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Improve getRandomByteArray

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This commit is contained in:
Him188 2019-10-10 12:38:02 +08:00
parent ff6403cd87
commit a9b3ecf5ea
2 changed files with 4 additions and 6 deletions
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2
mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/message/Message.kt
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@ -1,4 +1,4 @@
@file:Suppress("MemberVisibilityCanBePrivate")
@file:Suppress("MemberVisibilityCanBePrivate", "unused")
package net.mamoe.mirai.message

8
mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/Utils.kt
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@ -15,6 +15,8 @@ import java.util.zip.CRC32
import java.util.zip.GZIPInputStream
import java.util.zip.GZIPOutputStream
import javax.imageio.ImageIO
import kotlin.random.Random
import kotlin.random.nextInt
/**
@ -93,11 +95,7 @@ fun DataInputStream.skip(n: Number) {
this.skip(n.toLong())
}
fun getRandomByteArray(length: Int): ByteArray {
val bytes = LinkedList<Byte>()
repeat(length) { bytes.add((Math.random() * 255).toByte()) }
return bytes.toByteArray()
}
fun getRandomByteArray(length: Int): ByteArray = List(length) { Random.Default.nextInt(0..255).toByte() }.toByteArray()
operator fun File.plus(child: String): File = File(this, child)