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Added check for file size in FileBinary

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This commit is contained in:
Alexander Nozik 2019-10-30 19:57:03 +03:00
parent 33c8e7088e
commit 0ef0a43077
1 changed files with 6 additions and 0 deletions
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6
dataforge-io/src/jvmMain/kotlin/hep/dataforge/io/FileBinary.kt
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@ -13,6 +13,12 @@ class FileBinary(val path: Path, private val offset: UInt = 0u, size: ULong? = n
override val size: ULong = size ?: (Files.size(path).toULong() - offset).toULong()
init {
if( size != null && Files.size(path) < offset.toLong() + size.toLong()){
error("Can't read binary from file. File is to short.")
}
}
override fun <R> read(from: UInt, size: UInt, block: Input.() -> R): R {
FileChannel.open(path, StandardOpenOption.READ).use {
val theSize: UInt = min(size, Files.size(path).toUInt() - offset)