; ; VersionCompare - Compare Windows version numbers ; ; Copied from http://nsis.sourceforge.net/VersionCompare ; ; By Instructor (http://nsis.sourceforge.net/User:Instructor) 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 $0 FunctionEnd