1 files changed, 109 insertions, 0 deletions
diff --git a/install-win32/GetWindowsVersion.nsi b/install-win32/GetWindowsVersion.nsi
new file mode 100644
index 0000000..103caff
--- /dev/null
+++ b/install-win32/GetWindowsVersion.nsi
@@ -0,0 +1,109 @@
+; Turn off old selected section
+; GetWindowsVersion
+;
+; Based on Yazno's function
+; Updated by Joost Verburg
+; Updated for Windows 98 SE by Matthew Win Tibbals 5-21-03
+; Updated for Vista by Joe Cincotta 12-2-07
+;
+; Returns on top of stack
+;
+; Windows Version (95, 98, ME, NT x.x, 2000, XP, 2003, VISTA)
+; or
+; '' (Unknown Windows Version)
+;
+; Usage:
+;   Call GetWindowsVersion
+;   Pop $R0
+;   ; at this point $R0 is "NT 4.0" or whatnot
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+Function GetWindowsVersion
+ 
+  Push $R0
+  Push $R1
+ 
+  ClearErrors
+ 
+  ReadRegStr $R0 HKLM \
+  "SOFTWARE\Microsoft\Windows NT\CurrentVersion" CurrentVersion
+ 
+  IfErrors 0 lbl_winnt
+ 
+  ; we are not NT
+  ReadRegStr $R0 HKLM \
+  "SOFTWARE\Microsoft\Windows\CurrentVersion" VersionNumber
+ 
+  StrCpy $R1 $R0 1
+  StrCmp $R1 '4' 0 lbl_error
+ 
+  StrCpy $R1 $R0 3
+ 
+  StrCmp $R1 '4.0' lbl_win32_95
+  StrCmp $R1 '4.9' lbl_win32_ME lbl_win32_98
+ 
+  lbl_win32_95:
+    StrCpy $R0 '95'
+  Goto lbl_done
+ 
+  lbl_win32_98:
+;;beginning of additions to support win 98 SE
+    push $R0
+    push "."
+    call strstr
+    pop $R0
+    StrCpy $R0 $R0 "" 1
+    StrCmp $R0 "10.2222" lbl_win32_98SE
+    StrCpy $R0 '98'  ;;this line was not added
+  Goto lbl_done      ;;this line was not added either
+ 
+  lbl_win32_98SE:
+    StrCpy $R0 '98 SE'
+  Goto lbl_done
+;;end of additions to support win 98 SE
+  lbl_win32_ME:
+    StrCpy $R0 'ME'
+  Goto lbl_done
+ 
+  lbl_winnt:
+ 
+  StrCpy $R1 $R0 1
+ 
+  StrCmp $R1 '3' lbl_winnt_x
+  StrCmp $R1 '4' lbl_winnt_x
+ 
+  StrCpy $R1 $R0 3
+ 
+  StrCmp $R1 '5.0' lbl_winnt_2000
+  StrCmp $R1 '5.1' lbl_winnt_XP
+  StrCmp $R1 '5.2' lbl_winnt_2003
+  StrCmp $R1 '6.0' lbl_winnt_VISTA lbl_error
+ 
+  lbl_winnt_x:
+    StrCpy $R0 "NT $R0" 6
+  Goto lbl_done
+ 
+  lbl_winnt_2000:
+    Strcpy $R0 '2000'
+  Goto lbl_done
+ 
+  lbl_winnt_XP:
+    Strcpy $R0 'XP'
+  Goto lbl_done
+ 
+  lbl_winnt_2003:
+    Strcpy $R0 '2003'
+  Goto lbl_done
+ 
+  lbl_winnt_VISTA:
+    Strcpy $R0 'VISTA'
+  Goto lbl_done
+ 
+  lbl_error:
+    Strcpy $R0 ''
+  lbl_done:
+ 
+  Pop $R1
+  Exch $R0
+ 
+FunctionEnd
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;