0) & 0xff castto(byte)
-> write(f, buf[8-n:])
;;
}
|
