Get last installed service pack version: Difference between revisions

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|<small>Author: [[{{ns:2}}:alessiog|alessiog]] ([[{{ns:3}}:alessiog|talk]], [[{{ns:-1}}:Contributions/alessiog|contrib]])</small>
 
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== Description ==
== Description ==
Here is a simple routine to detect last Service Pack installed on PC.
Here is a simple routine to detect last Service Pack installed on PC.
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[[{{ns:14}}:Other Products Version Detection Functions]]
[[Category:Other Products Version Detection Functions]]

Revision as of 12:23, 24 June 2005

Author: alessiog (talk, contrib)


Description

Here is a simple routine to detect last Service Pack installed on PC.

The Function

;-------------------------------------------------------------------------------
; GetServicePack
; Author: Alessio Garbi (e-Project srl) <agarbi@e-project.it> 
;
; input:
;			none
; output:
;    	top of stack: last service pack major version
;    	top of stack-1: last service pack minor version
; note:
;			If no service pack installed returns major ver "0" and minor ver "0"
;			Function tested with Win 95, 98SE, NT4, 2000, XP, 2003 (lang ITA and ENG)
;			$R0, $R1 are NOT saved in stack so you have to preserve them outside this function!
 
Function GetServicePack
 
	ReadRegStr $R0 HKLM "System\CurrentControlSet\Control\Windows" "CSDVersion"
	IntOp $R1 $R0 % 256			;get minor version
	Push $R1
	IntOp $R0 $R0 / 256			;get major version
	Push $R0
 
FunctionEnd
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