initial: nsUnz plugin 1.0.0

2026-04-29 14:06:55 +02:00
commit 93148377fb
88 changed files with 30913 additions and 0 deletions
@@ -0,0 +1,101 @@
+#ifndef _EXDLL_H_
+#define _EXDLL_H_
+
+#include <windows.h>
+#include <tchar.h>
+
+#if defined(__GNUC__)
+#define UNUSED __attribute__((unused))
+#else
+#define UNUSED
+#endif
+
+// only include this file from one place in your DLL.
+// (it is all static, if you use it in two places it will fail)
+
+typedef struct _stack_t
+{
+  struct _stack_t *next;
+  TCHAR text[1]; // this should be the length of string_size
+} stack_t;
+
+// Global variables (must be declared where you include this header)
+static unsigned int g_stringsize;
+static stack_t **g_stacktop;
+static TCHAR *g_variables;
+
+#define EXDLL_INIT()            \
+  {                             \
+    g_stringsize = string_size; \
+    g_stacktop = stacktop;      \
+    g_variables = variables;    \
+  }
+
+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 UNUSED popstring(TCHAR *str)
+{
+  stack_t *th;
+  if (!g_stacktop || !*g_stacktop)
+    return 1;
+  th = (*g_stacktop);
+  lstrcpyn(str, th->text, (int)g_stringsize);
+  *g_stacktop = th->next;
+  GlobalFree((HGLOBAL)th);
+  return 0;
+}
+
+static void UNUSED pushstring(const TCHAR *str)
+{
+  stack_t *th;
+  if (!g_stacktop)
+    return;
+  th = (stack_t *)GlobalAlloc(GPTR, (sizeof(stack_t) + (g_stringsize) * sizeof(TCHAR)));
+  lstrcpyn(th->text, str, (int)g_stringsize);
+  th->next = *g_stacktop;
+  *g_stacktop = th;
+}
+
+static TCHAR *UNUSED getuservariable(const int varnum)
+{
+  if (varnum < 0 || varnum >= __INST_LAST)
+    return NULL;
+  return g_variables + varnum * g_stringsize;
+}
+
+static void UNUSED setuservariable(const int varnum, const TCHAR *var)
+{
+  if (var != NULL && varnum >= 0 && varnum < __INST_LAST)
+    lstrcpy(g_variables + varnum * g_stringsize, var);
+}
+
+#endif //_EXDLL_H_