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152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
/* exdll.h for use with gpg4win
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* Copyright (C) 1999-2005 Nullsoft, Inc.
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*
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* This license applies to everything in the NSIS package, except
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* where otherwise noted.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must
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* not claim that you wrote the original software. If you use this
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* software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must
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* not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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************************************************************
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* 2005-11-14 wk Applied license text to original exdll.h file from
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* NSIS 2.0.4 and did some formatting changes.
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*/
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#ifndef _EXDLL_H_
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#define _EXDLL_H_
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/* only include this file from one place in your DLL. (it is all
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static, if you use it in two places it will fail) */
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#define EXDLL_INIT() { \
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g_stringsize=string_size; \
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g_stacktop=stacktop; \
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g_variables=variables; }
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/* For page showing plug-ins */
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#define WM_NOTIFY_OUTER_NEXT (WM_USER+0x8)
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#define WM_NOTIFY_CUSTOM_READY (WM_USER+0xd)
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#define NOTIFY_BYE_BYE 'x'
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typedef struct _stack_t {
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struct _stack_t *next;
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char text[1]; /* This should be the length of string_size. */
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} stack_t;
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static unsigned int g_stringsize;
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static stack_t **g_stacktop;
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static char *g_variables;
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static int __stdcall popstring(char *str, size_t maxlen); /* 0 on success, 1 on empty stack */
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static void __stdcall pushstring(const char *str);
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enum
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{
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INST_0, // $0
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INST_1, // $1
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INST_2, // $2
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INST_3, // $3
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INST_4, // $4
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INST_5, // $5
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INST_6, // $6
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INST_7, // $7
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INST_8, // $8
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INST_9, // $9
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INST_R0, // $R0
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INST_R1, // $R1
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INST_R2, // $R2
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INST_R3, // $R3
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INST_R4, // $R4
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INST_R5, // $R5
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INST_R6, // $R6
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INST_R7, // $R7
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INST_R8, // $R8
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INST_R9, // $R9
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INST_CMDLINE, // $CMDLINE
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INST_INSTDIR, // $INSTDIR
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INST_OUTDIR, // $OUTDIR
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INST_EXEDIR, // $EXEDIR
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INST_LANG, // $LANGUAGE
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__INST_LAST
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};
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typedef struct {
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int autoclose;
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int all_user_var;
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int exec_error;
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int abort;
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int exec_reboot;
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int reboot_called;
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int XXX_cur_insttype; /* deprecated */
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int XXX_insttype_changed; /* deprecated */
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int silent;
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int instdir_error;
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int rtl;
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int errlvl;
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} exec_flags_t;
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typedef struct {
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exec_flags_t *exec_flags;
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int (__stdcall *ExecuteCodeSegment)(int, HWND);
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} extra_parameters_t;
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/* Utility functions (not required but often useful). */
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static int __stdcall
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popstring(char *str, size_t maxlen)
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{
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stack_t *th;
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if (!g_stacktop || !*g_stacktop)
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return 1;
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th=(*g_stacktop);
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lstrcpyn (str, th->text, maxlen);
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*g_stacktop = th->next;
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GlobalFree((HGLOBAL)th);
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return 0;
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}
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static void __stdcall
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pushstring(const char *str)
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{
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stack_t *th;
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if (!g_stacktop) return;
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th=(stack_t*)GlobalAlloc(GPTR,sizeof(stack_t)+g_stringsize);
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lstrcpyn(th->text,str,g_stringsize);
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th->next=*g_stacktop;
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*g_stacktop=th;
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}
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static char * __stdcall
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getuservariable(const int varnum)
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{
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if (varnum < 0 || varnum >= __INST_LAST) return NULL;
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return g_variables+varnum*g_stringsize;
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}
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static void __stdcall
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setuservariable(const int varnum, const char *var)
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{
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if (var != NULL && varnum >= 0 && varnum < __INST_LAST)
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lstrcpy(g_variables + varnum*g_stringsize, var);
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}
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#endif/*_EXDLL_H_*/
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