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