fix: Fix FileStream initializer that causes out of memory exception (#905)

sichanyoo · Sichan Yoo · web-flow · commit 969d6e870b40 · 2025-02-11T14:25:18.000-08:00
Co-authored-by: Sichan Yoo &lt;chanyoo@amazon.com&gt;
diff --git a/Sources/SmithyStreams/FileStream.swift b/Sources/SmithyStreams/FileStream.swift
@@ -41,7 +41,7 @@ public final class FileStream: Stream, @unchecked Sendable {
     /// Initializes a new `FileStream` instance.
     public init(fileHandle: FileHandle) {
         self.fileHandle = fileHandle
-        self.position = fileHandle.availableData.startIndex
+        self.position = Int(fileHandle.offsetInFile)
     }
 
     /// Reads up to `count` bytes from the stream.

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ public final class FileStream: Stream, @unchecked Sendable {`
`41`	`41`	/// Initializes a new `FileStream` instance.
`42`	`42`	`public init(fileHandle: FileHandle) {`
`43`	`43`	`self.fileHandle = fileHandle`
`44`		`- self.position = fileHandle.availableData.startIndex`
	`44`	`+ self.position = Int(fileHandle.offsetInFile)`
`45`	`45`	`}`
`46`	`46`
`47`	`47`	/// Reads up to `count` bytes from the stream.