close streams after copying

f793a67a · Him188 · 4e57eea7 · f793a67a
Commit f793a67a authored Feb 04, 2020 by Him188
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Showing with 5 additions and 3 deletions

mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformUtilsJvm.kt .../jvmMain/kotlin/net/mamoe/mirai/utils/PlatformUtilsJvm.kt +5 -3

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--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformUtilsJvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformUtilsJvm.kt
@@ -24,12 +24,14 @@ actual fun md5(byteArray: ByteArray): ByteArray = MessageDigest.getInstance("MD5
 fun InputStream.md5(): ByteArray = this.use {
    val digest = MessageDigest.getInstance("md5")
    digest.reset()
-    this.use {
+    this.use { input ->
-        it.copyTo(object : OutputStream() {
+        object : OutputStream() {
            override fun write(b: Int) {
                digest.update(b.toByte())
            }
-        })
+        }.use { output ->
+            input.copyTo(output)
+        }
    }
    return digest.digest()
 }