On Sep 20, 2006, at 11:12 AM, Phil M wrote:
You only need to run this test once per application run, so for an
optimization technique I would write the above code like this:
Function PlatformType() As String
Static myPlatform As String
Dim shUname As Shell
If (myPlatform.Len = 0) Then // not initialized
shUname = New Shell
shUname.Execute "uname -p"
If (shUname.ErrorCode <> 0) Then
// handle error - is uname corrupt???
Else
myPlatform = shUname.Result
End If
End If
Return myPlatform
End Function
This way you only create the Shell once per application launch...
after all the platform is not going to dynamically change. =)
unless of course uname fails and you never set myPlatform
Function PlatformType() As String
const kUnknownPlatform = "unknown"
Static myPlatform As String
Dim shUname As Shell
If myPlatform = "" Then // not initialized
shUname = New Shell
shUname.Execute "uname -p"
If (shUname.ErrorCode <> 0) Then
myplatform = kUnknownPlatform
// handle error - is uname corrupt???
Else
myPlatform = shUname.Result
End If
End If
Return myPlatform
End Function
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