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Fix crash for negative uvcUnit integers (Issue #42) #57

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merged 1 commit into from
Apr 29, 2022
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Fix crash for negative uvcUnit integers (Issue #42) #57

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6 changes: 6 additions & 0 deletions CameraController/UVC/Models/Controls/UVCControl.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,9 @@ class UVCControl {
}

func getDataFor(type: UVCRequestCodes, length: Int) -> Int {

guard uvcUnit >= 0 else { return 0 }

var value: Int = 0

let requestType = USBmakebmRequestType(direction: kUSBIn, type: kUSBClass, recipient: kUSBInterface)
Expand Down Expand Up @@ -60,6 +63,9 @@ class UVCControl {
}

func setData(value: Int, length: Int) -> Bool {

guard uvcUnit >= 0 else { return false }

var ref = value

let requestType = USBmakebmRequestType(direction: kUSBOut, type: kUSBClass, recipient: kUSBInterface)
Expand Down