lib: split endian into network/big/little per ref/hare/endian

hton/ntoh -> network.ww (ref/hare/endian/network.ha:5-36); be* byte
get/put -> big.ww (ref/hare/endian/big.ha:5-48); le* -> little.ww
(ref/hare/endian/little.ha:5-48). ww does not port endian.ha's host
dispatch, so no host file appears.

Pure move: every fn is byte-identical; the three section banner
lines are deleted (file names now carry them). The module-doc header
rides with network.ww — its amd64-is-LE sentence is the WHY for
hton being a swap.

Consumers: Makefile WWFIXTURE_SRC entry replaced in place. The
byteid roster is untouched: lib/endian is enrolled as an
import-probe keyed on `package endian;`, which every new file
still declares.
This commit is contained in:
2026-08-08 16:42:35 +09:00
parent 4c0d2d33e3
commit 8539343de4
5 changed files with 138 additions and 141 deletions

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@@ -70,7 +70,8 @@ WWFIXTURE_SRC = cmd/wwfixture/wwfixture.ww \
lib/ascii/ascii.ww lib/bytes/bytes.ww \
lib/crypto/math/math.ww lib/crypto/sha256/sha256.ww \
lib/encoding/hex/hex.ww lib/encoding/utf8/utf8.ww \
lib/endian/endian.ww lib/errors/errors.ww lib/fmt/fmt.ww \
lib/endian/big.ww lib/endian/little.ww lib/endian/network.ww \
lib/errors/errors.ww lib/fmt/fmt.ww \
lib/fnmatch/fnmatch.ww lib/hash/hash.ww \
lib/io/empty.ww lib/io/io.ww lib/io/stream.ww lib/io/types.ww \
lib/math/floats.ww lib/math/math.ww lib/memio/memio.ww \

51
lib/endian/big.ww Normal file
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@@ -0,0 +1,51 @@
package endian;
export fn begetu16(buf: []u8) u16 = {
let b0: u16 = buf[0]: u16;
let b1: u16 = buf[1]: u16;
return (b0 << 8u16) | b1;
};
export fn beputu16(buf: []u8, in: u16) void = {
buf[0] = ((in >> 8u16) & 0xffu16): u8;
buf[1] = (in & 0xffu16): u8;
};
export fn begetu32(buf: []u8) u32 = {
let b0: u32 = buf[0]: u32;
let b1: u32 = buf[1]: u32;
let b2: u32 = buf[2]: u32;
let b3: u32 = buf[3]: u32;
return (b0 << 24u32) | (b1 << 16u32) | (b2 << 8u32) | b3;
};
export fn beputu32(buf: []u8, in: u32) void = {
buf[0] = ((in >> 24u32) & 0xffu32): u8;
buf[1] = ((in >> 16u32) & 0xffu32): u8;
buf[2] = ((in >> 8u32) & 0xffu32): u8;
buf[3] = (in & 0xffu32): u8;
};
export fn begetu64(buf: []u8) u64 = {
let b0: u64 = buf[0]: u64;
let b1: u64 = buf[1]: u64;
let b2: u64 = buf[2]: u64;
let b3: u64 = buf[3]: u64;
let b4: u64 = buf[4]: u64;
let b5: u64 = buf[5]: u64;
let b6: u64 = buf[6]: u64;
let b7: u64 = buf[7]: u64;
return (b0 << 56u64) | (b1 << 48u64) | (b2 << 40u64) | (b3 << 32u64)
| (b4 << 24u64) | (b5 << 16u64) | (b6 << 8u64) | b7;
};
export fn beputu64(buf: []u8, in: u64) void = {
buf[0] = ((in >> 56u64) & 0xffu64): u8;
buf[1] = ((in >> 48u64) & 0xffu64): u8;
buf[2] = ((in >> 40u64) & 0xffu64): u8;
buf[3] = ((in >> 32u64) & 0xffu64): u8;
buf[4] = ((in >> 24u64) & 0xffu64): u8;
buf[5] = ((in >> 16u64) & 0xffu64): u8;
buf[6] = ((in >> 8u64) & 0xffu64): u8;
buf[7] = (in & 0xffu64): u8;
};

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@@ -1,140 +0,0 @@
// endian — byte-order conversions. Mirrors Hare's endian:: surface:
// big-endian (be*), little-endian (le*), and network-order (hton/ntoh)
// helpers. Host order on amd64 is little-endian, so hton/ntoh are
// byte swaps and the le* family is identity.
// ---- network order (host ↔ big-endian, since amd64 is LE) -----------
package endian;
export fn htonu16(in: u16) u16 = {
return ((in << 8u16) | (in >> 8u16)) & 0xffffu16;
};
export fn ntohu16(in: u16) u16 = { return htonu16(in); };
export fn htonu32(in: u32) u32 = {
let b0: u32 = (in >> 24u32) & 0xffu32;
let b1: u32 = (in >> 16u32) & 0xffu32;
let b2: u32 = (in >> 8u32) & 0xffu32;
let b3: u32 = in & 0xffu32;
return (b3 << 24u32) | (b2 << 16u32) | (b1 << 8u32) | b0;
};
export fn ntohu32(in: u32) u32 = { return htonu32(in); };
export fn htonu64(in: u64) u64 = {
let b0: u64 = (in >> 56u64) & 0xffu64;
let b1: u64 = (in >> 48u64) & 0xffu64;
let b2: u64 = (in >> 40u64) & 0xffu64;
let b3: u64 = (in >> 32u64) & 0xffu64;
let b4: u64 = (in >> 24u64) & 0xffu64;
let b5: u64 = (in >> 16u64) & 0xffu64;
let b6: u64 = (in >> 8u64) & 0xffu64;
let b7: u64 = in & 0xffu64;
return (b7 << 56u64) | (b6 << 48u64) | (b5 << 40u64) | (b4 << 32u64)
| (b3 << 24u64) | (b2 << 16u64) | (b1 << 8u64) | b0;
};
export fn ntohu64(in: u64) u64 = { return htonu64(in); };
// ---- big-endian byte get/put on a slice ------------------------------
export fn begetu16(buf: []u8) u16 = {
let b0: u16 = buf[0]: u16;
let b1: u16 = buf[1]: u16;
return (b0 << 8u16) | b1;
};
export fn beputu16(buf: []u8, in: u16) void = {
buf[0] = ((in >> 8u16) & 0xffu16): u8;
buf[1] = (in & 0xffu16): u8;
};
export fn begetu32(buf: []u8) u32 = {
let b0: u32 = buf[0]: u32;
let b1: u32 = buf[1]: u32;
let b2: u32 = buf[2]: u32;
let b3: u32 = buf[3]: u32;
return (b0 << 24u32) | (b1 << 16u32) | (b2 << 8u32) | b3;
};
export fn beputu32(buf: []u8, in: u32) void = {
buf[0] = ((in >> 24u32) & 0xffu32): u8;
buf[1] = ((in >> 16u32) & 0xffu32): u8;
buf[2] = ((in >> 8u32) & 0xffu32): u8;
buf[3] = (in & 0xffu32): u8;
};
export fn begetu64(buf: []u8) u64 = {
let b0: u64 = buf[0]: u64;
let b1: u64 = buf[1]: u64;
let b2: u64 = buf[2]: u64;
let b3: u64 = buf[3]: u64;
let b4: u64 = buf[4]: u64;
let b5: u64 = buf[5]: u64;
let b6: u64 = buf[6]: u64;
let b7: u64 = buf[7]: u64;
return (b0 << 56u64) | (b1 << 48u64) | (b2 << 40u64) | (b3 << 32u64)
| (b4 << 24u64) | (b5 << 16u64) | (b6 << 8u64) | b7;
};
export fn beputu64(buf: []u8, in: u64) void = {
buf[0] = ((in >> 56u64) & 0xffu64): u8;
buf[1] = ((in >> 48u64) & 0xffu64): u8;
buf[2] = ((in >> 40u64) & 0xffu64): u8;
buf[3] = ((in >> 32u64) & 0xffu64): u8;
buf[4] = ((in >> 24u64) & 0xffu64): u8;
buf[5] = ((in >> 16u64) & 0xffu64): u8;
buf[6] = ((in >> 8u64) & 0xffu64): u8;
buf[7] = (in & 0xffu64): u8;
};
// ---- little-endian byte get/put on a slice ---------------------------
export fn legetu16(buf: []u8) u16 = {
let b0: u16 = buf[0]: u16;
let b1: u16 = buf[1]: u16;
return (b1 << 8u16) | b0;
};
export fn leputu16(buf: []u8, in: u16) void = {
buf[0] = (in & 0xffu16): u8;
buf[1] = ((in >> 8u16) & 0xffu16): u8;
};
export fn legetu32(buf: []u8) u32 = {
let b0: u32 = buf[0]: u32;
let b1: u32 = buf[1]: u32;
let b2: u32 = buf[2]: u32;
let b3: u32 = buf[3]: u32;
return (b3 << 24u32) | (b2 << 16u32) | (b1 << 8u32) | b0;
};
export fn leputu32(buf: []u8, in: u32) void = {
buf[0] = (in & 0xffu32): u8;
buf[1] = ((in >> 8u32) & 0xffu32): u8;
buf[2] = ((in >> 16u32) & 0xffu32): u8;
buf[3] = ((in >> 24u32) & 0xffu32): u8;
};
export fn legetu64(buf: []u8) u64 = {
let b0: u64 = buf[0]: u64;
let b1: u64 = buf[1]: u64;
let b2: u64 = buf[2]: u64;
let b3: u64 = buf[3]: u64;
let b4: u64 = buf[4]: u64;
let b5: u64 = buf[5]: u64;
let b6: u64 = buf[6]: u64;
let b7: u64 = buf[7]: u64;
return (b7 << 56u64) | (b6 << 48u64) | (b5 << 40u64) | (b4 << 32u64)
| (b3 << 24u64) | (b2 << 16u64) | (b1 << 8u64) | b0;
};
export fn leputu64(buf: []u8, in: u64) void = {
buf[0] = (in & 0xffu64): u8;
buf[1] = ((in >> 8u64) & 0xffu64): u8;
buf[2] = ((in >> 16u64) & 0xffu64): u8;
buf[3] = ((in >> 24u64) & 0xffu64): u8;
buf[4] = ((in >> 32u64) & 0xffu64): u8;
buf[5] = ((in >> 40u64) & 0xffu64): u8;
buf[6] = ((in >> 48u64) & 0xffu64): u8;
buf[7] = ((in >> 56u64) & 0xffu64): u8;
};

51
lib/endian/little.ww Normal file
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@@ -0,0 +1,51 @@
package endian;
export fn legetu16(buf: []u8) u16 = {
let b0: u16 = buf[0]: u16;
let b1: u16 = buf[1]: u16;
return (b1 << 8u16) | b0;
};
export fn leputu16(buf: []u8, in: u16) void = {
buf[0] = (in & 0xffu16): u8;
buf[1] = ((in >> 8u16) & 0xffu16): u8;
};
export fn legetu32(buf: []u8) u32 = {
let b0: u32 = buf[0]: u32;
let b1: u32 = buf[1]: u32;
let b2: u32 = buf[2]: u32;
let b3: u32 = buf[3]: u32;
return (b3 << 24u32) | (b2 << 16u32) | (b1 << 8u32) | b0;
};
export fn leputu32(buf: []u8, in: u32) void = {
buf[0] = (in & 0xffu32): u8;
buf[1] = ((in >> 8u32) & 0xffu32): u8;
buf[2] = ((in >> 16u32) & 0xffu32): u8;
buf[3] = ((in >> 24u32) & 0xffu32): u8;
};
export fn legetu64(buf: []u8) u64 = {
let b0: u64 = buf[0]: u64;
let b1: u64 = buf[1]: u64;
let b2: u64 = buf[2]: u64;
let b3: u64 = buf[3]: u64;
let b4: u64 = buf[4]: u64;
let b5: u64 = buf[5]: u64;
let b6: u64 = buf[6]: u64;
let b7: u64 = buf[7]: u64;
return (b7 << 56u64) | (b6 << 48u64) | (b5 << 40u64) | (b4 << 32u64)
| (b3 << 24u64) | (b2 << 16u64) | (b1 << 8u64) | b0;
};
export fn leputu64(buf: []u8, in: u64) void = {
buf[0] = (in & 0xffu64): u8;
buf[1] = ((in >> 8u64) & 0xffu64): u8;
buf[2] = ((in >> 16u64) & 0xffu64): u8;
buf[3] = ((in >> 24u64) & 0xffu64): u8;
buf[4] = ((in >> 32u64) & 0xffu64): u8;
buf[5] = ((in >> 40u64) & 0xffu64): u8;
buf[6] = ((in >> 48u64) & 0xffu64): u8;
buf[7] = ((in >> 56u64) & 0xffu64): u8;
};

34
lib/endian/network.ww Normal file
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@@ -0,0 +1,34 @@
// endian — byte-order conversions. Mirrors Hare's endian:: surface:
// big-endian (be*), little-endian (le*), and network-order (hton/ntoh)
// helpers. Host order on amd64 is little-endian, so hton/ntoh are
// byte swaps and the le* family is identity.
package endian;
export fn htonu16(in: u16) u16 = {
return ((in << 8u16) | (in >> 8u16)) & 0xffffu16;
};
export fn ntohu16(in: u16) u16 = { return htonu16(in); };
export fn htonu32(in: u32) u32 = {
let b0: u32 = (in >> 24u32) & 0xffu32;
let b1: u32 = (in >> 16u32) & 0xffu32;
let b2: u32 = (in >> 8u32) & 0xffu32;
let b3: u32 = in & 0xffu32;
return (b3 << 24u32) | (b2 << 16u32) | (b1 << 8u32) | b0;
};
export fn ntohu32(in: u32) u32 = { return htonu32(in); };
export fn htonu64(in: u64) u64 = {
let b0: u64 = (in >> 56u64) & 0xffu64;
let b1: u64 = (in >> 48u64) & 0xffu64;
let b2: u64 = (in >> 40u64) & 0xffu64;
let b3: u64 = (in >> 32u64) & 0xffu64;
let b4: u64 = (in >> 24u64) & 0xffu64;
let b5: u64 = (in >> 16u64) & 0xffu64;
let b6: u64 = (in >> 8u64) & 0xffu64;
let b7: u64 = in & 0xffu64;
return (b7 << 56u64) | (b6 << 48u64) | (b5 << 40u64) | (b4 << 32u64)
| (b3 << 24u64) | (b2 << 16u64) | (b1 << 8u64) | b0;
};
export fn ntohu64(in: u64) u64 = { return htonu64(in); };