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#if defined USE_TCL_STUBS && defined USE_TK_STUBS
#include <tcl.h>
#include <tk.h>
#include "ruby.h"
#if defined _WIN32 || defined __CYGWIN__
# include <windows.h>
typedef HINSTANCE DL_HANDLE;
# define DL_OPEN LoadLibrary
# define DL_SYM GetProcAddress
# define TCL_INDEX 4
# define TK_INDEX 3
# define TCL_NAME "tcl89%s"
# define TK_NAME "tk89%s"
# undef DLEXT
# define DLEXT ".dll"
#elif defined HAVE_DLOPEN
# include <dlfcn.h>
typedef void *DL_HANDLE;
# define DL_OPEN(file) dlopen(file, RTLD_LAZY|RTLD_GLOBAL)
# define DL_SYM dlsym
# define TCL_INDEX 8
# define TK_INDEX 7
# define TCL_NAME "libtcl8.9%s"
# define TK_NAME "libtk8.9%s"
#endif
int
ruby_tcltk_stubs()
{
DL_HANDLE tcl_dll;
DL_HANDLE tk_dll;
Tcl_Interp *(*p_Tcl_CreateInterp)();
int (*p_Tk_Init) _((Tcl_Interp *));
Tcl_Interp *tcl_ip;
int n;
char *ruby_tcl_dll;
char *ruby_tk_dll;
char tcl_name[20];
char tk_name[20];
ruby_tcl_dll = getenv("RUBY_TCL_DLL");
ruby_tk_dll = getenv("RUBY_TK_DLL");
if (ruby_tcl_dll && ruby_tk_dll) {
tcl_dll = (DL_HANDLE)DL_OPEN(ruby_tcl_dll);
tk_dll = (DL_HANDLE)DL_OPEN(ruby_tk_dll);
} else {
snprintf(tcl_name, sizeof tcl_name, TCL_NAME, DLEXT);
snprintf(tk_name, sizeof tk_name, TK_NAME, DLEXT);
/* examine from 8.9 to 8.1 */
for (n = '9'; n > '0'; n--) {
tcl_name[TCL_INDEX] = n;
tk_name[TK_INDEX] = n;
tcl_dll = (DL_HANDLE)DL_OPEN(tcl_name);
tk_dll = (DL_HANDLE)DL_OPEN(tk_name);
if (tcl_dll && tk_dll)
break;
}
}
if (!tcl_dll || !tk_dll)
return -1;
p_Tcl_CreateInterp = (Tcl_Interp *(*)())DL_SYM(tcl_dll, "Tcl_CreateInterp");
if (!p_Tcl_CreateInterp)
return -2;
tcl_ip = (*p_Tcl_CreateInterp)();
if (!tcl_ip)
return -3;
p_Tk_Init = (int (*) _((Tcl_Interp *)))DL_SYM(tk_dll, "Tk_Init");
if (!p_Tk_Init)
return -4;
(*p_Tk_Init)(tcl_ip);
if (!Tcl_InitStubs(tcl_ip, "8.1", 0))
return -5;
if (!Tk_InitStubs(tcl_ip, "8.1", 0))
return -6;
Tcl_DeleteInterp(tcl_ip);
return 0;
}
#endif
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