Page for NSIS 2.07 and below users You can use the latest version of headers (recommended) or the following function code (put the function code in your script before calling it)
Function Description
Thanks Afrow UK (Based on his Function “VersionCheckNew2”)
Compare version numbers.
Syntax: ${VersionCompare} “[Version1]” “[Version2]” $var
“[Version1]” ; First version “[Version2]” ; Second version $var ; Result: ; $var=0 Versions are equal ; $var=1 Version1 is newer ; $var=2 Version2 is newer
Example:
Section ${VersionCompare} “1.1.1.9” “1.1.1.01” $R0 ; $R0=“1” SectionEnd Function Code Function VersionCompare !define VersionCompare !insertmacro VersionCompareCall
!macro VersionCompareCall _VER1 _VER2 _RESULT Push `${_VER1}` Push `${_VER2}` Call VersionCompare Pop ${_RESULT} !macroend Exch $1 Exch Exch $0 Exch Push $2 Push $3 Push $4 Push $5 Push $6 Push $7 begin: StrCpy $2 -1 IntOp $2 $2 + 1 StrCpy $3 $0 1 $2 StrCmp $3 '' +2 StrCmp $3 '.' 0 -3 StrCpy $4 $0 $2 IntOp $2 $2 + 1 StrCpy $0 $0 '' $2 StrCpy $2 -1 IntOp $2 $2 + 1 StrCpy $3 $1 1 $2 StrCmp $3 '' +2 StrCmp $3 '.' 0 -3 StrCpy $5 $1 $2 IntOp $2 $2 + 1 StrCpy $1 $1 '' $2 StrCmp $4$5 '' equal StrCpy $6 -1 IntOp $6 $6 + 1 StrCpy $3 $4 1 $6 StrCmp $3 '0' -2 StrCmp $3 '' 0 +2 StrCpy $4 0 StrCpy $7 -1 IntOp $7 $7 + 1 StrCpy $3 $5 1 $7 StrCmp $3 '0' -2 StrCmp $3 '' 0 +2 StrCpy $5 0 StrCmp $4 0 0 +2 StrCmp $5 0 begin newer2 StrCmp $5 0 newer1 IntCmp $6 $7 0 newer1 newer2 StrCpy $4 '1$4' StrCpy $5 '1$5' IntCmp $4 $5 begin newer2 newer1 equal: StrCpy $0 0 goto end newer1: StrCpy $0 1 goto end newer2: StrCpy $0 2 end: Pop $7 Pop $6 Pop $5 Pop $4 Pop $3 Pop $2 Pop $1 Exch $0FunctionEnd Category: Version Manipulation Functions
