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export toBytesBE, toBytesLE

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jangko 2023-06-21 15:25:29 +07:00
parent 3ef8d0027a
commit 19e0ac6268
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1 changed files with 7 additions and 9 deletions
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stint/io.nim
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@ -370,7 +370,7 @@ func dumpHex*(a: StInt or StUint, order: static[Endianness] = bigEndian): string
# --------------------------------------------------------
{.push raises: [], inline, noinit, gcsafe.}
export fromBytes, toBytes
export fromBytes, toBytes, toBytesLE, toBytesBE
func readUintBE*[bits: static[int]](ba: openArray[byte]): StUint[bits] {.noinit, inline.}=
## Convert a big-endian array of (bits div 8) Bytes to an UInt[bits] (in native host endianness)
@ -426,14 +426,6 @@ func readIntBE*[bits: static[int]](ba: openArray[byte]): StInt[bits] {.noinit, i
## - A signed integer of the same size with `bits` bits
result.impl = (typeof result.impl).fromBytesBE(ba)
func toByteArrayBE*[bits: static[int]](n: StInt[bits]): array[bits div 8, byte] {.noinit, inline.}=
## Convert a Int[bits] to to a big-endian array of bits div 8 bytes
## Input:
## - a signed integer
## Returns:
## - a big-endian array of the same size
result = n.impl.toBytesBE()
func fromBytesBE*(T: type StInt, ba: openArray[byte]): T {.noinit, inline.}=
result = readIntBE[T.bits](ba)
@ -462,4 +454,10 @@ func fromBytesLE*(T: type StInt, ba: openArray[byte]): T {.noinit, inline.}=
template initFromBytesLE*(x: var StInt, ba: openArray[byte]) =
x = fromBytesLE(type x, ba)
template toBytesLE*[bits: static[int]](n: StInt[bits]): array[bits div 8, byte] =
result = n.impl.toBytesLE()
template toBytesBE*[bits: static[int]](n: StInt[bits]): array[bits div 8, byte] =
result = n.impl.toBytesBE()
{.pop.}