other-licenses/nsis/Contrib/ExDLL/nsis.pas

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 {
michael@0 2 Original Code from
michael@0 3 (C) 2001 - Peter Windridge
michael@0 4
michael@0 5 Code in seperate unit and some changes
michael@0 6 2003 by Bernhard Mayer
michael@0 7
michael@0 8 Fixed and formatted by Brett Dever
michael@0 9 http://editor.nfscheats.com/
michael@0 10
michael@0 11 simply include this unit in your plugin project and export
michael@0 12 functions as needed
michael@0 13 }
michael@0 14
michael@0 15
michael@0 16 unit nsis;
michael@0 17
michael@0 18 interface
michael@0 19
michael@0 20 uses
michael@0 21 windows;
michael@0 22
michael@0 23 type
michael@0 24 VarConstants = (
michael@0 25 INST_0, // $0
michael@0 26 INST_1, // $1
michael@0 27 INST_2, // $2
michael@0 28 INST_3, // $3
michael@0 29 INST_4, // $4
michael@0 30 INST_5, // $5
michael@0 31 INST_6, // $6
michael@0 32 INST_7, // $7
michael@0 33 INST_8, // $8
michael@0 34 INST_9, // $9
michael@0 35 INST_R0, // $R0
michael@0 36 INST_R1, // $R1
michael@0 37 INST_R2, // $R2
michael@0 38 INST_R3, // $R3
michael@0 39 INST_R4, // $R4
michael@0 40 INST_R5, // $R5
michael@0 41 INST_R6, // $R6
michael@0 42 INST_R7, // $R7
michael@0 43 INST_R8, // $R8
michael@0 44 INST_R9, // $R9
michael@0 45 INST_CMDLINE, // $CMDLINE
michael@0 46 INST_INSTDIR, // $INSTDIR
michael@0 47 INST_OUTDIR, // $OUTDIR
michael@0 48 INST_EXEDIR, // $EXEDIR
michael@0 49 INST_LANG, // $LANGUAGE
michael@0 50 __INST_LAST
michael@0 51 );
michael@0 52 TVariableList = INST_0..__INST_LAST;
michael@0 53 pstack_t = ^stack_t;
michael@0 54 stack_t = record
michael@0 55 next: pstack_t;
michael@0 56 text: PChar;
michael@0 57 end;
michael@0 58
michael@0 59 var
michael@0 60 g_stringsize: integer;
michael@0 61 g_stacktop: ^pstack_t;
michael@0 62 g_variables: PChar;
michael@0 63 g_hwndParent: HWND;
michael@0 64
michael@0 65 procedure Init(const hwndParent: HWND; const string_size: integer; const variables: PChar; const stacktop: pointer);
michael@0 66 function PopString(): string;
michael@0 67 procedure PushString(const str: string='');
michael@0 68 function GetUserVariable(const varnum: TVariableList): string;
michael@0 69 procedure SetUserVariable(const varnum: TVariableList; const value: string);
michael@0 70 procedure NSISDialog(const text, caption: string; const buttons: integer);
michael@0 71
michael@0 72 implementation
michael@0 73
michael@0 74 procedure Init(const hwndParent: HWND; const string_size: integer; const variables: PChar; const stacktop: pointer);
michael@0 75 begin
michael@0 76 g_stringsize := string_size;
michael@0 77 g_hwndParent := hwndParent;
michael@0 78 g_stacktop := stacktop;
michael@0 79 g_variables := variables;
michael@0 80 end;
michael@0 81
michael@0 82 function PopString(): string;
michael@0 83 var
michael@0 84 th: pstack_t;
michael@0 85 begin
michael@0 86 if integer(g_stacktop^) <> 0 then begin
michael@0 87 th := g_stacktop^;
michael@0 88 Result := PChar(@th.text);
michael@0 89 g_stacktop^ := th.next;
michael@0 90 GlobalFree(HGLOBAL(th));
michael@0 91 end;
michael@0 92 end;
michael@0 93
michael@0 94 procedure PushString(const str: string='');
michael@0 95 var
michael@0 96 th: pstack_t;
michael@0 97 begin
michael@0 98 if integer(g_stacktop) <> 0 then begin
michael@0 99 th := pstack_t(GlobalAlloc(GPTR, SizeOf(stack_t) + g_stringsize));
michael@0 100 lstrcpyn(@th.text, PChar(str), g_stringsize);
michael@0 101 th.next := g_stacktop^;
michael@0 102 g_stacktop^ := th;
michael@0 103 end;
michael@0 104 end;
michael@0 105
michael@0 106 function GetUserVariable(const varnum: TVariableList): string;
michael@0 107 begin
michael@0 108 if (integer(varnum) >= 0) and (integer(varnum) < integer(__INST_LAST)) then
michael@0 109 Result := g_variables + integer(varnum) * g_stringsize
michael@0 110 else
michael@0 111 Result := '';
michael@0 112 end;
michael@0 113
michael@0 114 procedure SetUserVariable(const varnum: TVariableList; const value: string);
michael@0 115 begin
michael@0 116 if (value <> '') and (integer(varnum) >= 0) and (integer(varnum) < integer(__INST_LAST)) then
michael@0 117 lstrcpy(g_variables + integer(varnum) * g_stringsize, PChar(value))
michael@0 118 end;
michael@0 119
michael@0 120 procedure NSISDialog(const text, caption: string; const buttons: integer);
michael@0 121 begin
michael@0 122 MessageBox(g_hwndParent, PChar(text), PChar(caption), buttons);
michael@0 123 end;
michael@0 124
michael@0 125 begin
michael@0 126 end.

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