diff options
Diffstat (limited to 'ext/tk/stubs.c')
-rw-r--r-- | ext/tk/stubs.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/ext/tk/stubs.c b/ext/tk/stubs.c new file mode 100644 index 0000000000..3913abb570 --- /dev/null +++ b/ext/tk/stubs.c @@ -0,0 +1,104 @@ +int ruby_tcltk_stubs(); + +#if defined USE_TCL_STUBS && defined USE_TK_STUBS +#include "ruby.h" + +#if defined _WIN32 || defined __CYGWIN__ +# include "util.h" +# 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 + +#include <tcl.h> +#include <tk.h> + +int +ruby_tcltk_stubs() +{ + DL_HANDLE tcl_dll; + DL_HANDLE tk_dll; + void (*p_Tcl_FindExecutable)(const char *); + Tcl_Interp *(*p_Tcl_CreateInterp)(); + int (*p_Tk_Init)(Tcl_Interp *); + Tcl_Interp *tcl_ip; + int n; + char *ruby_tcl_dll = 0; + char *ruby_tk_dll = 0; + char tcl_name[20]; + char tk_name[20]; + + ruby_tcl_dll = getenv("RUBY_TCL_DLL"); +#if defined _WIN32 + if (ruby_tcl_dll) ruby_tcl_dll = ruby_strdup(ruby_tcl_dll); +#endif + 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 defined _WIN32 + if (ruby_tcl_dll) ruby_xfree(ruby_tcl_dll); +#endif + + if (!tcl_dll || !tk_dll) + return -1; + + p_Tcl_FindExecutable = (void (*)(const char *))DL_SYM(tcl_dll, "Tcl_FindExecutable"); + if (!p_Tcl_FindExecutable) + return -7; + + p_Tcl_FindExecutable("ruby"); + + 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 |