Get last installed service pack version: Difference between revisions
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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. | ||
(modification --[[User:Charlesb|Charlesb]] 09:42, 23 February 2006 (PST): ReadRegStr replaced by ReadRegDWORD; Save $R0 and $R1 | |||
== The Function == | == The Function == | ||
<highlight-nsis> | <highlight-nsis> | ||
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; If no service pack installed returns major ver "0" and minor ver "0" | ; 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 tested with Win 95, 98SE, NT4, 2000, XP, 2003 (lang ITA and ENG) | ||
Function GetServicePack | Function GetServicePack | ||
Push $R0 | |||
Push $R1 | |||
ReadRegDWORD $R0 HKLM "System\CurrentControlSet\Control\Windows" "CSDVersion" | |||
IntOp $R1 $R0 % 256 ;get minor version | IntOp $R1 $R0 % 256 ;get minor version | ||
IntOp $R0 $R0 / 256 ;get major version | IntOp $R0 $R0 / 256 ;get major version | ||
Exch $R1 | |||
Exch | |||
Exch $R0 | |||
FunctionEnd | FunctionEnd | ||
Revision as of 17:42, 23 February 2006
| Author: alessiog (talk, contrib) |
Description
Here is a simple routine to detect last Service Pack installed on PC.
(modification --Charlesb 09:42, 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
