Files
clawdbot/apps/macos/Sources/Clawdbot/FileHandle+SafeRead.swift
2026-01-04 14:38:51 +00:00

29 lines
1008 B
Swift

import Foundation
extension FileHandle {
/// Reads until EOF using the throwing FileHandle API and returns empty `Data` on failure.
///
/// Important: Avoid legacy, non-throwing FileHandle read APIs (e.g. `readDataToEndOfFile()` and
/// `availableData`). They can raise Objective-C exceptions when the handle is closed/invalid, which
/// will abort the process.
func readToEndSafely() -> Data {
do {
return try self.readToEnd() ?? Data()
} catch {
return Data()
}
}
/// Reads up to `count` bytes using the throwing FileHandle API and returns empty `Data` on failure/EOF.
///
/// Important: Use this instead of `availableData` in callbacks like `readabilityHandler` to avoid
/// Objective-C exceptions terminating the process.
func readSafely(upToCount count: Int) -> Data {
do {
return try self.read(upToCount: count) ?? Data()
} catch {
return Data()
}
}
}