integrated stubs into 8.0 main branch

1 files changed, 102 insertions, 0 deletions

diff --git a/generic/tkStubLib.c b/generic/tkStubLib.c
new file mode 100644
index 0000000..85e5d99
--- /dev/null
+++ b/generic/tkStubLib.c
@@ -0,0 +1,102 @@
+/* 
+ * tkStubLib.c --
+ *
+ *	Stub object that will be statically linked into extensions that wish
+ *	to access Tk.
+ *
+ * Copyright (c) 1998 Paul Duffin.
+ * Copyright (c) 1998-1999 by Scriptics Corporation.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id: tkStubLib.c,v 1.2 1999/03/10 07:04:43 stanton Exp $
+ */
+
+/*
+ * We need to ensure that we use the stub macros so that this file contains
+ * no references to any of the stub functions.  This will make it possible
+ * to build an extension that references Tk_InitStubs but doesn't end up
+ * including the rest of the stub functions.
+ */
+
+
+#ifndef USE_TK_STUBS
+#define USE_TK_STUBS
+#endif
+#undef USE_TK_STUB_PROCS
+
+#include "tkInt.h"
+#include "tkPort.h"
+
+#ifdef __WIN32__
+#include "tkWinInt.h"
+#endif
+
+#include "tkDecls.h"
+#include "tkIntDecls.h"
+#include "tkPlatDecls.h"
+#include "tkIntPlatDecls.h"
+#include "tkIntXlibDecls.h"
+
+/*
+ * Ensure that Tk_InitStubs is built as an exported symbol.  The other stub
+ * functions should be built as non-exported symbols.
+ */
+
+#undef TCL_STORAGE_CLASS
+#define TCL_STORAGE_CLASS DLLEXPORT
+
+TkStubs *tkStubsPtr;
+TkPlatStubs *tkPlatStubsPtr;
+TkIntStubs *tkIntStubsPtr;
+TkIntPlatStubs *tkIntPlatStubsPtr;
+TkIntXlibStubs *tkIntXlibStubsPtr;
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_InitStubs --
+ *
+ *	Checks that the correct version of Tk is loaded and that it
+ *	supports stubs. It then initialises the stub table pointers.
+ *
+ * Results:
+ *	The actual version of Tk that satisfies the request, or
+ *	NULL to indicate that an error occurred.
+ *
+ * Side effects:
+ *	Sets the stub table pointers.
+ *
+ *----------------------------------------------------------------------
+ */
+
+char *
+Tk_InitStubs(interp, version, exact)
+    Tcl_Interp *interp;
+    char *version;
+    int exact;
+{
+    char *actualVersion;
+
+    actualVersion = Tcl_PkgRequireEx(interp, "Tk", version, exact,
+		(ClientData *) &tkStubsPtr);
+    if (!actualVersion) {
+	return NULL;
+    }
+
+    if (!tkStubsPtr) {
+	Tcl_SetResult(interp,
+		"This implementation of Tk does not support stubs",
+		TCL_STATIC);
+	return NULL;
+    }
+    
+    tkPlatStubsPtr = tkStubsPtr->hooks->tkPlatStubs;
+    tkIntStubsPtr = tkStubsPtr->hooks->tkIntStubs;
+    tkIntPlatStubsPtr = tkStubsPtr->hooks->tkIntPlatStubs;
+    tkIntXlibStubsPtr = tkStubsPtr->hooks->tkIntXlibStubs;
+    
+    return actualVersion;
+}