Get last installed service pack version
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| Author: alessiog (talk, contrib) |
Note: This has been superseded by WinVer.nsh, which is included with NSIS 2.21 and greater. WinVer allows for easy detection of the Windows version using LogicLib macros and has automatic future-support so you can always tell if the system at hand, even if undetected, is newer or older than what you need.
Description
Here is a simple routine to detect last Service Pack installed on PC.
(modification --Charlesb 09:43, 23 February 2006 (PST): ReadRegStr replaced by ReadRegDWORD; Save $R0 and $R1
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) Function GetServicePack Push $R0 Push $R1 ReadRegDWORD $R0 HKLM "System\CurrentControlSet\Control\Windows" "CSDVersion" IntOp $R1 $R0 % 256 ;get minor version IntOp $R0 $R0 / 256 ;get major version Exch $R1 Exch Exch $R0 FunctionEnd
