/admin/win/nsi/nsis_processes/src/exdll.h

  1#ifndef _EXDLL_H_
  2#define _EXDLL_H_
  3
  4
  5
  6
  7
  8//
  9// only include this file from one place in your DLL.
 10// (it is all static, if you use it in two places it will fail)
 11//
 12#define EXDLL_INIT()           {  \
 13        g_stringsize	= string_size; \
 14        g_stacktop		= stacktop;      \
 15        g_variables		= variables; }
 16
 17
 18
 19
 20//
 21// For page showing plug-ins
 22//
 23#define WM_NOTIFY_OUTER_NEXT (WM_USER+0x8)
 24#define WM_NOTIFY_CUSTOM_READY (WM_USER+0xd)
 25#define NOTIFY_BYE_BYE 'x'
 26
 27typedef struct _stack_t 
 28{
 29  struct _stack_t	*next;
 30  char				text[1]; // this should be the length of string_size
 31} stack_t;
 32
 33
 34static unsigned int		g_stringsize;
 35static stack_t			**g_stacktop;
 36static char				*g_variables;
 37
 38enum
 39{
 40INST_0,         // $0
 41INST_1,         // $1
 42INST_2,         // $2
 43INST_3,         // $3
 44INST_4,         // $4
 45INST_5,         // $5
 46INST_6,         // $6
 47INST_7,         // $7
 48INST_8,         // $8
 49INST_9,         // $9
 50INST_R0,        // $R0
 51INST_R1,        // $R1
 52INST_R2,        // $R2
 53INST_R3,        // $R3
 54INST_R4,        // $R4
 55INST_R5,        // $R5
 56INST_R6,        // $R6
 57INST_R7,        // $R7
 58INST_R8,        // $R8
 59INST_R9,        // $R9
 60INST_CMDLINE,   // $CMDLINE
 61INST_INSTDIR,   // $INSTDIR
 62INST_OUTDIR,    // $OUTDIR
 63INST_EXEDIR,    // $EXEDIR
 64INST_LANG,      // $LANGUAGE
 65__INST_LAST
 66};
 67
 68
 69
 70
 71
 72//
 73// utility functions (not required but often useful)
 74//
 75static int popstring( char *str )
 76{
 77  stack_t	*th;
 78
 79
 80  if( !g_stacktop || 
 81	  !*g_stacktop )
 82	  return 1;
 83
 84  th			= (*g_stacktop);
 85  lstrcpy( str, th->text );
 86  *g_stacktop	= th->next;
 87  GlobalFree( (HGLOBAL)th );
 88
 89  return 0;
 90}
 91
 92
 93
 94
 95static void pushstring( char *str )
 96{
 97  stack_t	*th;
 98
 99
100  if( !g_stacktop )
101	  return;
102
103  th			= (stack_t*)GlobalAlloc( GPTR, sizeof(stack_t) + g_stringsize );
104  lstrcpyn( th->text, str, g_stringsize );
105  th->next		= *g_stacktop;
106  *g_stacktop	= th;
107}
108
109
110
111
112
113static char *getuservariable( int varnum )
114{
115  if( varnum < 0 || 
116	  varnum >= __INST_LAST )
117	  return NULL;
118
119  return (g_variables + varnum*g_stringsize);
120}
121
122
123
124
125
126static void setuservariable( int varnum, char *var )
127{
128	if( var != NULL && 
129		varnum >= 0 && 
130		varnum < __INST_LAST ) 
131		lstrcpy( g_variables + varnum*g_stringsize, var );
132}
133
134
135
136#endif//_EXDLL_H_