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- #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); // 0 on success, 1 on empty stack
- static void __stdcall pushstring(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
- };
-
-
- // utility functions (not required but often useful)
- static int __stdcall popstring(char *str)
- {
- stack_t *th;
- if (!g_stacktop || !*g_stacktop) return 1;
- th=(*g_stacktop);
- lstrcpy(str,th->text);
- *g_stacktop = th->next;
- GlobalFree((HGLOBAL)th);
- return 0;
- }
-
- static void __stdcall pushstring(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(int varnum)
- {
- if (varnum < 0 || varnum >= __INST_LAST) return NULL;
- return g_variables+varnum*g_stringsize;
- }
-
- static void __stdcall setuservariable(int varnum, char *var)
- {
- if (var != NULL && varnum >= 0 && varnum < __INST_LAST)
- lstrcpy(g_variables + varnum*g_stringsize, var);
- }
-
-
-
- #endif//_EXDLL_H_