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| 1 | +!ifndef _WriteEnvStr_nsh |
| 2 | +!define _WriteEnvStr_nsh |
| 3 | + |
| 4 | +!include WinMessages.nsh |
| 5 | + |
| 6 | +!ifndef WriteEnvStr_RegKey |
| 7 | + !ifdef ALL_USERS |
| 8 | + !define WriteEnvStr_RegKey \ |
| 9 | + 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"' |
| 10 | + !else |
| 11 | + !define WriteEnvStr_RegKey 'HKCU "Environment"' |
| 12 | + !endif |
| 13 | +!endif |
| 14 | + |
| 15 | +# |
| 16 | +# WriteEnvStr - Writes an environment variable |
| 17 | +# Note: Win9x systems requires reboot |
| 18 | +# |
| 19 | +# Example: |
| 20 | +# Push "HOMEDIR" # name |
| 21 | +# Push "C:\New Home Dir\" # value |
| 22 | +# Call WriteEnvStr |
| 23 | +# |
| 24 | +Function WriteEnvStr |
| 25 | + Exch $1 ; $1 has environment variable value |
| 26 | + Exch |
| 27 | + Exch $0 ; $0 has environment variable name |
| 28 | + Push $2 |
| 29 | + |
| 30 | + Call IsNT |
| 31 | + Pop $2 |
| 32 | + StrCmp $2 1 WriteEnvStr_NT |
| 33 | + ; Not on NT |
| 34 | + StrCpy $2 $WINDIR 2 ; Copy drive of windows (c:) |
| 35 | + FileOpen $2 "$2\autoexec.bat" a |
| 36 | + FileSeek $2 0 END |
| 37 | + FileWrite $2 "$\r$\nSET $0=$1$\r$\n" |
| 38 | + FileClose $2 |
| 39 | + SetRebootFlag true |
| 40 | + Goto WriteEnvStr_done |
| 41 | + |
| 42 | + WriteEnvStr_NT: |
| 43 | + WriteRegExpandStr ${WriteEnvStr_RegKey} $0 $1 |
| 44 | + SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} \ |
| 45 | + 0 "STR:Environment" /TIMEOUT=5000 |
| 46 | + |
| 47 | + WriteEnvStr_done: |
| 48 | + Pop $2 |
| 49 | + Pop $0 |
| 50 | + Pop $1 |
| 51 | +FunctionEnd |
| 52 | + |
| 53 | +# |
| 54 | +# un.DeleteEnvStr - Removes an environment variable |
| 55 | +# Note: Win9x systems requires reboot |
| 56 | +# |
| 57 | +# Example: |
| 58 | +# Push "HOMEDIR" # name |
| 59 | +# Call un.DeleteEnvStr |
| 60 | +# |
| 61 | +Function un.DeleteEnvStr |
| 62 | + Exch $0 ; $0 now has the name of the variable |
| 63 | + Push $1 |
| 64 | + Push $2 |
| 65 | + Push $3 |
| 66 | + Push $4 |
| 67 | + Push $5 |
| 68 | + |
| 69 | + Call un.IsNT |
| 70 | + Pop $1 |
| 71 | + StrCmp $1 1 DeleteEnvStr_NT |
| 72 | + ; Not on NT |
| 73 | + StrCpy $1 $WINDIR 2 |
| 74 | + FileOpen $1 "$1\autoexec.bat" r |
| 75 | + GetTempFileName $4 |
| 76 | + FileOpen $2 $4 w |
| 77 | + StrCpy $0 "SET $0=" |
| 78 | + SetRebootFlag true |
| 79 | + |
| 80 | + DeleteEnvStr_dosLoop: |
| 81 | + FileRead $1 $3 |
| 82 | + StrLen $5 $0 |
| 83 | + StrCpy $5 $3 $5 |
| 84 | + StrCmp $5 $0 DeleteEnvStr_dosLoop |
| 85 | + StrCmp $5 "" DeleteEnvStr_dosLoopEnd |
| 86 | + FileWrite $2 $3 |
| 87 | + Goto DeleteEnvStr_dosLoop |
| 88 | + |
| 89 | + DeleteEnvStr_dosLoopEnd: |
| 90 | + FileClose $2 |
| 91 | + FileClose $1 |
| 92 | + StrCpy $1 $WINDIR 2 |
| 93 | + Delete "$1\autoexec.bat" |
| 94 | + CopyFiles /SILENT $4 "$1\autoexec.bat" |
| 95 | + Delete $4 |
| 96 | + Goto DeleteEnvStr_done |
| 97 | + |
| 98 | + DeleteEnvStr_NT: |
| 99 | + DeleteRegValue ${WriteEnvStr_RegKey} $0 |
| 100 | + SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} \ |
| 101 | + 0 "STR:Environment" /TIMEOUT=5000 |
| 102 | + |
| 103 | + DeleteEnvStr_done: |
| 104 | + Pop $5 |
| 105 | + Pop $4 |
| 106 | + Pop $3 |
| 107 | + Pop $2 |
| 108 | + Pop $1 |
| 109 | + Pop $0 |
| 110 | +FunctionEnd |
| 111 | + |
| 112 | +!ifndef IsNT_KiCHiK |
| 113 | +!define IsNT_KiCHiK |
| 114 | + |
| 115 | +# |
| 116 | +# [un.]IsNT - Pushes 1 if running on NT, 0 if not |
| 117 | +# |
| 118 | +# Example: |
| 119 | +# Call IsNT |
| 120 | +# Pop $0 |
| 121 | +# StrCmp $0 1 +3 |
| 122 | +# MessageBox MB_OK "Not running on NT!" |
| 123 | +# Goto +2 |
| 124 | +# MessageBox MB_OK "Running on NT!" |
| 125 | +# |
| 126 | +!macro IsNT UN |
| 127 | +Function ${UN}IsNT |
| 128 | + Push $0 |
| 129 | + ReadRegStr $0 HKLM \ |
| 130 | + "SOFTWARE\Microsoft\Windows NT\CurrentVersion" CurrentVersion |
| 131 | + StrCmp $0 "" 0 IsNT_yes |
| 132 | + ; we are not NT. |
| 133 | + Pop $0 |
| 134 | + Push 0 |
| 135 | + Return |
| 136 | + |
| 137 | + IsNT_yes: |
| 138 | + ; NT!!! |
| 139 | + Pop $0 |
| 140 | + Push 1 |
| 141 | +FunctionEnd |
| 142 | +!macroend |
| 143 | +!insertmacro IsNT "" |
| 144 | +!insertmacro IsNT "un." |
| 145 | + |
| 146 | +!endif ; IsNT_KiCHiK |
| 147 | + |
| 148 | +!endif ; _WriteEnvStr_nsh |
| 149 | + |
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